CALDERWOOD & HARKNESS LLP Attorneys at Law
PRIVILEGED AND CONFIDENTIAL — ATTORNEY WORK PRODUCT This memorandum is protected by the attorney-client privilege and the work product doctrine. It is intended solely for use by the internal Calderwood & Harkness LLP case team assigned to the above-referenced matter. Distribution to client representatives Rebecca Tanaka (OWS General Counsel) and Franklin Osei (Ridgeline Capital Partners, LP) is authorized only at the express direction of Alan Ngo, Responsible Partner. This memorandum shall not be disclosed, distributed, or reproduced in whole or in part without the prior written consent of Alan Ngo or Marcus Delgado.
READ FACTOR ANALYSIS FOR ENHANCED DAMAGES
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I. Introduction and Purpose
This memorandum analyzes each of the nine factors set forth in Read Corp. v. Portec, Inc., 970 F.2d 816, 826–27 (Fed. Cir. 1992), as applied to the conduct of defendant Lumicore Technologies, Inc. ("Lumicore" or "LTC"), in support of Optiwave Semiconductor Corp.'s ("OWS's") request for enhanced damages pursuant to 35 U.S.C. § 284. The purpose of this analysis is to provide the case team and, at the responsible partner's discretion, OWS and its financial sponsor Ridgeline Capital Partners, LP, with a comprehensive, evidence-based assessment of the strength of each Read factor and a recommendation regarding the appropriate enhancement multiplier to seek in post-trial briefing.
A. Governing Legal Standard
The Supreme Court's decision in Halo Electronics, Inc. v. Pulse Electronics, Inc., 579 U.S. 93 (2016), fundamentally reshaped the standard governing enhanced damages under § 284. Halo eliminated the rigid two-part test articulated in In re Seagate Technology, LLC, 497 F.3d 1360 (Fed. Cir. 2007) (en banc), and confirmed that enhanced damages are discretionary, available in cases of "egregious" infringement—i.e., infringement that is willful, wanton, malicious, bad-faith, deliberate, or otherwise characterized by "subjective willfulness." Halo, 579 U.S. at 103–04. The Court emphasized that § 284 "gives district courts the discretion to award enhanced damages against those guilty of patent infringement" and that this discretion should be "exercised in light of the [statutory] text and the standard articulated therein." Id. at 103.
In the wake of Halo, district courts within the Federal Circuit—including the Eastern District of Texas—have continued to rely on the nine Read factors as a structured framework for exercising discretion in determining the appropriate level of enhancement (if any). Enhancement typically ranges from no enhancement (1× damages) to treble damages (3× damages, the statutory maximum). The Read factors provide the analytical scaffolding that ensures the court's discretionary determination is grounded in case-specific evidence rather than arbitrary judgment.
B. Relief Sought
OWS seeks enhanced damages, with the proposed multiplier applied to the post-notice lost profits component. As set forth in greater detail below and in the companion Willful Infringement Damages Scenario Analysis (April 15, 2024), Dr. Lawrence Keating of Meridian Economic Consulting Group, LLC has preliminarily calculated post-notice lost profits—spanning from the date of first actual notice on January 15, 2023, through the projected trial date of February 2, 2026—at approximately $109.2 million. The aggregate damages demand as pled in the Complaint is approximately $210 million, a conservatively rounded and blended figure reflecting a partial willful-enhancement component. As discussed in Section IV.C of this memorandum, the full enhancement analysis supports a significantly larger recovery.
C. Companion Memoranda and Reports
This memorandum should be read in conjunction with the following companion documents, which are cross-referenced throughout:
1. Willful Infringement Memorandum (April 10, 2024) — comprehensive analysis of willfulness under Halo, including pre- and post-notice evidence;
2. Timeline of Notice and Willfulness Evidence (April 12, 2024) — chronological compilation of all willfulness-related events, documents, and testimony;
3. Willful Infringement Damages Scenario Analysis (April 15, 2024) — financial modeling of enhancement scenarios at 1.5×, 2×, and 3× multipliers;
4. Dr. Lawrence Keating's Draft Damages Expert Report, Appendix D — Willful Infringement Enhancement — economic analysis supporting the enhancement calculation (draft in progress; expert report due June 15, 2025).
D. Asserted Patents
OWS has asserted four United States patents in this litigation, each covering a distinct but complementary aspect of silicon-photonics transceiver technology:
1. U.S. Patent No. 10,234,847 (the "'847 Patent") — titled "Low-Insertion-Loss Waveguide Multiplexer for Dense Wavelength Division Applications," issued March 19, 2019;
2. U.S. Patent No. 10,891,193 (the "'193 Patent") — titled "High-Bandwidth Coherent Optical Transceiver Integrated on Silicon Substrate," issued January 12, 2021;
3. U.S. Patent No. 9,678,562 (the "'562 Patent") — titled "Thermal Management System for Photonic Integrated Circuits Using Micro-Channel Heat Sinks," issued June 13, 2017; and
4. U.S. Patent No. 11,402,015 (the "'015 Patent") — titled "Polarization-Diverse Grating Coupler with Enhanced Coupling Efficiency," issued August 2, 2022.
Together, these patents form a technology portfolio that covers the core optical architecture (waveguide multiplexing and coherent transceiver integration), the thermal packaging (micro-channel heat sinks for photonic integrated circuits), and the fiber-coupling interface (polarization-diverse grating couplers) of modern silicon-photonics transceivers for data center and telecommunications applications.
E. Accused Product Lines
OWS has accused three Lumicore product lines of infringement:
Projected total accused-product revenue from Q3 2022 through Q4 2025 is approximately $714.6 million, based on publicly reported financials and Dr. Keating's preliminary revenue projections using Lumicore's SEC filings and analyst estimates.
The significance of these revenue figures cannot be overstated. The accused products represent a substantial and growing portion of Lumicore's overall business. Lumicore's decision to launch two additional product lines (the LumiLink 800G-DR8 and the LumiEdge 1600G-LR) after receiving actual notice of OWS's patent rights reflects a deliberate commercial strategy to expand, rather than curtail, infringing activity.
