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PRIVILEGED & CONFIDENTIAL — ATTORNEY WORK PRODUCT

This memorandum is protected by the attorney-client privilege and the work-product doctrine. It is prepared in anticipation of litigation and for the purpose of providing legal advice. It should not be disclosed to any person or entity outside the attorney-client relationship without the prior written consent of Calderwood & Harkness LLP and Vantage Mobility Systems Corp.

CALDERWOOD & HARKNESS LLP

INTERNAL MEMORANDUM

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I. Executive Summary

Calderwood & Harkness LLP ("C&H" or the "Firm") assumed the defense of Vantage Mobility Systems Corp. ("VMS" or the "Company") on January 15, 2025, succeeding prior counsel Hargrove Dunn LLP, which withdrew from the representation due to a conflict of interest. This memorandum is intended to bring Marcus Delgado, as the newly designated Responsible Partner, up to speed on the full posture of the case and to present our recommended defense strategy going forward.

The underlying action is a patent infringement suit brought by Pinnacle Innovations LLC ("Pinnacle"), a non-practicing entity, asserting United States Patent No. 9,847,312 B2 (the "'312 Patent") against VMS. The '312 Patent relates to a system and method for aggregated vehicle telemetry data transmission over cellular networks. Pinnacle alleges that VMS's DriveLink™ 4.0 Telematics Control Unit (hardware) and FleetPulse™ Cloud Platform (software), used in combination, infringe Independent Claims 1, 7, and 14 of the '312 Patent. The case is pending before the Honorable J. Rodney Gilstrap in the United States District Court for the Eastern District of Texas, marshall Division, Case No. 2:24-cv-00187-JRG.

The case has already progressed through claim construction. The Markman hearing was held on November 14, 2024, and the Court entered its Claim Construction Order on December 19, 2024. The results are mixed. The Court adopted constructions favorable to VMS on two of the three disputed claim terms — "adaptive interval" and "aggregated data packet" — both of which meaningfully narrow the scope of the asserted claims. However, the Court's construction of "network congestion metric" is ambiguous and broad enough to preserve a viable infringement theory for Pinnacle, particularly with respect to Claim 7. On balance, the Claim Construction Order strengthens VMS's defense position but does not eliminate infringement exposure.

Fact discovery is ongoing, with a close date of March 28, 2025 — approximately two months from the date of this memorandum. Expert reports are due May 30, 2025, and trial is currently set for October 6, 2025. The case is therefore approaching a critical juncture at which strategic decisions regarding dispositive motions, expert engagement, and potential settlement exploration must be made in the near term.

Key contacts for this engagement are as follows. On the client side, our primary contact is Rachel Nguyen, Vice President & Associate General Counsel of VMS. Additionally, David Mercer, a Partner at Ridgeline Capital Management, LLC, serves as the private equity sponsor's oversight contact; Ridgeline Capital Partners Fund IV, LP has been the majority equity holder of VMS since a 2019 recapitalization, and under VMS's Operating Agreement, Ridgeline board-designee approval is required for any single litigation expenditure or settlement exceeding $250,000. Our local counsel in the Eastern District of Texas is Sandra Caldwell of Caldwell Barrow LLP, located in Tyler, Texas. On the technical side, Dr. Franklin Yeoh of Greystone Technical Consulting LLC, based in Ann Arbor, Michigan, has been retained as our technical expert.

The purpose of this memorandum is threefold: (1) to provide a comprehensive overview of the case posture, including the parties, asserted patent, accused products, procedural history, and claim construction rulings; (2) to present our preliminary assessments of VMS's invalidity and non-infringement defenses; and (3) to recommend a defense strategy encompassing near-term priorities, medium-term strategic options, and budget considerations for discussion with the client team and the Ridgeline sponsor.

II. The Parties

A. Vantage Mobility Systems Corp. (Defendant)

Vantage Mobility Systems Corp. is a Delaware corporation headquartered at 4200 Innovation Drive, Auburn Hills, Michigan 48326. The Company's registered agent in Delaware is Capitol Registered Agents, Inc., located at 1209 Orange Street, Wilmington, Delaware 19801. VMS is an automotive technology and manufacturing company that specializes in connected-vehicle telematics hardware and fleet-management software platforms. The Company designs, manufactures, and sells aftermarket telematics control units that are installed in fleet vehicles, as well as a cloud-based software platform that aggregates and analyzes vehicle data transmitted by those units.

For fiscal year 2024, VMS reported approximate annual revenue of $218 million. The Company is a portfolio company of Ridgeline Capital Partners Fund IV, LP, which has been the majority equity holder since a recapitalization transaction completed in 2019. The general partner of the Ridgeline fund is Ridgeline Capital Management, LLC, a Delaware limited liability company with offices at 600 Lexington Avenue, 32nd Floor, New York, New York 10022. Under VMS's Operating Agreement, Section 7.04(c), the Ridgeline board-designee must approve any single litigation expenditure or settlement that exceeds $250,000. This governance provision has practical implications for VMS's decision-making authority in connection with this litigation, and we will need to remain mindful of the approval process when evaluating settlement options or authorizing significant expenditures.

B. Pinnacle Innovations LLC (Plaintiff)

Pinnacle Innovations LLC is a Texas limited liability company with its principal office at 2700 E. Commerce Street, Suite 140, Tyler, Texas 75702. Its registered agent is CT Filings of Texas, LLC, located at 1999 Bryan Street, Suite 900, Dallas, Texas 75201. Pinnacle is a non-practicing entity — it does not manufacture, sell, or distribute any products or services incorporating the patented technology. Rather, Pinnacle holds a portfolio of approximately 35 patents that it acquired from DataStream Automotive, Inc., a defunct telematics startup that was originally organized as an Illinois corporation and dissolved in 2021.

The managing member of Pinnacle is Grayson Holt. Based on information developed through discovery, Pinnacle's patent monetization activities are financed by Arcadia Litigation Finance, LP, a Delaware limited partnership that specializes in patent litigation funding. The involvement of third-party litigation financing is relevant to our strategic analysis, as it affects Pinnacle's settlement calculus, risk tolerance, and the economic dynamics of any negotiated resolution. Mr. Holt has been deposed in this action, and the details of Pinnacle's litigation-funding arrangement with Arcadia were explored during that deposition, although certain terms remain subject to assertions of confidentiality.

C. Opposing Counsel — Whitfield & Gaines PLLC

Pinnacle is represented by Whitfield & Gaines PLLC, a professional limited liability company based at 100 Independence Place, Suite 2800, Tyler, Texas 75702. The lead partner on the matter is Nolan Whitfield, and the working associate is Priya Madan. Based on information disclosed during discovery, Whitfield & Gaines is representing Pinnacle on a contingency-fee basis, with a reported fee arrangement of 35% of any recovery, plus costs. This contingency arrangement, combined with the Arcadia Litigation Finance backing, means that Pinnacle has limited out-of-pocket financial exposure in this case, which typically reduces the plaintiff's incentive to accept a low-value settlement.

D. Prior Defense Counsel — Hargrove Dunn LLP

VMS was previously represented in this action by Hargrove Dunn LLP, an Illinois-based law firm that handled the defense from the initial filing of the complaint through claim construction. Hargrove Dunn withdrew from the engagement due to a conflict of interest, the details of which are not material to the substance of this memorandum. The transition of the case file to Calderwood & Harkness became effective on January 15, 2025. Total fees billed by Hargrove Dunn over the course of its engagement were approximately $624,000; these fees are not within the scope of C&H's current engagement and are addressed separately under VMS's prior engagement letter with that firm. We have received a substantial transition file from Hargrove Dunn, including all pleadings, discovery materials, deposition transcripts, work product memoranda, and correspondence. Our review of the transition file is substantially complete, though certain technical materials relating to the accused products are still being catalogued and organized.

III. The Asserted Patent — U.S. Patent No. 9,847,312 B2

A. Patent Overview

The patent at the center of this dispute is United States Patent No. 9,847,312 B2, titled "System and Method for Aggregated Vehicle Telemetry Data Transmission Over Cellular Networks." The '312 Patent was issued on March 6, 2018, and carries an expiration date of September 12, 2035, calculated based on a twenty-year term measured from the provisional application priority date of September 12, 2015. There are no terminal disclaimers of record, and no patent term adjustments have been applied.

The named inventor of the '312 Patent is Dr. Alan Prescott, who served as the Chief Technology Officer of DataStream Automotive, Inc. The original assignee of the patent was DataStream Automotive, Inc., the now-dissolved Illinois corporation discussed above. Pinnacle Innovations LLC is the current assignee of record, having acquired the patent by way of an assignment that was recorded at the United States Patent and Trademark Office on August 14, 2023. A copy of the patent face page and the asserted claims is included as Attachment C to this memorandum.

B. Technology at Issue

The '312 Patent claims a system and method directed to the aggregation, compression, encryption, and transmission of vehicle telemetry data over cellular networks. Specifically, the patent describes a process by which OBD-II diagnostic data and GPS telemetry data are collected from multiple vehicle sensors, aggregated into data packets, compressed, encrypted, and then transmitted over a cellular data connection. The claimed innovation centers on the concept of "adaptive-interval" transmission — that is, the timing of data transmissions is dynamically adjusted based on network congestion metrics. According to the patent specification, this adaptive approach is designed to optimize bandwidth utilization and minimize data transmission failures in environments where cellular network load fluctuates.

The patent specification describes several embodiments, including one in which the telematics device monitors real-time cellular network parameters (such as signal strength, packet loss rates, and latency) and adjusts the interval between successive data transmissions accordingly. When network congestion is high, the device extends the transmission interval to avoid contributing to network overload; when congestion is low, the device shortens the interval to transmit data more frequently. The specification characterizes this as an improvement over prior art systems that transmitted data at fixed intervals regardless of network conditions.

C. Asserted Claims

Pinnacle asserts three independent claims of the '312 Patent: Claims 1, 7, and 14. No dependent claims are asserted.

Claim 1 is directed to the overall system and method for aggregated vehicle telemetry data transmission, encompassing the collection of data from multiple vehicle sensors, aggregation of that data into a unified data structure, and transmission of the aggregated data over a cellular network at adaptive intervals.

Claim 7 is directed specifically to the adaptive transmission interval feature, claiming a method in which transmission intervals are adjusted based on cellular network load metrics. This claim focuses on the mechanism by which the transmitting device modifies its transmission behavior in response to network congestion conditions.

Claim 14 is directed to the method steps for performing the aggregation, compression, encryption, and cellular transmission of vehicle telemetry data. This claim overlaps substantially with Claim 1 but is drafted as a method claim rather than a system claim and includes additional specificity regarding the compression and encryption steps.

The full text of each asserted claim is set forth in the copy of the patent included as Attachment C.

IV. Accused Products

A. VMS DriveLink™ 4.0 Telematics Control Unit (Hardware)

The DriveLink™ 4.0 is an aftermarket telematics control unit ("TCU") designed and manufactured by VMS for installation in fleet vehicles. The unit connects to the vehicle's OBD-II diagnostic port and CAN-bus interface to collect real-time data from multiple onboard sensors, including engine diagnostics, fuel consumption, tire pressure, and related vehicle health parameters. The DriveLink™ 4.0 also incorporates a GPS receiver for position tracking and a cellular modem (supporting LTE and 5G connectivity) for transmitting data to the cloud platform. The unit performs local data processing — including data aggregation, formatting, and batching — before transmitting data packets to the FleetPulse™ Cloud Platform for further analysis and presentation to fleet operators.