II. Legal Framework
A. Statutory Authority: 35 U.S.C. § 284
Title 35, Section 284 of the United States Code provides, in pertinent part:
"[T]he court may increase the damages up to three times the amount found or assessed."
35 U.S.C. § 284. This provision has been a feature of the Patent Act since 1836 and has been interpreted by the Supreme Court and the Federal Circuit as providing courts with broad discretion to award additional damages beyond compensatory relief in cases of willful or egregious infringement.
Enhancement under § 284 serves two distinct purposes. First, it is punitive—designed to punish the infringer for particularly culpable conduct that goes beyond mere unauthorized use of the patented technology. Second, it is deterrent—intended to discourage other market participants from engaging in similar conduct by ensuring that the economic consequences of willful infringement exceed the profits to be gained from it. Enhancement is expressly not compensatory; the compensatory function is served by the damages "found or assessed" before enhancement. See Halo, 579 U.S. at 103; Rite-Hite Corp. v. Kelley, Inc., 56 F.3d 1538, 1554 (Fed. Cir. 1995) (en banc).
Critically, enhancement is not automatic upon a finding of willful infringement. The statute provides that the court "may" increase damages—a permissive grant of authority, not a mandatory one. The decision of whether to enhance, and to what degree (up to 3×), rests within the sound discretion of the district court. Halo, 579 U.S. at 103–04.
B. Halo Electronics Standard
In Halo Electronics, Inc. v. Pulse Electronics, Inc., 579 U.S. 93 (2016), the Supreme Court addressed the standard governing enhanced damages under § 284 and significantly reformed the prior framework. Before Halo, the Federal Circuit's en banc decision in In re Seagate Technology, LLC, 497 F.3d 1360 (Fed. Cir. 2007), imposed a two-part test requiring the patent holder to prove by clear and convincing evidence that (1) the infringer acted despite an objectively high likelihood that its actions constituted infringement of a valid patent, and (2) this objectively defined risk was either known or so obvious that it should have been known to the accused infringer. Seagate, 497 F.3d at 1371.
The Supreme Court rejected this framework as "unduly rigid" and inconsistent with the text of § 284. Halo, 579 U.S. at 103. The Court's key holdings are as follows:
1. Discretionary standard. District courts have discretion to award enhanced damages under § 284. The statute "imposes no specific evidentiary burden, much less [the clear and convincing] one" that Seagate imposed. Id. at 112.
2. Subjective willfulness is sufficient. An infringer's subjective willfulness—i.e., knowledge that its conduct constituted infringement or a deliberate indifference to the patent holder's rights—is sufficient to support enhanced damages. There is no requirement that the infringer's conduct be "objectively reckless" in the sense that Seagate required. Id. at 105.
3. Reserved for "egregious cases." Enhanced damages should be reserved for "egregious cases of culpable behavior"—cases involving the type of "wanton, malicious, and bad-faith" conduct described by the Court in Aro Manufacturing Co. v. Convertible Top Replacement Co., 377 U.S. 476, 508 (1964). Halo, 579 U.S. at 103–04. Enhancement is not appropriate merely because the infringer was aware of the patent and continued to sell the accused product; rather, there must be a qualitative determination that the infringer's conduct rises to the level of egregiousness.
4. Objective baselessness of defenses not required. Under Seagate, an infringer could defeat enhancement entirely by showing that it had an objectively reasonable defense, even if it never relied on that defense and the defense was identified only after litigation commenced. Halo rejected this approach, holding that "[c]ulpability is generally measured against the knowledge of the actor at the time of the challenged conduct." Id. at 105. Post-hoc defenses, while not irrelevant, do not automatically shield the infringer from enhancement.
5. Abuse of discretion review. The district court's decision on enhancement is reviewed for abuse of discretion. Id. at 106. This deferential standard recognizes that the district judge is best positioned to evaluate the totality of circumstances, including the credibility of witnesses and the nature of the infringer's conduct.
Following Halo, the Federal Circuit has confirmed on multiple occasions that knowledge of the patent, combined with the absence of a reasonable good-faith basis for believing that the conduct was non-infringing, can support both a finding of willful infringement and an award of enhanced damages. See, e.g., WBIP, LLC v. Kohler Co., 829 F.3d 1317, 1341 (Fed. Cir. 2016); Arctic Cat Inc. v. Bombardier Recreational Prods. Inc., 876 F.3d 1350, 1370–71 (Fed. Cir. 2017); SRI Int'l, Inc. v. Cisco Sys., Inc., 14 F.4th 1323, 1330 (Fed. Cir. 2021).
C. The Read Factors
Although Halo replaced the Seagate threshold test, district courts have continued to employ the nine-factor framework articulated in Read Corp. v. Portec, Inc., 970 F.2d 816, 826–27 (Fed. Cir. 1992), as a guide for exercising their discretion in determining the appropriate amount of enhancement. The Read factors serve as a structured checklist that ensures the court considers all relevant dimensions of the infringer's conduct. They are:
1. Whether the infringer deliberately copied the ideas or design of another;
2. Whether the infringer, when he knew of the other's patent protection, investigated the scope of the patent and formed a good-faith belief that it was invalid or that it was not infringed;
3. The infringer's behavior as a party to the litigation;
4. Defendant's size and financial condition;
5. Closeness of the case;
6. Duration of defendant's misconduct;
7. Remedial action by the defendant;
8. Defendant's motivation for harm; and
9. Whether defendant attempted to conceal its misconduct.
Read, 970 F.2d at 826–27. Not all factors need to weigh in the patent holder's favor for enhancement to be warranted; courts conduct a holistic, factor-by-factor assessment, weighing the totality of circumstances to determine whether the case warrants enhancement and, if so, the appropriate multiplier. See, e.g., Presidio Components, Inc. v. Am. Tech. Ceramics Corp., 875 F.3d 1369, 1382–83 (Fed. Cir. 2017); Georgetown Rail Equip. Co. v. Holland L.P., 867 F.3d 1229, 1244 (Fed. Cir. 2017).
The analysis that follows applies each of these nine factors to the evidence developed in this case through fact discovery, depositions, document production, and third-party investigations. Where the analysis depends on anticipated testimony or pending rulings, such contingencies are clearly identified.
III. Factor-by-Factor Analysis
Factor 1: Deliberate Copying
Assessment: Strongly favors OWS (enhancement)
The first Read factor asks whether the infringer deliberately copied the ideas or design of the patent holder. This factor is among the most significant in the enhancement analysis because it goes to the heart of the infringer's culpability—a party that knowingly appropriates another's patented inventions demonstrates the type of intentional conduct that § 284 was designed to punish. See Hollowell Industries v. Zimmer, Inc., 837 F.3d 1268, 1275 (Fed. Cir. 2016) (affirming enhanced damages where evidence showed deliberate copying).
1. Direct Evidence of Awareness and Review of OWS Patents
The most compelling evidence of deliberate copying comes from the deposition testimony of Dr. Sandra Michaud, Lumicore's Chief Technology Officer. Dr. Michaud was deposed on November 19, 2024, and during that deposition she admitted that during the design phase for the LumiLink 400G-ZR+ product line (approximately 2021–2022), she and members of the Lumicore engineering team reviewed OWS's published patent application No. 2018/0123456. This published application corresponds to the '193 Patent (U.S. Patent No. 10,891,193), titled "High-Bandwidth Coherent Optical Transceiver Integrated on Silicon Substrate," which was issued on January 12, 2021—more than a year before the LumiLink 400G-ZR+ was launched in Q3 2022.
Dr. Michaud's admission is significant for several reasons. First, it establishes that Lumicore's product-design team had actual knowledge of OWS's patented technology during the development process—not merely constructive knowledge through the publication of the patent, but affirmative review and consideration of the application's technical disclosure. Second, when pressed during her deposition, Dr. Michaud could not identify specific non-infringing design alternatives that the Lumicore engineering team considered or evaluated during the design phase. This failure to identify alternatives undercuts any argument that Lumicore's design team reviewed the OWS application for the purpose of designing around it.
2. Corroborating Testimony from Former Lumicore Engineer
This account is expected to be corroborated by the anticipated testimony of Melissa Chen, a former Lumicore engineer who is now employed at Veridian Photonics, Inc. Based on preliminary witness interviews, Ms. Chen is expected to testify that Lumicore's LumiLink 400G-ZR+ design team accessed and reviewed multiple OWS published patent applications during the product design phase in 2021–2022. A subpoena duces tecum and deposition notice were issued on January 22, 2025, and Ms. Chen's deposition is anticipated to take place in the near term.
Ms. Chen's testimony, if consistent with expectations, will provide independent corroboration of Dr. Michaud's admission. The combination of the CTO's testimony and a design-team engineer's testimony creates a strong evidentiary foundation for finding that Lumicore's design team had direct knowledge of OWS's patented inventions during the product development process and incorporated patented features into the accused products with full awareness.
3. Third-Party Teardown Analysis
Benchmark Semiconductor Analysis, LLC conducted a detailed physical teardown of the LumiLink 400G-ZR+ transceiver module. Kevin Ng, Benchmark's Lead Engineer, completed the teardown report on December 12, 2022. The Benchmark teardown confirmed the presence of waveguide multiplexer structures and thermal management micro-channels in the LumiLink 400G-ZR+ that are substantially identical in architecture to the structures disclosed in the '847 Patent and the '562 Patent. The similarities extend beyond mere functional equivalence—the physical layout, dimensional characteristics, and structural configurations of the waveguide multiplexers and micro-channel heat sinks in the LumiLink 400G-ZR+ closely mirror the specific embodiments disclosed and claimed in OWS's patents.
Benchmark has also conducted teardowns of the LumiLink 800G-DR8 and the LumiEdge 1600G-LR, both of which are expected to show similar structural correspondence with OWS's patented designs. These teardown results provide objective, physical evidence that Lumicore's accused products incorporate patented structural features in a manner consistent with copying rather than independent innovation.
4. Infringement Claim Charts and Expert Analysis
The side-by-side infringement claim charts prepared by the case team and reviewed by Gregory Falk, OWS's industry expert and former Vice President of Engineering at Solara Optics, Inc., demonstrate close correspondence between the accused products and the patented designs. The correspondence is not limited to high-level functional overlap—which might be expected in a mature technology field—but extends to specific architectural details, including the arrangement and configuration of waveguide multiplexer stages, the geometry of micro-channel heat-sink structures, and the layout of polarization-diverse grating couplers.
Mr. Falk is expected to provide an expert report opining that the degree of structural similarity between Lumicore's accused products and OWS's patented designs exceeds what would be expected from independent development. In Mr. Falk's opinion, the structural correspondence is most consistent with direct reference to OWS's patent disclosures during the Lumicore product design process—an opinion that is independently supported by Dr. Michaud's deposition testimony.
5. Lumicore's Likely Counterarguments
Lumicore is expected to assert several counterarguments on this factor, none of which are persuasive:
Independent development. Lumicore will likely claim that its engineering team independently developed the accused product architectures without reference to OWS's patents. This argument is fatally undermined by Dr. Michaud's own admission that she and her team reviewed OWS's published patent application during the LumiLink 400G-ZR+ design phase. It is further undermined by the anticipated testimony of Melissa Chen. An infringer cannot credibly claim independent development when its own CTO admits to reviewing the patent holder's published applications during the design process.
Common design practices in silicon photonics. Lumicore may argue that the structural similarities reflect common industry-standard approaches to silicon-photonics transceiver design rather than copying. While certain aspects of silicon-photonics design are, of course, widely practiced, the specific claimed architectures in OWS's patents go well beyond industry-standard approaches. The '847 Patent, for example, claims a specific low-insertion-loss waveguide multiplexer structure with particular geometric and material characteristics that distinguish it from generic waveguide multiplexer designs. Similarly, the '562 Patent claims a specific micro-channel heat-sink architecture tailored to photonic integrated circuits. These are not generic, off-the-shelf designs; they are OWS's specific innovations, and their appearance in Lumicore's products is not explained by coincidence or common practice.