The DriveLink™ 4.0 is the fourth generation of VMS's DriveLink hardware product line. It was commercially launched in the first quarter of 2023 and has been widely deployed across VMS's customer base of commercial fleet operators. Pinnacle's infringement allegations are directed exclusively at the DriveLink™ 4.0 hardware; earlier generations of the DriveLink product are not accused in this action.

B. VMS FleetPulse™ Cloud Platform (Software)

The FleetPulse™ Cloud Platform is VMS's cloud-based fleet-management software. The platform receives aggregated vehicle telemetry data transmitted from DriveLink™ units deployed in the field, processes and stores that data, and provides fleet operators with real-time dashboards, configurable alerts, analytics, and reporting tools. The FleetPulse™ platform operates on a software-as-a-service ("SaaS") model, with fleet operators accessing the platform through web and mobile interfaces.

Relevant to the infringement analysis, the FleetPulse™ platform includes a configuration module through which fleet operators can set and adjust the transmission schedules for their DriveLink™ units. Specifically, operators can select among pre-configured transmission tiers (e.g., "High Frequency," "Standard," or "Low Bandwidth") that dictate how often the DriveLink™ unit transmits data to the cloud. These transmission schedules are set by the operator — not autonomously determined by the DriveLink™ hardware — and are pushed to the DriveLink™ units as configuration settings.

C. Infringement Allegations

Pinnacle alleges that the combination of the DriveLink™ 4.0 hardware and the FleetPulse™ Cloud Platform, operating together as an integrated system, practices the methods claimed in Claims 1, 7, and 14 of the '312 Patent. The core of Pinnacle's infringement theory rests on the assertion that the DriveLink™ 4.0 aggregates OBD-II diagnostic and GPS telemetry data from multiple vehicle sensors, compresses and encrypts the aggregated data, and transmits the data over cellular networks at intervals that are responsive to network conditions.

With respect to the "adaptive interval" limitation, Pinnacle's position is that the DriveLink™ 4.0's behavior — specifically, its use of connection-timeout retry logic and signal-strength monitoring (RSSI/RSRP readings) — constitutes an adaptation of transmission intervals in response to network conditions. VMS disputes this characterization, as the DriveLink™ 4.0's transmission schedules are set by the fleet operator through the FleetPulse™ configuration module and are not autonomously adjusted by the device in real time based on measured network congestion parameters. The connection-timeout retry logic and signal-strength monitoring relied upon by Pinnacle are, in VMS's view, standard error-handling and connectivity-management features that do not constitute "adaptive interval" transmission as that term is used in the patent claims and as construed by the Court.

V. Procedural History

A. Complaint

Pinnacle filed the original complaint on February 28, 2024, in the United States District Court for the Eastern District of Texas. The case was assigned to the Honorable J. Rodney Gilstrap and bears Case Number 2:24-cv-00187-JRG. The complaint alleges that VMS's DriveLink™ 4.0 hardware and FleetPulse™ Cloud Platform, used in combination, infringe Claims 1, 7, and 14 of the '312 Patent. Pinnacle seeks compensatory damages for past infringement, including reasonable royalties, enhanced damages for alleged willful infringement, permanent injunctive relief, pre-judgment and post-judgment interest, and attorneys' fees. A copy of the current docket sheet is included as Attachment B.

B. Answer and Counterclaims

VMS, then represented by Hargrove Dunn LLP, filed its Answer and Counterclaims on April 15, 2024. In its Answer, VMS denied infringement and asserted the following affirmative defenses: invalidity of the asserted claims under 35 U.S.C. § 102 (anticipation) and 35 U.S.C. § 103 (obviousness); non-infringement of all asserted claims, both literally and under the doctrine of equivalents; and inequitable conduct during prosecution of the '312 Patent. VMS also asserted counterclaims for declaratory judgment of non-infringement and invalidity. The counterclaims remain pending.

C. Discovery Proceedings

Fact discovery opened following the initial scheduling conference and has been ongoing throughout 2024. Both sides have engaged in substantial document production. The e-discovery process has been managed by Meridian Document Solutions LLC, a document review and e-discovery vendor located at 7600 Leesburg Pike, Suite 410, Falls Church, Virginia 22043. Meridian was engaged by Hargrove Dunn during the initial phases of discovery, and C&H has continued that engagement on behalf of VMS.

Multiple depositions have been taken in this matter. Key depositions of VMS engineering personnel were conducted in the summer and fall of 2024, covering the design and operation of the DriveLink™ 4.0 and FleetPulse™ platforms. The deposition of Pinnacle's managing member, Grayson Holt, was taken in October 2024 and addressed, among other topics, Pinnacle's acquisition of the '312 Patent from DataStream Automotive, its relationship with Arcadia Litigation Finance, and the basis for Pinnacle's infringement contentions.

The fact discovery close date is March 28, 2025, which is approximately two months from the date of this memorandum. C&H is currently evaluating the state of fact discovery to determine whether any additional depositions are needed before the close date and whether there are any outstanding document production obligations that must be fulfilled.

D. Markman Hearing and Claim Construction Order

The parties submitted competing claim construction briefs in September 2024, and the Court held the Markman hearing on November 14, 2024. The hearing addressed three disputed claim terms: "adaptive interval," "aggregated data packet," and "network congestion metric." On December 19, 2024, the Court entered its Claim Construction Order resolving each of these disputed terms. A copy of the Claim Construction Order is included as Attachment A to this memorandum, and a detailed analysis of each construction and its implications for VMS's defense is set forth in Section VI below.

E. Upcoming Deadlines

The following key deadlines remain in this case:

A comprehensive calendar of all remaining deadlines, including any intermediate deadlines for motions, pre-trial submissions, and other filings, is included as Attachment E.

VI. Claim Construction Order — Analysis of Disputed Terms

The Court's Claim Construction Order, entered on December 19, 2024, addressed three disputed claim terms. This section provides a detailed analysis of each construction and its significance for VMS's defense.

A. "Adaptive Interval" — Construed Favorably to VMS

The term "adaptive interval" appears in each of the three asserted independent claims and is central to the '312 Patent's claimed innovation. The parties offered sharply divergent proposed constructions.

Pinnacle's proposed construction: Any interval between data transmissions that changes over time for any reason. Under this broad reading, any system in which the time between successive data transmissions is not rigidly fixed at a single interval — including systems in which an operator manually changes a setting, or in which basic error-handling logic causes a retry delay — would satisfy the "adaptive interval" limitation.

VMS's proposed construction: An interval between data transmissions that is dynamically adjusted in real time by the transmitting device based on specific measured network parameters. This narrower construction would require the transmitting device itself to autonomously measure network conditions and modify its transmission schedule in response, without human intervention, and in real time.

Court's construction: The Court adopted a construction closely aligned with VMS's proposal, defining "adaptive interval" as requiring "real-time dynamic adjustment by the transmitting device in response to measured network performance parameters." The Court rejected Pinnacle's attempt to expand the term to encompass operator-configured changes or any incidental variation in transmission timing. The Court found that the specification consistently described the adaptive-interval feature as an autonomous, device-level function triggered by real-time network feedback, and that Pinnacle's proposed construction would render the term meaningless by encompassing systems with no adaptive capability whatsoever.

Significance for VMS's defense: This construction is highly favorable to VMS. The DriveLink™ 4.0 uses pre-configured, tiered transmission schedules that are set by the fleet operator through the FleetPulse™ dashboard. The device does not autonomously adjust its transmission intervals in real time based on measured network parameters. While the DriveLink™ 4.0 does incorporate standard error-handling features — such as connection-timeout retry logic — these features do not constitute the kind of "real-time dynamic adjustment" required by the Court's construction. Under this construction, VMS has a strong argument that its system does not practice the "adaptive interval" element of Claims 1 and 14. This construction significantly bolsters the non-infringement position for those claims.

B. "Aggregated Data Packet" — Construed Favorably to VMS

The term "aggregated data packet" appears in Claims 1 and 14 and describes the data structure that is transmitted over the cellular network.

Pinnacle's proposed construction: Any collection of data from one or more sensors bundled for transmission. This broad construction would cover virtually any device that transmits data from any sensor, regardless of whether the data is meaningfully aggregated from multiple distinct sources.

VMS's proposed construction: A compilation of data from at least two distinct categories of vehicle sensors (e.g., OBD-II diagnostic data and GPS telemetry) into a single unified data structure prior to transmission. This construction requires both multiplicity of sensor categories and structural unification into a single data object.

Court's construction: The Court adopted VMS's proposed construction, finding that the patent specification consistently describes the "aggregated data packet" as a unified data structure that draws from at least two distinct categories of vehicle sensors. The Court noted that the specification's detailed description of the aggregation process emphasized the combination of heterogeneous data types — specifically, diagnostic data and positioning data — into a single structured packet, and that the prosecution history supported a construction requiring this multi-category aggregation.

Significance for VMS's defense: While the DriveLink™ 4.0 does aggregate OBD-II diagnostic data and GPS telemetry data — and therefore likely satisfies this element — the specificity of the Court's construction around "unified data structure" provides two potential benefits. First, it narrows the overall claim scope in a manner that strengthens VMS's invalidity contentions by making it easier to identify prior art that discloses the full scope of the asserted claims. Second, it provides a potential basis for design-around arguments if VMS were to modify the DriveLink™ architecture in the future to transmit data from different sensor categories in separate, non-unified packets. As an immediate matter, however, this construction standing alone does not provide a strong non-infringement argument for VMS's current DriveLink™ 4.0 product as currently configured.

C. "Network Congestion Metric" — Ambiguous Construction

The term "network congestion metric" appears in Claim 7 and relates to the basis on which the adaptive transmission interval is adjusted. This is the most problematic of the three construed terms from VMS's perspective.

Pinnacle's proposed construction: Any indicator, measurement, or proxy relating to cellular network load or throughput. Under this reading, any piece of information that is even tangentially related to the state of the cellular network — including raw signal-strength readings — would qualify as a "network congestion metric."

VMS's proposed construction: A quantitative measurement of real-time cellular network congestion derived from standardized network-layer protocol feedback. This construction would limit the term to formal, standardized metrics — such as those defined by 3GPP standards for LTE and 5G networks — that directly measure congestion at the network layer, as opposed to physical-layer indicators like signal strength.

Court's construction: The Court adopted a middle-ground construction, defining the term as "a quantitative or qualitative measurement of cellular network congestion or load derived from information available to the transmitting device." This construction is notably broader than VMS's proposal in two respects. First, it encompasses both quantitative and qualitative measurements, thereby including non-numerical indicators. Second, it does not require that the metric be derived from standardized network-layer protocol feedback; rather, any "information available to the transmitting device" that relates to network congestion or load may qualify.