Prior art as design source. Lumicore may contend that its designs were derived from the prior art rather than from OWS's patents. However, Lumicore's invalidity contentions have identified prior art references that differ materially from the specific patented configurations. The prior art cited by Lumicore describes generalized approaches to waveguide multiplexing, thermal management, and grating coupling that do not disclose the specific structural features claimed in OWS's patents and present in Lumicore's accused products. If Lumicore designed to the prior art, its products would look different from OWS's patented designs—yet they do not.
6. Net Assessment
Factor 1 strongly favors enhancement. The evidence of deliberate copying is compelling: Lumicore's CTO admitted to reviewing OWS's published patent applications during the design phase, the accused products exhibit structural similarities that extend beyond what would be expected from independent development, and Lumicore's own witnesses have been unable to identify non-infringing alternatives considered during the design process. This is precisely the type of deliberate appropriation that weighs heavily in favor of enhancement.
Factor 2: Good-Faith Investigation of Patent Scope
Assessment: Strongly favors OWS (enhancement)
The second Read factor examines whether the infringer, upon learning of the patent holder's patent protection, undertook a good-faith investigation of the scope of the patent and formed a good-faith belief that the patent was either invalid or not infringed. This factor is closely related to the first but focuses specifically on the infringer's post-notice conduct—what did the infringer do after learning of the patents?
1. Actual Notice: FairPoint Licensing Correspondence
OWS, through its licensing agent FairPoint Licensing Group, LLC (Managing Director Angela Reeves), provided Lumicore with formal notice of its patent rights through a series of written communications:
First notice letter (January 15, 2023). FairPoint sent a detailed licensing letter to Raymond Bautista, Lumicore's General Counsel, identifying the '847, '193, and '562 Patents and explaining the basis for OWS's belief that Lumicore's LumiLink 400G-ZR+ product infringed those patents. This letter constituted actual notice of OWS's patent rights. Raymond Bautista confirmed receipt of this letter during his December 3, 2024 deposition and testified that he forwarded it to Lumicore's outside counsel at Hawthorne Vega & Cruz LLP within three business days.
Second notice letter (May 15, 2023). FairPoint sent a follow-up licensing letter adding the '015 Patent (which had issued on August 2, 2022) and expanding the scope of accused products to include the LumiLink 800G-DR8, which Lumicore had launched in Q1 2023—after receiving the first notice letter.
In-person licensing meeting (April 20, 2023). Between the two written communications, an in-person licensing meeting was held on April 20, 2023, in Austin, Texas. The meeting was attended by Angela Reeves (FairPoint), Rebecca Tanaka (OWS General Counsel), Raymond Bautista (Lumicore General Counsel), and Catherine "Kate" Rourke of Hawthorne Vega & Cruz LLP (Lumicore's outside patent counsel). The meeting produced no resolution. Per Ms. Reeves's deposition testimony (December 10, 2024), Lumicore's representatives showed "no interest in negotiating" and did not engage substantively with OWS's licensing proposal.
2. Lumicore's Declination and Claimed "Competent Legal Opinions"
On July 10, 2023, Lumicore formally declined to take a license. In its declination letter, Lumicore stated that it had obtained "competent legal opinions" that its products do not infringe the asserted patents. This statement is significant for two reasons: first, it suggests that Lumicore sought legal advice on the infringement question; second, Lumicore has steadfastly refused to produce those opinion letters, asserting attorney-client privilege.
OWS filed a Motion to Compel Production of Opinion-of-Counsel Letters on October 21, 2024 (D.E. 40), arguing that Lumicore waived the attorney-client privilege by (a) affirmatively referencing "competent legal opinions" in its July 10, 2023 declination letter, and (b) asserting (or at minimum signaling its intent to assert) an advice-of-counsel defense. The motion remains pending before Judge Gilstrap as of the date of this memorandum.
The disposition of this motion will have a significant impact on the analysis of Factor 2. If Lumicore ultimately fails to produce the opinion letters—whether because the Court denies the motion, because Lumicore withdraws its privilege assertion and produces unfavorable opinions, or because the Court draws an adverse inference from the non-production—the result is the same: the record will lack any credible evidence that Lumicore conducted a good-faith investigation of the asserted patents and formed a reasonable belief of non-infringement or invalidity. Under these circumstances, Factor 2 weighs heavily in favor of enhancement.
3. Deposition Testimony of Raymond Bautista
Raymond Bautista, Lumicore's General Counsel, was deposed on December 3, 2024. His testimony is directly relevant to Factor 2:
• Receipt of notice. Mr. Bautista confirmed receipt of FairPoint's January 15, 2023 letter and testified that he forwarded it to Hawthorne Vega & Cruz LLP within three business days.
• Substance of opinions. Mr. Bautista refused to answer questions about the substance of any opinion-of-counsel letters, invoking attorney-client privilege. He refused to identify the specific opinions obtained, the dates on which they were obtained, or the identity of the attorneys who prepared them.
• No design-around before LumiEdge launch. Critically, Mr. Bautista admitted that no formal design-around analysis was commissioned before the launch of the LumiEdge 1600G-LR in Q4 2023. This product was launched approximately nine months after the first FairPoint notice letter, six months after the in-person licensing meeting, five months after the second FairPoint notice letter, and three months after Lumicore's own formal declination letter.
The significance of Mr. Bautista's admission regarding the absence of a design-around analysis cannot be understated. A company that has received actual notice of four patents covering its core product architecture, and that has declined to take a license, would be expected—if acting in good faith—to at minimum commission a design-around study to determine whether it could modify its products to avoid infringement. Lumicore did not even take this basic step before launching a third infringing product line.
4. Lumicore's Bare Denial Is Not a Good-Faith Investigation
Lumicore responded to FairPoint's first letter on February 28, 2023, through Hawthorne Vega & Cruz LLP, disputing infringement and questioning the validity of the asserted patents. However, a bare denial of infringement—without production of any supporting analysis, opinion letter, or design-around study—does not constitute a good-faith investigation of the patent scope. The Federal Circuit has recognized that a "good faith belief" must be grounded in a meaningful analysis of the patent claims, not merely a reflexive denial. See Gustafson, Inc. v. Intersystems Indus. Prods., Inc., 897 F.2d 508, 510–11 (Fed. Cir. 1990).
5. Post-Halo Framework
Under Halo, the relevant inquiry is whether the infringer made a "genuine, good-faith effort to determine that its conduct was lawful." See Halo, 579 U.S. at 105. Even if Lumicore subjectively believed that it did not infringe (a belief for which there is no evidence in the record, given the privilege assertion over opinion letters), that belief does not immunize it from a willfulness finding. The question is whether Lumicore took meaningful, affirmative steps to investigate the scope of OWS's patents and to ensure that its continued manufacture and sale of the accused products was lawful. The record strongly suggests that Lumicore did not.
6. Timing of Any Opinions
Even if the pending Motion to Compel is granted and Lumicore produces opinion-of-counsel letters, the timing of those opinions will be a critical issue. Were the opinions obtained before the first FairPoint letter (suggesting pre-existing awareness)? Were they obtained after the first FairPoint letter but before the LumiEdge 1600G-LR launch in Q4 2023 (suggesting at least some responsive investigation)? Or were they obtained only after the complaint was filed in April 2024 (suggesting post-hoc rationalization)? Under Halo, the timing of any investigation is directly relevant to the infringer's culpability. Opinions obtained only after litigation has commenced, or only after the patent holder's repeated notice and licensing outreach, carry substantially less weight than opinions obtained proactively at the outset of the product design process.
7. Net Assessment
Factor 2 strongly favors enhancement. The failure to produce opinion letters, combined with the complete absence of any design-around analysis before launching additional infringing products, and the bare-denial response to detailed licensing correspondence, collectively demonstrate that Lumicore failed to conduct a good-faith investigation of the scope of OWS's patents. Under Halo's totality-of-the-circumstances approach, this pattern of conduct is precisely the type of deliberate indifference that supports enhanced damages.
Factor 3: Litigation Conduct
Assessment: Modestly favors OWS (enhancement)
The third Read factor examines the infringer's behavior as a party to the litigation. While aggressive litigation tactics are generally protected and expected in adversarial proceedings, certain patterns of conduct—particularly those designed to obstruct the patent holder's case, increase litigation costs as a settlement lever, or assert frivolous defenses—can weigh in favor of enhancement. Conversely, cooperative and proportional litigation conduct can weigh against enhancement. The analysis here is nuanced.
1. Conduct Weighing in Favor of Enhancement
Motion to Transfer (D.E. 13). Lumicore filed a motion to transfer venue to the Western District of Texas (Austin Division) on June 17, 2024. The motion was denied by Judge Gilstrap on August 5, 2024 (D.E. 25). While the filing of a transfer motion is not inherently improper and is a routine litigation strategy, several aspects of Lumicore's motion are noteworthy. First, Lumicore maintains a sales and support office at 2700 Earl Campbell Parkway, Suite 150, Tyler, Texas 75701—within the Eastern District of Texas—undermining its convenience-based arguments. Second, when viewed in the context of Lumicore's overall litigation strategy, the transfer motion delayed the case by approximately two months (accounting for briefing and the Court's consideration period), during which Lumicore continued to sell the accused products without interruption. The motion consumed OWS's litigation resources and delayed the merits phase of the case.
Inequitable conduct counterclaim. Lumicore asserted a counterclaim alleging inequitable conduct and patent unenforceability, claiming that Dr. Jian-Wei Huang, one of the named inventors on the '193 Patent, failed to disclose a prior publication during patent prosecution. Calderwood & Harkness's internal analysis (August 2024) determined that the allegedly undisclosed reference was cumulative of prior art already cited by the patent examiner during prosecution. Moreover, the specific intent to deceive—a required element of inequitable conduct following Brightmoor & Co., Inc. v. Becton, Dickinson & Co., 649 F.3d 1276 (Fed. Cir. 2011) (en banc)—cannot be established on the facts. The assertion of a Brightmoor & Co.-standard inequitable conduct claim based on cumulative prior art, absent credible evidence of specific intent, may be viewed as a litigation tactic designed to increase OWS's costs, create reputational pressure on Dr. Huang, and generate settlement leverage. While not rising to the level of frivolousness (the counterclaim was not struck on a Rule 12(b)(6) motion), its evidentiary foundation is thin.
Privilege assertion over opinion letters. As discussed under Factor 2, Lumicore has asserted attorney-client privilege over its opinion-of-counsel letters while simultaneously referencing "competent legal opinions" in its July 10, 2023 declination letter and potentially preserving an advice-of-counsel defense. This inconsistent posture—using the existence of opinion letters as a sword in licensing negotiations while shielding them as a privilege in litigation—is a litigation conduct concern. Whether this constitutes a waiver of privilege is a question pending before the Court (D.E. 40), but the posture itself reflects a litigation strategy designed to have it both ways.
Deficient 30(b)(6) designee. Lumicore's Rule 30(b)(6) designee was inadequately prepared on Topic 14, which covered non-infringing alternatives to the accused product designs. The designee's inability to provide substantive testimony on this topic may reflect a deliberate decision by Lumicore's counsel to avoid creating favorable testimony for OWS. Calderwood & Harkness has prepared a draft discovery dispute letter identifying these deficiencies and is holding it in reserve pending strategic evaluation.
Gaps in document production. Lumicore's initial document production contained notable gaps, requiring Calderwood & Harkness to serve a second set of Requests for Production on November 4, 2024, specifically targeting source-code repositories and photonic-IC mask files for the accused products. Wendy Schultz's October 28, 2024 correspondence to Samantha Briggs at Hawthorne Vega & Cruz LLP documented these deficiencies. While discovery disputes are common in complex patent litigation, the specific nature of the omitted documents—source code and mask files, which are among the most critical technical documents in a semiconductor patent case—raises concerns about whether the omission was inadvertent or strategic.