Significance for VMS's defense: This construction is broad enough to allow Pinnacle to argue that the DriveLink™ 4.0's use of signal-strength indicators (RSSI and RSRP readings) and connection-timeout retry logic constitutes a "network congestion metric" within the meaning of Claim 7. Signal strength readings are available to the DriveLink™ 4.0's cellular modem, and while they are technically physical-layer measurements rather than network-layer congestion metrics, the Court's construction does not draw that distinction. Similarly, connection timeouts can be characterized as qualitative indicators that the network is congested or overloaded. This is the primary remaining vector for infringement exposure, particularly for Claim 7, and represents the most significant area of litigation risk in the case.

The ambiguity in this construction means that both sides have colorable arguments, which creates uncertainty that cannot be fully resolved without expert testimony and, potentially, a jury verdict. This uncertainty must be weighed carefully in any settlement analysis.

D. Net Assessment of Claim Construction

Taking the three constructions together, the Claim Construction Order is, on balance, favorable to VMS. Two of the three disputed terms were construed in a manner that supports VMS's non-infringement and invalidity positions. The "adaptive interval" construction, in particular, provides a strong basis for arguing that VMS's DriveLink™ 4.0 does not practice a key element of Claims 1 and 14. However, the broad construction of "network congestion metric" preserves meaningful infringement risk, particularly for Claim 7, which focuses on adaptive intervals based on network load. The net effect is that the Claim Construction Order strengthens VMS's overall defense position but does not eliminate infringement exposure, and the case remains one in which the outcome at trial is uncertain.

VII. Invalidity Contentions — Preliminary Assessment

A. Prior Art Overview

C&H has retained Dr. Franklin Yeoh of Greystone Technical Consulting LLC, based in Ann Arbor, Michigan, as our technical expert for this matter. Dr. Yeoh has significant expertise in automotive telematics systems and cellular communications protocols and has served as a technical expert in multiple patent infringement cases in this technology space. Dr. Yeoh has begun his analysis of the '312 Patent and potential prior art references, and he has provided preliminary assessments of two principal prior art references that were identified during the Hargrove Dunn engagement and confirmed through his independent review. We emphasize that this is an initial assessment; the full invalidity analysis and expert report have not yet been prepared and will need to be completed in advance of the May 30, 2025 expert report deadline.

B. Tanaka et al. — U.S. Patent No. 8,214,097

United States Patent No. 8,214,097, issued on July 3, 2012, to Tanaka et al. (the "Tanaka reference"), is the most promising prior art reference identified to date. Tanaka was issued well before the '312 Patent's September 12, 2015 priority date and therefore qualifies as prior art under 35 U.S.C. § 102.

Tanaka discloses a system for collecting OBD-II telemetry data from multiple vehicle sensors, aggregating that data into a structured data packet, and transmitting the aggregated data over a cellular network to a remote server for fleet-management purposes. The system described in Tanaka bears substantial similarity to the system claimed in the '312 Patent, particularly with respect to Claims 1 and 14, which are directed to the aggregation and transmission of vehicle telemetry data.

Dr. Yeoh's preliminary assessment is that Tanaka presents a strong anticipation argument under 35 U.S.C. § 102 with respect to Claims 1 and 14 of the '312 Patent. However, Dr. Yeoh has noted a potential weakness in the Tanaka reference: Tanaka does not clearly disclose the "adaptive interval" limitation as construed by the Court. The system in Tanaka transmits data at fixed intervals or at operator-set intervals, and there is no disclosure of real-time dynamic adjustment of transmission intervals in response to measured network performance parameters. Accordingly, while Tanaka may anticipate significant portions of Claims 1 and 14, it may not alone be sufficient to invalidate those claims in their entirety without supplementation by an additional reference that addresses the adaptive-interval element.

C. Morales — PCT Application WO 2014/036281

PCT Application WO 2014/036281, published on March 13, 2014, authored by Morales (the "Morales reference"), describes a method for adaptive transmission scheduling in wireless communication systems. The Morales reference is directed to a system in which a wireless device adjusts its data transmission intervals based on cellular network load-balancing algorithms. The publication date of March 13, 2014 is prior to the '312 Patent's priority date and qualifies the reference as prior art.

Dr. Yeoh's preliminary assessment is that Morales is most useful as an obviousness reference under 35 U.S.C. § 103, particularly when combined with Tanaka. The theory is straightforward: Tanaka supplies the telemetry aggregation and cellular transmission framework (addressing the structural and data-handling elements of Claims 1 and 14), while Morales supplies the adaptive-interval concept based on network conditions (addressing the key limitation that Tanaka lacks). The combination of these two references presents a strong obviousness argument for Claim 7, which is specifically directed to adaptive transmission intervals based on cellular network load metrics. The combination also supplements the anticipation case for Claims 1 and 14 by filling the gap in Tanaka's disclosure regarding adaptive intervals.

Dr. Yeoh has prepared draft claim charts mapping the elements of Claims 1, 7, and 14 to the disclosures in Tanaka and Morales. These draft claim charts are included as Attachment D. They remain preliminary and will be refined as Dr. Yeoh completes his full invalidity analysis.

D. Preliminary Probability Estimates

Based on his initial review, Dr. Yeoh estimates the probability of invalidating at least one of the three asserted independent claims at trial at approximately 65–70%. This estimate takes into account the strength of the Tanaka anticipation argument for Claims 1 and 14, the strength of the Tanaka-Morales combination for Claim 7, and the inherent uncertainties of patent trial proceedings in the Eastern District of Texas. Dr. Yeoh has cautioned that this estimate is preliminary and subject to revision as his analysis deepens and as additional prior art references may be identified.

A more detailed claim-by-claim invalidity analysis and probability assessment will be needed before the expert report deadline. We recommend that Dr. Yeoh be engaged on an accelerated timeline to complete this work, as the results will inform both our expert report strategy and our settlement analysis.

VIII. Non-Infringement Position — Preliminary Assessment

A. Strengths

VMS's non-infringement position has been materially strengthened by the Court's Claim Construction Order, particularly with respect to two of the three disputed terms.

First, the Court's construction of "adaptive interval" — requiring real-time dynamic adjustment by the transmitting device in response to measured network performance parameters — strongly favors a finding of non-infringement for Claims 1 and 14. As detailed above, the DriveLink™ 4.0 uses pre-configured, tiered transmission schedules that are selected by fleet operators through the FleetPulse™ configuration dashboard and pushed to the DriveLink™ units as static configuration settings. The device does not autonomously measure network parameters and dynamically adjust its transmission intervals in real time. While the device incorporates standard error-handling features (connection-timeout retry logic) and monitors signal strength (RSSI/RSRP) for connectivity management purposes, these features are fundamentally different from the kind of autonomous, adaptive interval adjustment described in the '312 Patent and required by the Court's construction.

Second, the Court's construction of "aggregated data packet" — requiring data from at least two distinct sensor categories compiled into a unified data structure — narrows the claim scope in a way that limits Pinnacle's ability to argue that any data transmission from the DriveLink™ satisfies this element. While the DriveLink™ 4.0 does in fact aggregate OBD-II and GPS data, the specificity of the construction provides support for design-around arguments and constrains the scope of the infringement theory.

B. Weaknesses

Despite these favorable constructions, VMS's non-infringement position is not without vulnerabilities.

The most significant weakness is the Court's broad construction of "network congestion metric." As discussed in Section VI.C above, the construction encompasses "a quantitative or qualitative measurement of cellular network congestion or load derived from information available to the transmitting device." This construction is broad enough to allow Pinnacle to argue that the DriveLink™ 4.0's use of RSSI (Received Signal Strength Indicator) and RSRP (Reference Signal Received Power) readings, as well as its connection-timeout retry logic, constitutes the use of a "network congestion metric" within the meaning of the asserted claims. While VMS can argue that signal-strength readings are physical-layer indicators that do not measure network congestion, and that connection timeouts are standard error-handling mechanisms rather than congestion metrics, these arguments are factual in nature and may ultimately turn on expert testimony and jury interpretation.

Claim 7 is the most vulnerable of the three asserted claims. Claim 7's focus on adaptive intervals based on network congestion allows Pinnacle to leverage both the broad "network congestion metric" construction and the argument that the DriveLink™ 4.0's connectivity-management features (RSSI/RSRP monitoring, retry logic) effectively result in transmission behavior that varies in response to network conditions. While the "adaptive interval" construction requires real-time dynamic adjustment by the device, the interplay between the two construed terms creates an ambiguous zone in which Pinnacle can argue that the DriveLink™ 4.0's automatic retry behavior — where the device delays retransmission when a connection attempt fails due to poor signal or network unavailability — constitutes a real-time adjustment based on a network congestion metric.

Additionally, the role of the FleetPulse™ Cloud Platform in setting transmission parameters introduces a potential theory of indirect infringement. Even if the DriveLink™ 4.0 hardware alone does not literally practice every element of the asserted claims, Pinnacle could argue that VMS induces infringement or contributes to infringement through the FleetPulse™ platform's role in configuring and managing the DriveLink™ units. This theory was not prominently featured in Pinnacle's initial complaint but could be developed further as the case progresses.

C. Preliminary Probability Estimate

Taking into account the favorable "adaptive interval" and "aggregated data packet" constructions, as well as the litigation risk presented by the "network congestion metric" construction and the Claim 7 vulnerability, we estimate the probability of VMS prevailing on non-infringement at trial to be approximately 55–60%. This assessment is preliminary and will be refined as fact discovery concludes, as Dr. Yeoh completes his technical analysis of the accused products, and as the expert report phase unfolds. We note that the non-infringement probability estimate is independent of the invalidity probability estimate; taken together, VMS's combined probability of prevailing at trial on at least one defense theory is meaningfully higher than either estimate in isolation.

IX. Insurance Coverage Status

VMS holds a Commercial General Liability ("CGL") insurance policy with Northbridge Specialty Insurance Company, Policy Number NSI-CGL-2024-08821. The policy includes a sublimit for intellectual property infringement defense, as follows:

VMS tendered the claim to Northbridge for coverage under the IP infringement sublimit. As of the date of this memorandum (January 22, 2025), the coverage tender has been submitted but formal confirmation of coverage has not yet been received. Based on our review of the policy language and communications with the Northbridge claims department, we expect coverage confirmation to be forthcoming in the coming weeks, though Northbridge's acceptance of coverage is expected to be subject to a reservation of rights.

It is important to note the structure of the coverage. Defense costs are borne by VMS outside the policy sublimit; Northbridge's obligation under the policy is limited to indemnity for any covered loss. This means that C&H's legal fees and litigation expenses are not reimbursable under the Northbridge policy. However, any settlement payment or judgment entered against VMS would be subject to the following allocation: VMS would be responsible for the first $75,000 (the self-insured retention), and Northbridge would indemnify VMS for any amount above the SIR up to the $500,000 per-occurrence sublimit. Any liability exceeding $575,000 ($75,000 SIR plus $500,000 sublimit) in a single occurrence would be borne by VMS.

Finalizing the coverage position with Northbridge is identified as a near-term priority in our defense strategy recommendations below. We will follow up directly with Ms. Whitcomb to secure formal confirmation and to clarify the scope of Northbridge's reservation of rights.

X. Defense Strategy Recommendations

Based on our review of the case file, the Claim Construction Order, the preliminary invalidity and non-infringement assessments, and the overall litigation posture, we recommend the following defense strategy.