2. Mitigating Factors
In fairness, Lumicore's litigation conduct has not been uniformly problematic:
• Lumicore did not seek any extensions of time beyond the initial unopposed 28-day extension (May 20, 2024) to file its answer and counterclaims. This is a modest point in Lumicore's favor, indicating that it did not pursue a strategy of maximal delay.
• Lumicore has generally complied with the Court's scheduling order deadlines, including the service of timely invalidity contentions (October 14, 2024) and the submission of claim construction briefing in advance of the March 14, 2025 Markman hearing.
• Lumicore's counsel at Hawthorne Vega & Cruz LLP have been generally professional in their interactions with Calderwood & Harkness, and there are no instances of sanctionable conduct or bad-faith behavior that would independently warrant judicial censure.
3. Net Assessment
Factor 3 modestly favors enhancement. Lumicore's litigation conduct is not egregious, but it reveals a pattern of tactical maneuvering—delay through transfer, a thin inequitable conduct counterclaim, inconsistent privilege assertions, and document production deficiencies—that, when viewed in the aggregate, suggests a litigation strategy designed to increase costs and obstruct rather than to engage in good-faith resolution. This factor does not strongly support maximum enhancement, but it adds incremental weight to the overall enhancement analysis.
Factor 4: Size and Financial Condition of Infringer
Assessment: Favors OWS (enhancement)
The fourth Read factor considers the size and financial condition of the infringer. This factor is relevant because enhanced damages should not impose a disproportionate or existential burden on a small entity that might not have had the resources to conduct a proper investigation of the patent landscape. Conversely, when the infringer is a well-funded, sophisticated company with access to legal counsel and capital markets, the argument for enhancement is strengthened—such a company had the resources to investigate the patents, obtain opinions, and pursue design-arounds, and its decision not to do so reflects a deliberate business judgment rather than resource constraints.
1. Lumicore's Financial Profile
Lumicore Technologies, Inc. is a publicly traded company listed on the Nasdaq Stock Market. The company completed its initial public offering in March 2022 at a price of $24 per share, underwritten by Silverstone Capital Markets LLC. Key financial metrics include:
Lumicore is not a startup, a garage operation, or a small business struggling to compete in a complex technology market. It is a publicly traded company with annual revenues exceeding $300 million, a market capitalization exceeding $3 billion, nearly 900 employees, and relationships with major investment banks and accounting firms. It has access to the capital markets and to sophisticated legal and financial advisors. Its decision to enter the silicon-photonics transceiver market in direct competition with OWS was a calculated business decision made with full access to resources and information.
2. Impact of Enhanced Damages on Lumicore
Even at the maximum statutory enhancement (treble damages), the financial impact on Lumicore would be significant but not existential. Treble damages on the post-notice lost profits component ($109.2 million × 3 = $327.6 million) would represent approximately 9.6% of Lumicore's market capitalization at the time of complaint filing. While this is a substantial sum, Lumicore has the financial capacity—through its cash position, credit facilities, insurance coverage (if any), and access to capital markets—to satisfy such a judgment without facing corporate dissolution or insolvency.
The purpose of enhanced damages is to punish and deter, and punishment must be sufficient to sting. A damages award that is trivial relative to the infringer's financial resources fails to serve the deterrent function of § 284. Lumicore's size and financial condition ensure that an enhanced damages award will achieve its intended purpose.
3. OWS's Financial Position for Comparative Reference
For context, OWS is a privately held company with the following profile:
OWS is larger than Lumicore by revenue and headcount but is not so dominant as to render Lumicore a sympathetic underdog. The two companies are direct competitors operating at comparable scale in the same technology market. The relative parity of the parties underscores that Lumicore made a deliberate, strategic decision to compete using OWS's patented technology rather than investing in its own innovative solutions.
4. Net Assessment
Factor 4 favors enhancement. Lumicore is a well-funded, publicly traded competitor with ample resources to have investigated OWS's patents, obtained competent legal opinions, commissioned design-around studies, and negotiated a license. Its failure to do any of these things was a business choice, not a resource constraint. Enhanced damages will not impose a disproportionate burden and will serve the punitive and deterrent purposes of § 284.
Factor 5: Closeness of the Case
Assessment: Favors OWS (enhancement), though subject to Markman outcome
The fifth Read factor assesses the closeness of the case on the merits—i.e., how strong is the patent holder's infringement case and how strong are the infringer's defenses? Enhancement is more appropriate where the case is not close and the infringement is clear, because in such circumstances the infringer's decision to continue infringing despite the strength of the patent holder's position is more culpable. Conversely, where the case is genuinely close—where reasonable minds could differ on infringement or validity—the infringer's decision to contest infringement rather than take a license is more understandable, and the case for enhancement is weaker.
1. Strength of OWS's Infringement Case
OWS's infringement case is built on four asserted patents covering distinct but complementary aspects of silicon-photonics transceiver technology, each of which reads on one or more of the three accused product lines. The key elements supporting the strength of the infringement case include:
Benchmark teardown reports. Benchmark Semiconductor Analysis, LLC has conducted physical teardowns of all three accused products, and the teardown results confirm the presence of the patented structures in each product. These are not theoretical infringement contentions based on product specifications alone; they are grounded in physical analysis of the accused products at the component level.
Literal infringement contentions. OWS's literal infringement contentions are well-supported for all four patents across the applicable accused products. The claim charts demonstrate element-by-element correspondence between the asserted claims and the accused product features. While Lumicore will undoubtedly dispute certain claim limitations at the element level, the overall strength of the literal infringement case is high.
Doctrine of equivalents contentions. In addition to literal infringement, OWS has asserted infringement under the doctrine of equivalents for Claims 3 and 7 of the '193 Patent and Claim 12 of the '015 Patent. These contentions present additional theories of infringement that, while somewhat riskier than the literal infringement theories, provide fallback positions in the event that claim construction narrows the literal scope of the claims.
Michaud deposition testimony. Dr. Sandra Michaud, Lumicore's CTO, failed to identify non-infringing alternatives when questioned during her deposition. This testimony undermines Lumicore's ability to argue that its products could have been designed differently to avoid the asserted claims—and, by implication, suggests that the claims are not easily avoided because they cover the core architectural features of the accused products.