A. Near-Term Priorities (January–March 2025)

The following actions should be undertaken immediately and completed within the next sixty days:

1. Complete Transition File Review. C&H will finalize its review of all files transitioned from Hargrove Dunn LLP, including all technical materials, work product memoranda, and correspondence. While the review is substantially complete, certain technical documents relating to the DriveLink™ 4.0 architecture and the FleetPulse™ platform are still being catalogued. We anticipate completing this review by February 7, 2025.

2. Local Counsel Coordination. We will coordinate with local counsel Sandra Caldwell at Caldwell Barrow LLP in Tyler, Texas, on any outstanding local-rule compliance matters, including ensuring that all filings, notices, and appearances are up to date following the transition from Hargrove Dunn. We will also discuss with Ms. Caldwell any local practice considerations that may affect motion practice or trial preparation in the Eastern District of Texas.

3. Expert Engagement — Invalidity Claim Charts. We will engage Dr. Franklin Yeoh at Greystone Technical Consulting LLC to prepare detailed claim charts and invalidity contentions based on the Tanaka and Morales prior art references. Dr. Yeoh has already provided preliminary assessments (summarized in Section VII above) and draft claim charts (Attachment D), but a comprehensive invalidity analysis will be needed well in advance of the May 30, 2025 expert report deadline. We recommend targeting completion of the full claim chart analysis by March 31, 2025, to allow adequate time for expert report preparation.

4. Fact discovery Completion. We will assess the current state of fact discovery and determine whether any additional depositions or document requests are needed before the March 28, 2025 close date. In particular, we will evaluate whether additional depositions of Pinnacle personnel or DataStream Automotive former employees are warranted to develop the invalidity and inequitable conduct defenses.

5. E-discovery Vendor Coordination. We will coordinate with Meridian Document Solutions LLC on any outstanding document production obligations and ensure that VMS's production is complete and defensible before the fact discovery close date.

6. Insurance Coverage Confirmation. We will follow up with Northbridge Specialty Insurance Company (Claims Adjuster Tanya Whitcomb) to secure formal confirmation of coverage under the IP infringement defense sublimit and to clarify the scope of any reservation of rights.

B. Medium-Term Strategic Options

Looking beyond the near-term priorities, we recommend evaluating the following strategic options:

1. Settlement Exploration. Given the characteristics of this case — a non-practicing entity plaintiff, a litigation-funding structure (Arcadia Litigation Finance, LP), and a contingency-fee arrangement with opposing counsel (35% of recovery plus costs) — a negotiated settlement may be economically rational under certain conditions. The cost-to-trial for the remaining phases of this litigation is estimated at $2.8 million to $3.4 million in additional fees and expenses (see Section X.C below), exclusive of the approximately $624,000 already incurred with prior counsel. We recommend developing a preliminary settlement analysis, incorporating our invalidity and non-infringement probability estimates, the estimated cost-to-trial, the available insurance coverage, and Pinnacle's likely settlement expectations, for discussion with the client once our assessments are further refined. Any settlement exploration should account for the fact that Pinnacle's litigation funder (Arcadia) will likely have consent rights over any settlement and will expect a return on its investment, which may set a floor on Pinnacle's settlement demands. We also note that any settlement above $250,000 will require Ridgeline board-designee approval under VMS Operating Agreement § 7.04(c).

2. Expert discovery Preparation. If the case proceeds through expert discovery, we will need to prepare Dr. Yeoh's expert reports on both invalidity and non-infringement for the May 30, 2025 deadline. This will require close coordination between C&H and Dr. Yeoh over the March–May 2025 period. We should also begin identifying and evaluating potential rebuttal experts, if needed, and assessing whether a damages expert should be retained to counter Pinnacle's damages theory.

3. Dispositive Motion Practice. We recommend evaluating whether a motion for summary judgment on non-infringement is viable based on the Court's favorable construction of "adaptive interval." The argument that the DriveLink™ 4.0 does not practice the "adaptive interval" element as construed by the Court is strong and may be suitable for summary judgment resolution. However, the timing of any such motion must align with the Court's scheduling order, and we note that Judge Gilstrap's practice in patent cases tends to favor full trial proceedings rather than early dispositive motions. We will assess the motion's prospects and timing after completing the transition file review and consulting with local counsel.

4. Ridgeline Coordination. We recommend scheduling an update call with David Mercer at Ridgeline Capital Management to apprise him of the current litigation posture and the recommended defense strategy. As the majority equity holder's representative, Mr. Mercer should be kept informed of material developments, particularly given the governance requirements of VMS Operating Agreement § 7.04(c) regarding litigation expenditures and settlements exceeding $250,000.

C. Budget Considerations

The estimated cost-to-trial for this case, assuming full litigation through trial, is $2.8 million to $3.4 million in additional fees and expenses beyond costs already incurred. This estimate encompasses fact discovery completion, expert engagement and report preparation, summary judgment and other motion practice, pre-trial preparation, and trial. The estimate is necessarily subject to significant variability depending on the course of the litigation, including the number of remaining depositions, the scope of expert discovery, the extent of motion practice, and whether the case proceeds to a full jury trial.

For context, prior counsel Hargrove Dunn LLP billed total fees of approximately $624,000 for its representation of VMS from the filing of the complaint through claim construction. When combined with the estimated cost-to-trial under C&H's engagement, the total all-in litigation cost for VMS could reach approximately $3.4 million to $4.0 million — a figure that underscores the importance of conducting an early and rigorous cost-benefit analysis for any settlement discussions.

C&H's current engagement with VMS operates under a blended hourly rate cap of $625 per hour, applied on a monthly basis. VMS has placed a $50,000 evergreen retainer on deposit with the Firm, which will be applied to invoices on a rolling basis and replenished as needed.

XI. Open Items and Action Items

The following open items and action items require attention in the near term:

• Transition File Review: Complete the review and cataloguing of all technical and case materials transitioned from Hargrove Dunn LLP. Target completion: February 7, 2025.

• Client Introduction Call: Schedule an introductory call between Marcus Delgado and Rachel Nguyen (VP & Associate General Counsel, VMS) to discuss the overall defense strategy and establish working protocols. This call should be scheduled within the next two weeks.

• Expert Engagement Scope: Confirm the scope and timeline of Dr. Yeoh's engagement at Greystone Technical Consulting LLC for preparation of detailed claim charts and invalidity contentions. Target completion of claim chart analysis: March 31, 2025.

• Insurance Coverage Follow-Up: Follow up with Tanya Whitcomb at Northbridge Specialty Insurance Company to secure formal confirmation of coverage and clarify the reservation of rights. Target: by February 15, 2025.

• Deadline Calendaring: Calendar all remaining deadlines in the Firm's docketing system, including: fact discovery close (March 28, 2025); expert report deadline (May 30, 2025); and trial date (October 6, 2025). See Attachment E for a comprehensive deadlines calendar.

• discovery Assessment: Assess whether any protective order modifications or supplemental discovery requests are needed before the March 28, 2025 fact discovery close date.

• Settlement Analysis Preparation: Prepare a preliminary settlement analysis for discussion with Rachel Nguyen and David Mercer once the invalidity and non-infringement assessments are further matured. This analysis should incorporate cost-to-trial estimates, probability assessments, insurance coverage implications, and an evaluation of Pinnacle's likely settlement expectations in light of its litigation-funding and contingency-fee arrangements.

XII. Conclusion

Calderwood & Harkness LLP is now fully engaged as defense counsel for Vantage Mobility Systems Corp. in this matter. We have reviewed the key litigation files transferred from Hargrove Dunn LLP, assessed the current case posture, and developed preliminary assessments of VMS's invalidity and non-infringement defenses.

The overall case posture is favorable but not without risk. Two of the three disputed claim terms were construed by the Court in a manner favorable to VMS, and the "adaptive interval" construction in particular provides a strong non-infringement argument for Claims 1 and 14. However, the ambiguous construction of "network congestion metric" preserves meaningful infringement exposure, particularly for Claim 7, and the interplay between the construed terms creates an area of uncertainty that cannot be fully resolved without expert testimony and, potentially, a jury verdict.

Our preliminary probability assessments are encouraging. Dr. Yeoh estimates a 65–70% probability of invalidating at least one asserted independent claim at trial based on the Tanaka and Morales prior art references, and our overall assessment of the probability of prevailing on non-infringement post-Markman is 55–60%. However, the cost-to-trial is significant — estimated at $2.8 million to $3.4 million in additional fees and expenses — and the cumulative cost of the litigation, including prior counsel's fees, could reach $3.4 million to $4.0 million.

In light of these factors, we recommend pursuing a dual-track strategy: (1) prepare aggressively for trial by completing fact discovery, engaging Dr. Yeoh to finalize invalidity contentions and expert reports, evaluating the viability of dispositive motion practice, and building the strongest possible defense case; and (2) concurrently explore the possibility of a cost-effective settlement resolution, informed by a rigorous cost-benefit analysis that incorporates our probability assessments, estimated cost-to-trial, available insurance coverage, and the practical dynamics of Pinnacle's litigation-funding and contingency-fee arrangements.

We request Marcus Delgado's guidance on the prioritization of these strategic tracks and authorization to proceed with the recommended near-term action items outlined in Section XI above. We are prepared to schedule a strategy discussion at Marcus's earliest convenience.

ATTACHMENTS

Attachment A: Claim Construction Order, dated December 19, 2024, Pinnacle Innovations LLC v. Vantage Mobility Systems Corp., No. 2:24-cv-00187-JRG (E.D. Tex.)

Attachment B: Docket Sheet, Pinnacle Innovations LLC v. Vantage Mobility Systems Corp., No. 2:24-cv-00187-JRG (current as of January 22, 2025)

Attachment C: Copy of U.S. Patent No. 9,847,312 B2 (face page and asserted claims)

Attachment D: Preliminary Claim Charts (Tanaka and Morales references), prepared by Dr. Franklin Yeoh, Greystone Technical Consulting LLC (draft)

Attachment E: Key Deadlines Calendar

PRIVILEGED & CONFIDENTIAL — ATTORNEY WORK PRODUCT. This memorandum constitutes attorney work product prepared in anticipation of litigation and is protected from disclosure by the work-product doctrine and the attorney-client privilege. Distribution is limited to authorized personnel of Calderwood & Harkness LLP and Vantage Mobility Systems Corp. Unauthorized disclosure, copying, or distribution is strictly prohibited.