2. Lumicore's Invalidity Positions
Lumicore has cited 23 prior-art references in its invalidity contentions, served on October 14, 2024. Calderwood & Harkness's internal invalidity analyses, completed in November 2024, have identified significant weaknesses in Lumicore's invalidity positions across all four asserted patents:
'847 Patent (Waveguide Multiplexer). Lumicore's primary invalidity reference for the '847 Patent is Takahashi et al. (IEEE, March 2014). Lumicore argues that Takahashi anticipates the claims of the '847 Patent. However, Takahashi describes a generic waveguide multiplexer structure that lacks the specific low-insertion-loss configuration claimed in the '847 Patent. The claimed configuration includes specific geometric and material features that are absent from Takahashi, and Lumicore has not identified a credible combination of references for an obviousness theory that supplies the missing limitations.
'562 Patent (Thermal Management). Lumicore's invalidity case for the '562 Patent relies primarily on Bergmann (U.S. Patent No. 8,412,007) and a conference paper by Dr. Li Wei presented at OFC 2013. Neither reference discloses key limitations of the asserted claims, including the specific micro-channel dimensions and heat-transfer characteristics claimed in the '562 Patent. Moreover, OWS has priority-date and swearing-behind evidence available to antedate any prior art that may be asserted under the earlier effective filing date provisions.
'015 Patent (Grating Coupler). Lumicore has asserted a prior-conception defense based on its own internal documents from 2016–2017, arguing that its engineers conceived of the claimed polarization-diverse grating coupler design before OWS's priority date. This defense faces significant obstacles: the corroboration requirements for a prior-conception defense are stringent, see Mahurkar v. C.R. Bard, Inc., 79 F.3d 1572, 1577 (Fed. Cir. 1996), and Lumicore's internal documents raise credibility issues regarding the dates and authenticity of the disclosed designs.
No IPR petitions. As of the date of this memorandum, Lumicore has not filed inter partes review ("IPR") petitions challenging the validity of any of the asserted patents. The one-year deadline for filing IPR petitions under 35 U.S.C. § 315(b) is May 1, 2025, based on the May 1, 2024 service date. Lumicore's decision not to file IPR petitions—despite having been on notice of OWS's patents since January 2023 and despite having served invalidity contentions in October 2024—may itself be indicative of weakness in its invalidity positions. While the failure to file IPR is not conclusive (there are legitimate strategic reasons for choosing not to pursue IPR, including estoppel concerns), it is a data point suggesting that Lumicore's counsel does not have confidence that the prior art is strong enough to survive the IPR process.
3. Claim Construction
The outcome of the March 14, 2025 Markman hearing will significantly affect the closeness-of-case assessment. Fourteen disputed claim terms remain, including four terms of particular significance:
• "waveguide multiplexer" — OWS proposes a construction that encompasses the full range of multiplexer architectures disclosed in the '847 Patent; Lumicore seeks to limit the term to arrayed-waveguide-grating (AWG) configurations only.
• "integrated on a silicon substrate" — OWS argues this encompasses hybrid integration approaches; Lumicore contends it requires monolithic integration.
• "micro-channel heat sink" — OWS proposes a construction covering micro-channels with hydraulic diameters below 200 micrometers; Lumicore seeks a narrower construction limited to specific channel geometries.
• "polarization-diverse grating coupler" — OWS proposes a functional construction; Lumicore seeks a structural limitation tied to a two-dimensional grating configuration.
If the Court adopts OWS's broader constructions, the infringement case strengthens considerably and the case becomes even less close. If the Court adopts Lumicore's narrow constructions, some literal infringement theories may narrow—though the doctrine of equivalents theories provide important fallback positions. The net effect on the closeness-of-case assessment will depend on which terms are construed and in whose favor.
4. Secondary Considerations of Non-Obviousness
The secondary considerations of non-obviousness further support the validity of OWS's patents and, correspondingly, the non-closeness of the case. The evidentiary record includes:
• Commercial success. OWS generated approximately $310 million in revenue from products practicing the asserted patents in FY 2023.
• Long-felt need. The silicon-photonics transceiver market had long sought the specific performance characteristics enabled by OWS's patented designs, including low-insertion-loss waveguide multiplexing and effective thermal management of photonic integrated circuits.
• Failure of others. At least three competitors attempted to develop similar designs before OWS and were unsuccessful.
• Copying. Lumicore's own copying of OWS's patented designs, as evidenced by the analysis under Factor 1, is itself a secondary consideration supporting non-obviousness.
5. Net Assessment
While patent cases are inherently uncertain—and the outcome of claim construction, dispositive motions, and trial can never be predicted with certainty—the strength of OWS's infringement evidence and the weaknesses in Lumicore's invalidity positions suggest that this is not a close case. Factor 5 favors enhancement, though this assessment is subject to reassessment after the Markman ruling (March 14, 2025) and after dispositive motions (due September 15, 2025).
Caveat: This factor should be reassessed and this section of the memorandum updated at two milestones: (1) following the Markman ruling, and (2) following the Court's rulings on any summary judgment or partial summary judgment motions.
Factor 6: Duration of Misconduct
Assessment: Strongly favors OWS (enhancement)
The sixth Read factor considers the duration of the infringer's misconduct. Extended periods of infringement—particularly where the infringer continues or expands infringing activity after receiving notice of the patent holder's rights—weigh heavily in favor of enhancement. The rationale is straightforward: an infringer who promptly ceases infringing activity upon learning of the patent holder's rights demonstrates respect for the patent system, while an infringer who continues or escalates its infringing conduct demonstrates the type of deliberate indifference that § 284 was designed to punish.
1. Infringement Timeline
The following timeline summarizes the duration and trajectory of Lumicore's infringing conduct:
2. Total Duration
The total duration of Lumicore's infringing conduct, measured from the launch of the LumiLink 400G-ZR+ in Q3 2022 through the projected trial date in February 2026, is approximately 3.5 years. Of this total, the post-notice infringement period—measured from the date of first actual notice on January 15, 2023, through the projected trial date—spans approximately 3 years.
Three years of post-notice infringement is a substantial period by any measure. During this time, Lumicore generated hundreds of millions of dollars in revenue from accused products, while OWS suffered corresponding lost profits and price erosion.
3. Escalating Nature of the Infringement
What makes the duration analysis particularly compelling in this case is not merely the length of time, but the escalating nature of Lumicore's infringing conduct. After receiving the first FairPoint notice letter on January 15, 2023, Lumicore did not curtail its infringing activity. To the contrary, Lumicore launched the LumiLink 800G-DR8—a new infringing product—in Q1 2023, within weeks of receiving notice. Then, after the second FairPoint notice letter (May 15, 2023), the in-person licensing meeting (April 20, 2023), and Lumicore's own formal declination of a license (July 10, 2023), Lumicore launched yet another infringing product—the LumiEdge 1600G-LR—in Q4 2023.
This pattern of escalation—introducing not one but two additional infringing products after actual notice—is powerful evidence of deliberate, willful infringement. It demonstrates that Lumicore treated OWS's patents as a cost of doing business rather than as legal constraints on its freedom to operate. Each new product launch represented a conscious decision to deepen Lumicore's investment in the infringing technology rather than to seek alternatives.
4. Post-Notice Revenue
Dr. Lawrence Keating's preliminary damages analysis calculates post-notice lost profits at approximately $109.2 million. The total post-notice accused-product revenue generated by Lumicore is substantially greater. This financial magnitude underscores the commercial significance of Lumicore's decision to continue infringing during the post-notice period—Lumicore was not passively selling a legacy product while seeking a design-around; it was actively growing a multi-product business built on OWS's patented technology.
5. No Steps to Cease or Curtail Infringement
As discussed further under Factor 7, Lumicore has taken no steps to cease infringement, design around the asserted patents, or seek a license at any point during the pendency of the lawsuit. The infringement continues unabated as of the date of this memorandum.
6. Net Assessment
Factor 6 strongly favors enhancement. The extended and escalating nature of Lumicore's infringement—launching new infringing products after notice rather than curtailing infringing activity—is a hallmark of the type of "egregious conduct" that the Supreme Court identified in Halo as warranting enhanced damages. See Halo, 579 U.S. at 103–04; see also Eko Brands, LLC v. Adrian Rivera Maynez Enters., Inc., 946 F.3d 1367, 1379 (Fed. Cir. 2020) (affirming enhancement where infringer continued infringing activity after notice and throughout litigation).
Factor 7: Remedial Action
Assessment: Strongly favors OWS (enhancement)
The seventh Read factor evaluates whether the infringer took remedial action to address the alleged infringement. Remedial action can include ceasing sales of the accused products, designing around the asserted patents, engaging constructively in licensing negotiations, or setting aside royalty payments in escrow pending resolution. An infringer that takes meaningful remedial steps demonstrates respect for the patent holder's rights, even if the infringer ultimately contests infringement; conversely, an infringer that takes no remedial action demonstrates a calculated indifference to the patent holder's rights.
1. Complete Absence of Remedial Action
The record in this case is stark: Lumicore has taken zero remedial action of any kind. Specifically:
• No product withdrawal or sales suspension. Lumicore has not withdrawn or suspended sales of any of the three accused products (LumiLink 400G-ZR+, LumiLink 800G-DR8, or LumiEdge 1600G-LR) in any market, to any customer, at any time. All three products remain commercially available and are actively marketed.
• No design-around. Lumicore has not implemented or announced any design-around for any of the accused products. As noted in the Factor 2 analysis, Raymond Bautista admitted during his December 3, 2024 deposition that no formal design-around analysis was even commissioned before the LumiEdge 1600G-LR launch in Q4 2023. There is no evidence in the record of any subsequent design-around effort for any accused product.
• No voluntary cessation. Lumicore has not voluntarily ceased manufacturing, importing, offering for sale, or selling any accused product in any market segment or geographic territory.
• No constructive licensing engagement. Despite OWS's and FairPoint's licensing outreach—two written licensing letters and one in-person meeting—Lumicore summarily declined to negotiate. As Angela Reeves testified at her December 10, 2024 deposition, Lumicore showed "no interest in negotiating" at the April 20, 2023 Austin meeting. Lumicore's July 10, 2023 declination letter closed the door on further licensing discussions without any counterproposal or indication of willingness to engage.
• No royalty escrow. Lumicore has not offered to set aside royalty payments in escrow pending resolution of the litigation—a step that, while not required, would demonstrate good faith and would mitigate the argument that Lumicore is enjoying the benefit of OWS's patented technology without compensation during the pendency of the lawsuit.
2. Lumicore's Own Redesign Estimate
The absence of remedial action is all the more notable in light of Lumicore's own estimate, produced in discovery, that redesigning the accused products to avoid the asserted patents would require 18–24 months. This estimate confirms that a design-around is technically feasible—it is not the case that Lumicore is technologically locked in to the infringing architecture with no way out. Rather, Lumicore has chosen not to pursue a design-around because of the cost and time involved—a purely economic calculation that prioritizes short-term revenue over compliance with OWS's patent rights.
Moreover, the 18–24 month redesign timeline means that even if Lumicore had commenced a design-around effort immediately upon receiving the first FairPoint notice letter in January 2023, the redesigned products could have been available by mid-2024 to early 2025—well before trial. Lumicore's failure to begin this process is a choice, not a constraint.
3. Net Assessment
Factor 7 strongly favors enhancement. Lumicore's total absence of remedial action, even after actual notice and the commencement of litigation, is among the most significant factors supporting maximum enhancement. An infringer that takes no steps whatsoever to address the alleged infringement—no design-around, no product withdrawal, no licensing engagement, no escrow—sends a clear signal that it views the patent holder's rights as an obstacle to be litigated away rather than respected. This is precisely the type of conduct that enhanced damages under § 284 are designed to deter.
Factor 8: Motivation for Harm