Date:	January 22, 2025
To:	Marcus Delgado, Responsible Partner, intellectual Property
From:	Omar Siddiqui, Lead Associate, intellectual Property (Houston); Christy Bauer, Working Associate, intellectual Property (Detroit)
Re:	Litigation Status Memorandum — Pinnacle Innovations LLC v. Vantage Mobility Systems Corp., No. 2:24-cv-00187-JRG (E.D. Tex.)
Client:	Vantage Mobility Systems Corp.
Matter No.:	1007-00003
Deadline	Date
Fact discovery close	March 28, 2025
Expert report deadline	May 30, 2025
Trial date	October 6, 2025
Coverage Parameter	Amount / Detail
IP Infringement Defense sublimit — per occurrence	$500,000
IP Infringement Defense sublimit — aggregate	$1,000,000
Self-insured retention (SIR)	$75,000
Claims Adjuster	Tanya Whitcomb, Northbridge Specialty Insurance Company

PRIVILEGED & CONFIDENTIAL — ATTORNEY WORK PRODUCT
This memorandum is protected by the attorney-client privilege and the work-product doctrine. It is prepared in anticipation of litigation and for the purpose of providing legal advice. It should not be disclosed to any person or entity outside the attorney-client relationship without the prior written consent of Calderwood & Harkness LLP and Vantage Mobility Systems Corp.
CALDERWOOD & HARKNESS LLP
INTERNAL MEMORANDUM
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I. Executive Summary
Calderwood & Harkness LLP ("C&H" or the "Firm") assumed the defense of Vantage Mobility Systems Corp. ("VMS" or the "Company") on January 15, 2025, succeeding prior counsel Hargrove Dunn LLP, which withdrew from the representation due to a conflict of interest. This memorandum is intended to bring Marcus Delgado, as the newly designated Responsible Partner, up to speed on the full posture of the case and to present our recommended defense strategy going forward.
The underlying action is a patent infringement suit brought by Pinnacle Innovations LLC ("Pinnacle"), a non-practicing entity, asserting United States Patent No. 9,847,312 B2 (the "'312 Patent") against VMS. The '312 Patent relates to a system and method for aggregated vehicle telemetry data transmission over cellular networks. Pinnacle alleges that VMS's DriveLink™ 4.0 Telematics Control Unit (hardware) and FleetPulse™ Cloud Platform (software), used in combination, infringe Independent Claims 1, 7, and 14 of the '312 Patent. The case is pending before the Honorable J. Rodney Gilstrap in the United States District Court for the Eastern District of Texas, marshall Division, Case No. 2:24-cv-00187-JRG.
The case has already progressed through claim construction. The Markman hearing was held on November 14, 2024, and the Court entered its Claim Construction Order on December 19, 2024. The results are mixed. The Court adopted constructions favorable to VMS on two of the three disputed claim terms — "adaptive interval" and "aggregated data packet" — both of which meaningfully narrow the scope of the asserted claims. However, the Court's construction of "network congestion metric" is ambiguous and broad enough to preserve a viable infringement theory for Pinnacle, particularly with respect to Claim 7. On balance, the Claim Construction Order strengthens VMS's defense position but does not eliminate infringement exposure.
Fact discovery is ongoing, with a close date of March 28, 2025 — approximately two months from the date of this memorandum. Expert reports are due May 30, 2025, and trial is currently set for October 6, 2025. The case is therefore approaching a critical juncture at which strategic decisions regarding dispositive motions, expert engagement, and potential settlement exploration must be made in the near term.
Key contacts for this engagement are as follows. On the client side, our primary contact is Rachel Nguyen, Vice President & Associate General Counsel of VMS. Additionally, David Mercer, a Partner at Ridgeline Capital Management, LLC, serves as the private equity sponsor's oversight contact; Ridgeline Capital Partners Fund IV, LP has been the majority equity holder of VMS since a 2019 recapitalization, and under VMS's Operating Agreement, Ridgeline board-designee approval is required for any single litigation expenditure or settlement exceeding $250,000. Our local counsel in the Eastern District of Texas is Sandra Caldwell of Caldwell Barrow LLP, located in Tyler, Texas. On the technical side, Dr. Franklin Yeoh of Greystone Technical Consulting LLC, based in Ann Arbor, Michigan, has been retained as our technical expert.
The purpose of this memorandum is threefold: (1) to provide a comprehensive overview of the case posture, including the parties, asserted patent, accused products, procedural history, and claim construction rulings; (2) to present our preliminary assessments of VMS's invalidity and non-infringement defenses; and (3) to recommend a defense strategy encompassing near-term priorities, medium-term strategic options, and budget considerations for discussion with the client team and the Ridgeline sponsor.
II. The Parties
A. Vantage Mobility Systems Corp. (Defendant)
Vantage Mobility Systems Corp. is a Delaware corporation headquartered at 4200 Innovation Drive, Auburn Hills, Michigan 48326. The Company's registered agent in Delaware is Capitol Registered Agents, Inc., located at 1209 Orange Street, Wilmington, Delaware 19801. VMS is an automotive technology and manufacturing company that specializes in connected-vehicle telematics hardware and fleet-management software platforms. The Company designs, manufactures, and sells aftermarket telematics control units that are installed in fleet vehicles, as well as a cloud-based software platform that aggregates and analyzes vehicle data transmitted by those units.
For fiscal year 2024, VMS reported approximate annual revenue of $218 million. The Company is a portfolio company of Ridgeline Capital Partners Fund IV, LP, which has been the majority equity holder since a recapitalization transaction completed in 2019. The general partner of the Ridgeline fund is Ridgeline Capital Management, LLC, a Delaware limited liability company with offices at 600 Lexington Avenue, 32nd Floor, New York, New York 10022. Under VMS's Operating Agreement, Section 7.04(c), the Ridgeline board-designee must approve any single litigation expenditure or settlement that exceeds $250,000. This governance provision has practical implications for VMS's decision-making authority in connection with this litigation, and we will need to remain mindful of the approval process when evaluating settlement options or authorizing significant expenditures.
B. Pinnacle Innovations LLC (Plaintiff)
Pinnacle Innovations LLC is a Texas limited liability company with its principal office at 2700 E. Commerce Street, Suite 140, Tyler, Texas 75702. Its registered agent is CT Filings of Texas, LLC, located at 1999 Bryan Street, Suite 900, Dallas, Texas 75201. Pinnacle is a non-practicing entity — it does not manufacture, sell, or distribute any products or services incorporating the patented technology. Rather, Pinnacle holds a portfolio of approximately 35 patents that it acquired from DataStream Automotive, Inc., a defunct telematics startup that was originally organized as an Illinois corporation and dissolved in 2021.
The managing member of Pinnacle is Grayson Holt. Based on information developed through discovery, Pinnacle's patent monetization activities are financed by Arcadia Litigation Finance, LP, a Delaware limited partnership that specializes in patent litigation funding. The involvement of third-party litigation financing is relevant to our strategic analysis, as it affects Pinnacle's settlement calculus, risk tolerance, and the economic dynamics of any negotiated resolution. Mr. Holt has been deposed in this action, and the details of Pinnacle's litigation-funding arrangement with Arcadia were explored during that deposition, although certain terms remain subject to assertions of confidentiality.
C. Opposing Counsel — Whitfield & Gaines PLLC
Pinnacle is represented by Whitfield & Gaines PLLC, a professional limited liability company based at 100 Independence Place, Suite 2800, Tyler, Texas 75702. The lead partner on the matter is Nolan Whitfield, and the working associate is Priya Madan. Based on information disclosed during discovery, Whitfield & Gaines is representing Pinnacle on a contingency-fee basis, with a reported fee arrangement of 35% of any recovery, plus costs. This contingency arrangement, combined with the Arcadia Litigation Finance backing, means that Pinnacle has limited out-of-pocket financial exposure in this case, which typically reduces the plaintiff's incentive to accept a low-value settlement.
D. Prior Defense Counsel — Hargrove Dunn LLP
VMS was previously represented in this action by Hargrove Dunn LLP, an Illinois-based law firm that handled the defense from the initial filing of the complaint through claim construction. Hargrove Dunn withdrew from the engagement due to a conflict of interest, the details of which are not material to the substance of this memorandum. The transition of the case file to Calderwood & Harkness became effective on January 15, 2025. Total fees billed by Hargrove Dunn over the course of its engagement were approximately $624,000; these fees are not within the scope of C&H's current engagement and are addressed separately under VMS's prior engagement letter with that firm. We have received a substantial transition file from Hargrove Dunn, including all pleadings, discovery materials, deposition transcripts, work product memoranda, and correspondence. Our review of the transition file is substantially complete, though certain technical materials relating to the accused products are still being catalogued and organized.
III. The Asserted Patent — U.S. Patent No. 9,847,312 B2
A. Patent Overview
The patent at the center of this dispute is United States Patent No. 9,847,312 B2, titled "System and Method for Aggregated Vehicle Telemetry Data Transmission Over Cellular Networks." The '312 Patent was issued on March 6, 2018, and carries an expiration date of September 12, 2035, calculated based on a twenty-year term measured from the provisional application priority date of September 12, 2015. There are no terminal disclaimers of record, and no patent term adjustments have been applied.
The named inventor of the '312 Patent is Dr. Alan Prescott, who served as the Chief Technology Officer of DataStream Automotive, Inc. The original assignee of the patent was DataStream Automotive, Inc., the now-dissolved Illinois corporation discussed above. Pinnacle Innovations LLC is the current assignee of record, having acquired the patent by way of an assignment that was recorded at the United States Patent and Trademark Office on August 14, 2023. A copy of the patent face page and the asserted claims is included as Attachment C to this memorandum.
B. Technology at Issue
The '312 Patent claims a system and method directed to the aggregation, compression, encryption, and transmission of vehicle telemetry data over cellular networks. Specifically, the patent describes a process by which OBD-II diagnostic data and GPS telemetry data are collected from multiple vehicle sensors, aggregated into data packets, compressed, encrypted, and then transmitted over a cellular data connection. The claimed innovation centers on the concept of "adaptive-interval" transmission — that is, the timing of data transmissions is dynamically adjusted based on network congestion metrics. According to the patent specification, this adaptive approach is designed to optimize bandwidth utilization and minimize data transmission failures in environments where cellular network load fluctuates.
The patent specification describes several embodiments, including one in which the telematics device monitors real-time cellular network parameters (such as signal strength, packet loss rates, and latency) and adjusts the interval between successive data transmissions accordingly. When network congestion is high, the device extends the transmission interval to avoid contributing to network overload; when congestion is low, the device shortens the interval to transmit data more frequently. The specification characterizes this as an improvement over prior art systems that transmitted data at fixed intervals regardless of network conditions.
C. Asserted Claims
Pinnacle asserts three independent claims of the '312 Patent: Claims 1, 7, and 14. No dependent claims are asserted.
Claim 1 is directed to the overall system and method for aggregated vehicle telemetry data transmission, encompassing the collection of data from multiple vehicle sensors, aggregation of that data into a unified data structure, and transmission of the aggregated data over a cellular network at adaptive intervals.
Claim 7 is directed specifically to the adaptive transmission interval feature, claiming a method in which transmission intervals are adjusted based on cellular network load metrics. This claim focuses on the mechanism by which the transmitting device modifies its transmission behavior in response to network congestion conditions.
Claim 14 is directed to the method steps for performing the aggregation, compression, encryption, and cellular transmission of vehicle telemetry data. This claim overlaps substantially with Claim 1 but is drafted as a method claim rather than a system claim and includes additional specificity regarding the compression and encryption steps.
The full text of each asserted claim is set forth in the copy of the patent included as Attachment C.
IV. Accused Products
A. VMS DriveLink™ 4.0 Telematics Control Unit (Hardware)
The DriveLink™ 4.0 is an aftermarket telematics control unit ("TCU") designed and manufactured by VMS for installation in fleet vehicles. The unit connects to the vehicle's OBD-II diagnostic port and CAN-bus interface to collect real-time data from multiple onboard sensors, including engine diagnostics, fuel consumption, tire pressure, and related vehicle health parameters. The DriveLink™ 4.0 also incorporates a GPS receiver for position tracking and a cellular modem (supporting LTE and 5G connectivity) for transmitting data to the cloud platform. The unit performs local data processing — including data aggregation, formatting, and batching — before transmitting data packets to the FleetPulse™ Cloud Platform for further analysis and presentation to fleet operators.
The DriveLink™ 4.0 is the fourth generation of VMS's DriveLink hardware product line. It was commercially launched in the first quarter of 2023 and has been widely deployed across VMS's customer base of commercial fleet operators. Pinnacle's infringement allegations are directed exclusively at the DriveLink™ 4.0 hardware; earlier generations of the DriveLink product are not accused in this action.
B. VMS FleetPulse™ Cloud Platform (Software)
The FleetPulse™ Cloud Platform is VMS's cloud-based fleet-management software. The platform receives aggregated vehicle telemetry data transmitted from DriveLink™ units deployed in the field, processes and stores that data, and provides fleet operators with real-time dashboards, configurable alerts, analytics, and reporting tools. The FleetPulse™ platform operates on a software-as-a-service ("SaaS") model, with fleet operators accessing the platform through web and mobile interfaces.
Relevant to the infringement analysis, the FleetPulse™ platform includes a configuration module through which fleet operators can set and adjust the transmission schedules for their DriveLink™ units. Specifically, operators can select among pre-configured transmission tiers (e.g., "High Frequency," "Standard," or "Low Bandwidth") that dictate how often the DriveLink™ unit transmits data to the cloud. These transmission schedules are set by the operator — not autonomously determined by the DriveLink™ hardware — and are pushed to the DriveLink™ units as configuration settings.
C. Infringement Allegations
Pinnacle alleges that the combination of the DriveLink™ 4.0 hardware and the FleetPulse™ Cloud Platform, operating together as an integrated system, practices the methods claimed in Claims 1, 7, and 14 of the '312 Patent. The core of Pinnacle's infringement theory rests on the assertion that the DriveLink™ 4.0 aggregates OBD-II diagnostic and GPS telemetry data from multiple vehicle sensors, compresses and encrypts the aggregated data, and transmits the data over cellular networks at intervals that are responsive to network conditions.
With respect to the "adaptive interval" limitation, Pinnacle's position is that the DriveLink™ 4.0's behavior — specifically, its use of connection-timeout retry logic and signal-strength monitoring (RSSI/RSRP readings) — constitutes an adaptation of transmission intervals in response to network conditions. VMS disputes this characterization, as the DriveLink™ 4.0's transmission schedules are set by the fleet operator through the FleetPulse™ configuration module and are not autonomously adjusted by the device in real time based on measured network congestion parameters. The connection-timeout retry logic and signal-strength monitoring relied upon by Pinnacle are, in VMS's view, standard error-handling and connectivity-management features that do not constitute "adaptive interval" transmission as that term is used in the patent claims and as construed by the Court.
V. Procedural History
A. Complaint
Pinnacle filed the original complaint on February 28, 2024, in the United States District Court for the Eastern District of Texas. The case was assigned to the Honorable J. Rodney Gilstrap and bears Case Number 2:24-cv-00187-JRG. The complaint alleges that VMS's DriveLink™ 4.0 hardware and FleetPulse™ Cloud Platform, used in combination, infringe Claims 1, 7, and 14 of the '312 Patent. Pinnacle seeks compensatory damages for past infringement, including reasonable royalties, enhanced damages for alleged willful infringement, permanent injunctive relief, pre-judgment and post-judgment interest, and attorneys' fees. A copy of the current docket sheet is included as Attachment B.
B. Answer and Counterclaims
VMS, then represented by Hargrove Dunn LLP, filed its Answer and Counterclaims on April 15, 2024. In its Answer, VMS denied infringement and asserted the following affirmative defenses: invalidity of the asserted claims under 35 U.S.C. § 102 (anticipation) and 35 U.S.C. § 103 (obviousness); non-infringement of all asserted claims, both literally and under the doctrine of equivalents; and inequitable conduct during prosecution of the '312 Patent. VMS also asserted counterclaims for declaratory judgment of non-infringement and invalidity. The counterclaims remain pending.
C. Discovery Proceedings
Fact discovery opened following the initial scheduling conference and has been ongoing throughout 2024. Both sides have engaged in substantial document production. The e-discovery process has been managed by Meridian Document Solutions LLC, a document review and e-discovery vendor located at 7600 Leesburg Pike, Suite 410, Falls Church, Virginia 22043. Meridian was engaged by Hargrove Dunn during the initial phases of discovery, and C&H has continued that engagement on behalf of VMS.
Multiple depositions have been taken in this matter. Key depositions of VMS engineering personnel were conducted in the summer and fall of 2024, covering the design and operation of the DriveLink™ 4.0 and FleetPulse™ platforms. The deposition of Pinnacle's managing member, Grayson Holt, was taken in October 2024 and addressed, among other topics, Pinnacle's acquisition of the '312 Patent from DataStream Automotive, its relationship with Arcadia Litigation Finance, and the basis for Pinnacle's infringement contentions.
The fact discovery close date is March 28, 2025, which is approximately two months from the date of this memorandum. C&H is currently evaluating the state of fact discovery to determine whether any additional depositions are needed before the close date and whether there are any outstanding document production obligations that must be fulfilled.
D. Markman Hearing and Claim Construction Order
The parties submitted competing claim construction briefs in September 2024, and the Court held the Markman hearing on November 14, 2024. The hearing addressed three disputed claim terms: "adaptive interval," "aggregated data packet," and "network congestion metric." On December 19, 2024, the Court entered its Claim Construction Order resolving each of these disputed terms. A copy of the Claim Construction Order is included as Attachment A to this memorandum, and a detailed analysis of each construction and its implications for VMS's defense is set forth in Section VI below.
E. Upcoming Deadlines
The following key deadlines remain in this case:
A comprehensive calendar of all remaining deadlines, including any intermediate deadlines for motions, pre-trial submissions, and other filings, is included as Attachment E.
VI. Claim Construction Order — Analysis of Disputed Terms
The Court's Claim Construction Order, entered on December 19, 2024, addressed three disputed claim terms. This section provides a detailed analysis of each construction and its significance for VMS's defense.
A. "Adaptive Interval" — Construed Favorably to VMS
The term "adaptive interval" appears in each of the three asserted independent claims and is central to the '312 Patent's claimed innovation. The parties offered sharply divergent proposed constructions.
Pinnacle's proposed construction: Any interval between data transmissions that changes over time for any reason. Under this broad reading, any system in which the time between successive data transmissions is not rigidly fixed at a single interval — including systems in which an operator manually changes a setting, or in which basic error-handling logic causes a retry delay — would satisfy the "adaptive interval" limitation.
VMS's proposed construction: An interval between data transmissions that is dynamically adjusted in real time by the transmitting device based on specific measured network parameters. This narrower construction would require the transmitting device itself to autonomously measure network conditions and modify its transmission schedule in response, without human intervention, and in real time.
Court's construction: The Court adopted a construction closely aligned with VMS's proposal, defining "adaptive interval" as requiring "real-time dynamic adjustment by the transmitting device in response to measured network performance parameters." The Court rejected Pinnacle's attempt to expand the term to encompass operator-configured changes or any incidental variation in transmission timing. The Court found that the specification consistently described the adaptive-interval feature as an autonomous, device-level function triggered by real-time network feedback, and that Pinnacle's proposed construction would render the term meaningless by encompassing systems with no adaptive capability whatsoever.
Significance for VMS's defense: This construction is highly favorable to VMS. The DriveLink™ 4.0 uses pre-configured, tiered transmission schedules that are set by the fleet operator through the FleetPulse™ dashboard. The device does not autonomously adjust its transmission intervals in real time based on measured network parameters. While the DriveLink™ 4.0 does incorporate standard error-handling features — such as connection-timeout retry logic — these features do not constitute the kind of "real-time dynamic adjustment" required by the Court's construction. Under this construction, VMS has a strong argument that its system does not practice the "adaptive interval" element of Claims 1 and 14. This construction significantly bolsters the non-infringement position for those claims.
B. "Aggregated Data Packet" — Construed Favorably to VMS
The term "aggregated data packet" appears in Claims 1 and 14 and describes the data structure that is transmitted over the cellular network.
Pinnacle's proposed construction: Any collection of data from one or more sensors bundled for transmission. This broad construction would cover virtually any device that transmits data from any sensor, regardless of whether the data is meaningfully aggregated from multiple distinct sources.
VMS's proposed construction: A compilation of data from at least two distinct categories of vehicle sensors (e.g., OBD-II diagnostic data and GPS telemetry) into a single unified data structure prior to transmission. This construction requires both multiplicity of sensor categories and structural unification into a single data object.
Court's construction: The Court adopted VMS's proposed construction, finding that the patent specification consistently describes the "aggregated data packet" as a unified data structure that draws from at least two distinct categories of vehicle sensors. The Court noted that the specification's detailed description of the aggregation process emphasized the combination of heterogeneous data types — specifically, diagnostic data and positioning data — into a single structured packet, and that the prosecution history supported a construction requiring this multi-category aggregation.
Significance for VMS's defense: While the DriveLink™ 4.0 does aggregate OBD-II diagnostic data and GPS telemetry data — and therefore likely satisfies this element — the specificity of the Court's construction around "unified data structure" provides two potential benefits. First, it narrows the overall claim scope in a manner that strengthens VMS's invalidity contentions by making it easier to identify prior art that discloses the full scope of the asserted claims. Second, it provides a potential basis for design-around arguments if VMS were to modify the DriveLink™ architecture in the future to transmit data from different sensor categories in separate, non-unified packets. As an immediate matter, however, this construction standing alone does not provide a strong non-infringement argument for VMS's current DriveLink™ 4.0 product as currently configured.
C. "Network Congestion Metric" — Ambiguous Construction
The term "network congestion metric" appears in Claim 7 and relates to the basis on which the adaptive transmission interval is adjusted. This is the most problematic of the three construed terms from VMS's perspective.
Pinnacle's proposed construction: Any indicator, measurement, or proxy relating to cellular network load or throughput. Under this reading, any piece of information that is even tangentially related to the state of the cellular network — including raw signal-strength readings — would qualify as a "network congestion metric."
VMS's proposed construction: A quantitative measurement of real-time cellular network congestion derived from standardized network-layer protocol feedback. This construction would limit the term to formal, standardized metrics — such as those defined by 3GPP standards for LTE and 5G networks — that directly measure congestion at the network layer, as opposed to physical-layer indicators like signal strength.
Court's construction: The Court adopted a middle-ground construction, defining the term as "a quantitative or qualitative measurement of cellular network congestion or load derived from information available to the transmitting device." This construction is notably broader than VMS's proposal in two respects. First, it encompasses both quantitative and qualitative measurements, thereby including non-numerical indicators. Second, it does not require that the metric be derived from standardized network-layer protocol feedback; rather, any "information available to the transmitting device" that relates to network congestion or load may qualify.
Significance for VMS's defense: This construction is broad enough to allow Pinnacle to argue that the DriveLink™ 4.0's use of signal-strength indicators (RSSI and RSRP readings) and connection-timeout retry logic constitutes a "network congestion metric" within the meaning of Claim 7. Signal strength readings are available to the DriveLink™ 4.0's cellular modem, and while they are technically physical-layer measurements rather than network-layer congestion metrics, the Court's construction does not draw that distinction. Similarly, connection timeouts can be characterized as qualitative indicators that the network is congested or overloaded. This is the primary remaining vector for infringement exposure, particularly for Claim 7, and represents the most significant area of litigation risk in the case.
The ambiguity in this construction means that both sides have colorable arguments, which creates uncertainty that cannot be fully resolved without expert testimony and, potentially, a jury verdict. This uncertainty must be weighed carefully in any settlement analysis.
D. Net Assessment of Claim Construction
Taking the three constructions together, the Claim Construction Order is, on balance, favorable to VMS. Two of the three disputed terms were construed in a manner that supports VMS's non-infringement and invalidity positions. The "adaptive interval" construction, in particular, provides a strong basis for arguing that VMS's DriveLink™ 4.0 does not practice a key element of Claims 1 and 14. However, the broad construction of "network congestion metric" preserves meaningful infringement risk, particularly for Claim 7, which focuses on adaptive intervals based on network load. The net effect is that the Claim Construction Order strengthens VMS's overall defense position but does not eliminate infringement exposure, and the case remains one in which the outcome at trial is uncertain.
VII. Invalidity Contentions — Preliminary Assessment
A. Prior Art Overview
C&H has retained Dr. Franklin Yeoh of Greystone Technical Consulting LLC, based in Ann Arbor, Michigan, as our technical expert for this matter. Dr. Yeoh has significant expertise in automotive telematics systems and cellular communications protocols and has served as a technical expert in multiple patent infringement cases in this technology space. Dr. Yeoh has begun his analysis of the '312 Patent and potential prior art references, and he has provided preliminary assessments of two principal prior art references that were identified during the Hargrove Dunn engagement and confirmed through his independent review. We emphasize that this is an initial assessment; the full invalidity analysis and expert report have not yet been prepared and will need to be completed in advance of the May 30, 2025 expert report deadline.
B. Tanaka et al. — U.S. Patent No. 8,214,097
United States Patent No. 8,214,097, issued on July 3, 2012, to Tanaka et al. (the "Tanaka reference"), is the most promising prior art reference identified to date. Tanaka was issued well before the '312 Patent's September 12, 2015 priority date and therefore qualifies as prior art under 35 U.S.C. § 102.
Tanaka discloses a system for collecting OBD-II telemetry data from multiple vehicle sensors, aggregating that data into a structured data packet, and transmitting the aggregated data over a cellular network to a remote server for fleet-management purposes. The system described in Tanaka bears substantial similarity to the system claimed in the '312 Patent, particularly with respect to Claims 1 and 14, which are directed to the aggregation and transmission of vehicle telemetry data.
Dr. Yeoh's preliminary assessment is that Tanaka presents a strong anticipation argument under 35 U.S.C. § 102 with respect to Claims 1 and 14 of the '312 Patent. However, Dr. Yeoh has noted a potential weakness in the Tanaka reference: Tanaka does not clearly disclose the "adaptive interval" limitation as construed by the Court. The system in Tanaka transmits data at fixed intervals or at operator-set intervals, and there is no disclosure of real-time dynamic adjustment of transmission intervals in response to measured network performance parameters. Accordingly, while Tanaka may anticipate significant portions of Claims 1 and 14, it may not alone be sufficient to invalidate those claims in their entirety without supplementation by an additional reference that addresses the adaptive-interval element.
C. Morales — PCT Application WO 2014/036281
PCT Application WO 2014/036281, published on March 13, 2014, authored by Morales (the "Morales reference"), describes a method for adaptive transmission scheduling in wireless communication systems. The Morales reference is directed to a system in which a wireless device adjusts its data transmission intervals based on cellular network load-balancing algorithms. The publication date of March 13, 2014 is prior to the '312 Patent's priority date and qualifies the reference as prior art.
Dr. Yeoh's preliminary assessment is that Morales is most useful as an obviousness reference under 35 U.S.C. § 103, particularly when combined with Tanaka. The theory is straightforward: Tanaka supplies the telemetry aggregation and cellular transmission framework (addressing the structural and data-handling elements of Claims 1 and 14), while Morales supplies the adaptive-interval concept based on network conditions (addressing the key limitation that Tanaka lacks). The combination of these two references presents a strong obviousness argument for Claim 7, which is specifically directed to adaptive transmission intervals based on cellular network load metrics. The combination also supplements the anticipation case for Claims 1 and 14 by filling the gap in Tanaka's disclosure regarding adaptive intervals.
Dr. Yeoh has prepared draft claim charts mapping the elements of Claims 1, 7, and 14 to the disclosures in Tanaka and Morales. These draft claim charts are included as Attachment D. They remain preliminary and will be refined as Dr. Yeoh completes his full invalidity analysis.
D. Preliminary Probability Estimates
Based on his initial review, Dr. Yeoh estimates the probability of invalidating at least one of the three asserted independent claims at trial at approximately 65–70%. This estimate takes into account the strength of the Tanaka anticipation argument for Claims 1 and 14, the strength of the Tanaka-Morales combination for Claim 7, and the inherent uncertainties of patent trial proceedings in the Eastern District of Texas. Dr. Yeoh has cautioned that this estimate is preliminary and subject to revision as his analysis deepens and as additional prior art references may be identified.
A more detailed claim-by-claim invalidity analysis and probability assessment will be needed before the expert report deadline. We recommend that Dr. Yeoh be engaged on an accelerated timeline to complete this work, as the results will inform both our expert report strategy and our settlement analysis.
VIII. Non-Infringement Position — Preliminary Assessment
A. Strengths
VMS's non-infringement position has been materially strengthened by the Court's Claim Construction Order, particularly with respect to two of the three disputed terms.
First, the Court's construction of "adaptive interval" — requiring real-time dynamic adjustment by the transmitting device in response to measured network performance parameters — strongly favors a finding of non-infringement for Claims 1 and 14. As detailed above, the DriveLink™ 4.0 uses pre-configured, tiered transmission schedules that are selected by fleet operators through the FleetPulse™ configuration dashboard and pushed to the DriveLink™ units as static configuration settings. The device does not autonomously measure network parameters and dynamically adjust its transmission intervals in real time. While the device incorporates standard error-handling features (connection-timeout retry logic) and monitors signal strength (RSSI/RSRP) for connectivity management purposes, these features are fundamentally different from the kind of autonomous, adaptive interval adjustment described in the '312 Patent and required by the Court's construction.
Second, the Court's construction of "aggregated data packet" — requiring data from at least two distinct sensor categories compiled into a unified data structure — narrows the claim scope in a way that limits Pinnacle's ability to argue that any data transmission from the DriveLink™ satisfies this element. While the DriveLink™ 4.0 does in fact aggregate OBD-II and GPS data, the specificity of the construction provides support for design-around arguments and constrains the scope of the infringement theory.
B. Weaknesses
Despite these favorable constructions, VMS's non-infringement position is not without vulnerabilities.
The most significant weakness is the Court's broad construction of "network congestion metric." As discussed in Section VI.C above, the construction encompasses "a quantitative or qualitative measurement of cellular network congestion or load derived from information available to the transmitting device." This construction is broad enough to allow Pinnacle to argue that the DriveLink™ 4.0's use of RSSI (Received Signal Strength Indicator) and RSRP (Reference Signal Received Power) readings, as well as its connection-timeout retry logic, constitutes the use of a "network congestion metric" within the meaning of the asserted claims. While VMS can argue that signal-strength readings are physical-layer indicators that do not measure network congestion, and that connection timeouts are standard error-handling mechanisms rather than congestion metrics, these arguments are factual in nature and may ultimately turn on expert testimony and jury interpretation.
Claim 7 is the most vulnerable of the three asserted claims. Claim 7's focus on adaptive intervals based on network congestion allows Pinnacle to leverage both the broad "network congestion metric" construction and the argument that the DriveLink™ 4.0's connectivity-management features (RSSI/RSRP monitoring, retry logic) effectively result in transmission behavior that varies in response to network conditions. While the "adaptive interval" construction requires real-time dynamic adjustment by the device, the interplay between the two construed terms creates an ambiguous zone in which Pinnacle can argue that the DriveLink™ 4.0's automatic retry behavior — where the device delays retransmission when a connection attempt fails due to poor signal or network unavailability — constitutes a real-time adjustment based on a network congestion metric.
Additionally, the role of the FleetPulse™ Cloud Platform in setting transmission parameters introduces a potential theory of indirect infringement. Even if the DriveLink™ 4.0 hardware alone does not literally practice every element of the asserted claims, Pinnacle could argue that VMS induces infringement or contributes to infringement through the FleetPulse™ platform's role in configuring and managing the DriveLink™ units. This theory was not prominently featured in Pinnacle's initial complaint but could be developed further as the case progresses.
C. Preliminary Probability Estimate
Taking into account the favorable "adaptive interval" and "aggregated data packet" constructions, as well as the litigation risk presented by the "network congestion metric" construction and the Claim 7 vulnerability, we estimate the probability of VMS prevailing on non-infringement at trial to be approximately 55–60%. This assessment is preliminary and will be refined as fact discovery concludes, as Dr. Yeoh completes his technical analysis of the accused products, and as the expert report phase unfolds. We note that the non-infringement probability estimate is independent of the invalidity probability estimate; taken together, VMS's combined probability of prevailing at trial on at least one defense theory is meaningfully higher than either estimate in isolation.
IX. Insurance Coverage Status
VMS holds a Commercial General Liability ("CGL") insurance policy with Northbridge Specialty Insurance Company, Policy Number NSI-CGL-2024-08821. The policy includes a sublimit for intellectual property infringement defense, as follows:
VMS tendered the claim to Northbridge for coverage under the IP infringement sublimit. As of the date of this memorandum (January 22, 2025), the coverage tender has been submitted but formal confirmation of coverage has not yet been received. Based on our review of the policy language and communications with the Northbridge claims department, we expect coverage confirmation to be forthcoming in the coming weeks, though Northbridge's acceptance of coverage is expected to be subject to a reservation of rights.
It is important to note the structure of the coverage. Defense costs are borne by VMS outside the policy sublimit; Northbridge's obligation under the policy is limited to indemnity for any covered loss. This means that C&H's legal fees and litigation expenses are not reimbursable under the Northbridge policy. However, any settlement payment or judgment entered against VMS would be subject to the following allocation: VMS would be responsible for the first $75,000 (the self-insured retention), and Northbridge would indemnify VMS for any amount above the SIR up to the $500,000 per-occurrence sublimit. Any liability exceeding $575,000 ($75,000 SIR plus $500,000 sublimit) in a single occurrence would be borne by VMS.
Finalizing the coverage position with Northbridge is identified as a near-term priority in our defense strategy recommendations below. We will follow up directly with Ms. Whitcomb to secure formal confirmation and to clarify the scope of Northbridge's reservation of rights.
X. Defense Strategy Recommendations
Based on our review of the case file, the Claim Construction Order, the preliminary invalidity and non-infringement assessments, and the overall litigation posture, we recommend the following defense strategy.
A. Near-Term Priorities (January–March 2025)
The following actions should be undertaken immediately and completed within the next sixty days:
1.  Complete Transition File Review. C&H will finalize its review of all files transitioned from Hargrove Dunn LLP, including all technical materials, work product memoranda, and correspondence. While the review is substantially complete, certain technical documents relating to the DriveLink™ 4.0 architecture and the FleetPulse™ platform are still being catalogued. We anticipate completing this review by February 7, 2025.
2.  Local Counsel Coordination. We will coordinate with local counsel Sandra Caldwell at Caldwell Barrow LLP in Tyler, Texas, on any outstanding local-rule compliance matters, including ensuring that all filings, notices, and appearances are up to date following the transition from Hargrove Dunn. We will also discuss with Ms. Caldwell any local practice considerations that may affect motion practice or trial preparation in the Eastern District of Texas.
3.  Expert Engagement — Invalidity Claim Charts. We will engage Dr. Franklin Yeoh at Greystone Technical Consulting LLC to prepare detailed claim charts and invalidity contentions based on the Tanaka and Morales prior art references. Dr. Yeoh has already provided preliminary assessments (summarized in Section VII above) and draft claim charts (Attachment D), but a comprehensive invalidity analysis will be needed well in advance of the May 30, 2025 expert report deadline. We recommend targeting completion of the full claim chart analysis by March 31, 2025, to allow adequate time for expert report preparation.
4.  Fact discovery Completion. We will assess the current state of fact discovery and determine whether any additional depositions or document requests are needed before the March 28, 2025 close date. In particular, we will evaluate whether additional depositions of Pinnacle personnel or DataStream Automotive former employees are warranted to develop the invalidity and inequitable conduct defenses.
5.  E-discovery Vendor Coordination. We will coordinate with Meridian Document Solutions LLC on any outstanding document production obligations and ensure that VMS's production is complete and defensible before the fact discovery close date.
6.  Insurance Coverage Confirmation. We will follow up with Northbridge Specialty Insurance Company (Claims Adjuster Tanya Whitcomb) to secure formal confirmation of coverage under the IP infringement defense sublimit and to clarify the scope of any reservation of rights.
B. Medium-Term Strategic Options
Looking beyond the near-term priorities, we recommend evaluating the following strategic options:
1.  Settlement Exploration. Given the characteristics of this case — a non-practicing entity plaintiff, a litigation-funding structure (Arcadia Litigation Finance, LP), and a contingency-fee arrangement with opposing counsel (35% of recovery plus costs) — a negotiated settlement may be economically rational under certain conditions. The cost-to-trial for the remaining phases of this litigation is estimated at $2.8 million to $3.4 million in additional fees and expenses (see Section X.C below), exclusive of the approximately $624,000 already incurred with prior counsel. We recommend developing a preliminary settlement analysis, incorporating our invalidity and non-infringement probability estimates, the estimated cost-to-trial, the available insurance coverage, and Pinnacle's likely settlement expectations, for discussion with the client once our assessments are further refined. Any settlement exploration should account for the fact that Pinnacle's litigation funder (Arcadia) will likely have consent rights over any settlement and will expect a return on its investment, which may set a floor on Pinnacle's settlement demands. We also note that any settlement above $250,000 will require Ridgeline board-designee approval under VMS Operating Agreement § 7.04(c).
2.  Expert discovery Preparation. If the case proceeds through expert discovery, we will need to prepare Dr. Yeoh's expert reports on both invalidity and non-infringement for the May 30, 2025 deadline. This will require close coordination between C&H and Dr. Yeoh over the March–May 2025 period. We should also begin identifying and evaluating potential rebuttal experts, if needed, and assessing whether a damages expert should be retained to counter Pinnacle's damages theory.
3.  Dispositive Motion Practice. We recommend evaluating whether a motion for summary judgment on non-infringement is viable based on the Court's favorable construction of "adaptive interval." The argument that the DriveLink™ 4.0 does not practice the "adaptive interval" element as construed by the Court is strong and may be suitable for summary judgment resolution. However, the timing of any such motion must align with the Court's scheduling order, and we note that Judge Gilstrap's practice in patent cases tends to favor full trial proceedings rather than early dispositive motions. We will assess the motion's prospects and timing after completing the transition file review and consulting with local counsel.
4.  Ridgeline Coordination. We recommend scheduling an update call with David Mercer at Ridgeline Capital Management to apprise him of the current litigation posture and the recommended defense strategy. As the majority equity holder's representative, Mr. Mercer should be kept informed of material developments, particularly given the governance requirements of VMS Operating Agreement § 7.04(c) regarding litigation expenditures and settlements exceeding $250,000.
C. Budget Considerations
The estimated cost-to-trial for this case, assuming full litigation through trial, is $2.8 million to $3.4 million in additional fees and expenses beyond costs already incurred. This estimate encompasses fact discovery completion, expert engagement and report preparation, summary judgment and other motion practice, pre-trial preparation, and trial. The estimate is necessarily subject to significant variability depending on the course of the litigation, including the number of remaining depositions, the scope of expert discovery, the extent of motion practice, and whether the case proceeds to a full jury trial.
For context, prior counsel Hargrove Dunn LLP billed total fees of approximately $624,000 for its representation of VMS from the filing of the complaint through claim construction. When combined with the estimated cost-to-trial under C&H's engagement, the total all-in litigation cost for VMS could reach approximately $3.4 million to $4.0 million — a figure that underscores the importance of conducting an early and rigorous cost-benefit analysis for any settlement discussions.
C&H's current engagement with VMS operates under a blended hourly rate cap of $625 per hour, applied on a monthly basis. VMS has placed a $50,000 evergreen retainer on deposit with the Firm, which will be applied to invoices on a rolling basis and replenished as needed.
XI. Open Items and Action Items
The following open items and action items require attention in the near term:
•  Transition File Review: Complete the review and cataloguing of all technical and case materials transitioned from Hargrove Dunn LLP. Target completion: February 7, 2025.
•  Client Introduction Call: Schedule an introductory call between Marcus Delgado and Rachel Nguyen (VP & Associate General Counsel, VMS) to discuss the overall defense strategy and establish working protocols. This call should be scheduled within the next two weeks.
•  Expert Engagement Scope: Confirm the scope and timeline of Dr. Yeoh's engagement at Greystone Technical Consulting LLC for preparation of detailed claim charts and invalidity contentions. Target completion of claim chart analysis: March 31, 2025.
•  Insurance Coverage Follow-Up: Follow up with Tanya Whitcomb at Northbridge Specialty Insurance Company to secure formal confirmation of coverage and clarify the reservation of rights. Target: by February 15, 2025.
•  Deadline Calendaring: Calendar all remaining deadlines in the Firm's docketing system, including: fact discovery close (March 28, 2025); expert report deadline (May 30, 2025); and trial date (October 6, 2025). See Attachment E for a comprehensive deadlines calendar.
•  discovery Assessment: Assess whether any protective order modifications or supplemental discovery requests are needed before the March 28, 2025 fact discovery close date.
•  Settlement Analysis Preparation: Prepare a preliminary settlement analysis for discussion with Rachel Nguyen and David Mercer once the invalidity and non-infringement assessments are further matured. This analysis should incorporate cost-to-trial estimates, probability assessments, insurance coverage implications, and an evaluation of Pinnacle's likely settlement expectations in light of its litigation-funding and contingency-fee arrangements.
XII. Conclusion
Calderwood & Harkness LLP is now fully engaged as defense counsel for Vantage Mobility Systems Corp. in this matter. We have reviewed the key litigation files transferred from Hargrove Dunn LLP, assessed the current case posture, and developed preliminary assessments of VMS's invalidity and non-infringement defenses.
The overall case posture is favorable but not without risk. Two of the three disputed claim terms were construed by the Court in a manner favorable to VMS, and the "adaptive interval" construction in particular provides a strong non-infringement argument for Claims 1 and 14. However, the ambiguous construction of "network congestion metric" preserves meaningful infringement exposure, particularly for Claim 7, and the interplay between the construed terms creates an area of uncertainty that cannot be fully resolved without expert testimony and, potentially, a jury verdict.
Our preliminary probability assessments are encouraging. Dr. Yeoh estimates a 65–70% probability of invalidating at least one asserted independent claim at trial based on the Tanaka and Morales prior art references, and our overall assessment of the probability of prevailing on non-infringement post-Markman is 55–60%. However, the cost-to-trial is significant — estimated at $2.8 million to $3.4 million in additional fees and expenses — and the cumulative cost of the litigation, including prior counsel's fees, could reach $3.4 million to $4.0 million.
In light of these factors, we recommend pursuing a dual-track strategy: (1) prepare aggressively for trial by completing fact discovery, engaging Dr. Yeoh to finalize invalidity contentions and expert reports, evaluating the viability of dispositive motion practice, and building the strongest possible defense case; and (2) concurrently explore the possibility of a cost-effective settlement resolution, informed by a rigorous cost-benefit analysis that incorporates our probability assessments, estimated cost-to-trial, available insurance coverage, and the practical dynamics of Pinnacle's litigation-funding and contingency-fee arrangements.
We request Marcus Delgado's guidance on the prioritization of these strategic tracks and authorization to proceed with the recommended near-term action items outlined in Section XI above. We are prepared to schedule a strategy discussion at Marcus's earliest convenience.
ATTACHMENTS
Attachment A: Claim Construction Order, dated December 19, 2024, Pinnacle Innovations LLC v. Vantage Mobility Systems Corp., No. 2:24-cv-00187-JRG (E.D. Tex.)
Attachment B: Docket Sheet, Pinnacle Innovations LLC v. Vantage Mobility Systems Corp., No. 2:24-cv-00187-JRG (current as of January 22, 2025)
Attachment C: Copy of U.S. Patent No. 9,847,312 B2 (face page and asserted claims)
Attachment D: Preliminary Claim Charts (Tanaka and Morales references), prepared by Dr. Franklin Yeoh, Greystone Technical Consulting LLC (draft)
Attachment E: Key Deadlines Calendar
PRIVILEGED & CONFIDENTIAL — ATTORNEY WORK PRODUCT. This memorandum constitutes attorney work product prepared in anticipation of litigation and is protected from disclosure by the work-product doctrine and the attorney-client privilege. Distribution is limited to authorized personnel of Calderwood & Harkness LLP and Vantage Mobility Systems Corp. Unauthorized disclosure, copying, or distribution is strictly prohibited.
Date: | January 22, 2025
To: | Marcus Delgado, Responsible Partner, intellectual Property
From: | Omar Siddiqui, Lead Associate, intellectual Property (Houston); Christy Bauer, Working Associate, intellectual Property (Detroit)
Re: | Litigation Status Memorandum — Pinnacle Innovations LLC v. Vantage Mobility Systems Corp., No. 2:24-cv-00187-JRG (E.D. Tex.)
Client: | Vantage Mobility Systems Corp.
Matter No.: | 1007-00003
Deadline | Date
Fact discovery close | March 28, 2025
Expert report deadline | May 30, 2025
Trial date | October 6, 2025
Coverage Parameter | Amount / Detail
IP Infringement Defense sublimit — per occurrence | $500,000
IP Infringement Defense sublimit — aggregate | $1,000,000
Self-insured retention (SIR) | $75,000
Claims Adjuster | Tanya Whitcomb, Northbridge Specialty Insurance Company

PRIVILEGED & CONFIDENTIAL — ATTORNEY WORK PRODUCT

CALDERWOOD & HARKNESS LLP

INTERNAL MEMORANDUM

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