PRIVILEGED AND CONFIDENTIAL — ATTORNEY WORK PRODUCT
OUTLINE OF DEFENDANT'S ECONOMIC EXPERT REPORT (PRELIMINARY) — SCOPE AND METHODOLOGY
This memorandum is protected attorney work product prepared in anticipation of litigation and reflects attorney mental impressions and strategy. It also contains information subject to the consulting expert privilege. Not to be disclosed outside the litigation team without prior authorization from Elaine Forsythe or Catherine Ng.
Prepared by: Aaron Liu, Lead Associate, Antitrust & Competition, Calderwood & Harkness LLP
In coordination with: Dr. Priya Narasimhan, Managing Director, Ellsworth Economic Consulting LLC, 1455 Pennsylvania Avenue NW, Suite 850, Washington, D.C. 20004
Reviewed by: Elaine Forsythe, Responsible Partner, Antitrust & Competition, Calderwood & Harkness LLP
Date: Originally prepared December 2022; updated periodically through FCC proceeding; current revision dated April 18, 2024
Matter: Ridgepoint Communications Inc. v. Northgate Networks America Inc. et al., Case No. 1:22-cv-01487-CMW (E.D. Va., Alexandria Division); and FCC Docket No. WC-23-0042
Engagement Reference: C&H-2022-ATR-00419
Privilege Designation: This memorandum is protected attorney work product prepared in anticipation of litigation and reflects attorney mental impressions and strategy. It also contains information subject to the consulting expert privilege under Federal Rule of Civil Procedure 26(b)(4)(D). No portion of this memorandum, nor any draft, summary, or derivative thereof, may be disclosed outside the litigation team — defined to include the attorneys and staff of Calderwood & Harkness LLP, the attorneys and staff of Northgate Networks America Inc.'s in-house legal department, and the personnel of Ellsworth Economic Consulting LLC assigned to this engagement — without prior written authorization from Elaine Forsythe or Catherine Ng.
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I. Purpose and Status of This Outline
This outline sets forth the proposed scope, methodology, and preliminary conclusions for the economic expert report to be authored by Dr. Priya Narasimhan of Ellsworth Economic Consulting LLC on behalf of Northgate Telecommunications PLC and its wholly owned U.S. subsidiary, Northgate Networks America Inc. (collectively, "Northgate" or "Defendants"). Dr. Narasimhan's engagement encompasses three principal workstreams: (i) market definition analysis (product and geographic), (ii) competitive effects modeling with respect to the challenged refusal-to-deal conduct, and (iii) damages rebuttal and affirmative damages analysis responsive to the opinions offered by Plaintiff's retained economic expert, Dr. Leonard Kuo.
Dr. Narasimhan's engagement spans both the pending district court litigation — Ridgepoint Communications Inc. v. Northgate Networks America Inc. et al., Case No. 1:22-cv-01487-CMW, before the Honorable Claudia M. Wentworth, United States District Court for the Eastern District of Virginia, Alexandria Division — and the parallel administrative proceeding before the Federal Communications Commission, Docket No. WC-23-0042, before Administrative Law Judge Robert Fenwick. The scope of her analysis is designed to be consistent across both fora, while recognizing the different procedural and evidentiary frameworks that apply in each.
As of the date of this revision, the district court action has been stayed since March 14, 2023, pursuant to the court's order granting Defendants' motion to stay pending resolution of the FCC proceeding. Formal expert discovery under Federal Rule of Civil Procedure 26(a)(2) has not yet commenced, and no scheduling order governing expert report deadlines is currently in effect. This outline is intended to serve as an internal planning document for the litigation team and as the framework for the formal expert report that will be prepared and filed when the stay is lifted and expert reports become due under a scheduling order to be entered by Judge Wentworth.
To date, Ellsworth Economic Consulting LLC has billed a total of $412,000 in professional fees and costs in connection with this engagement. These fees reflect preliminary analysis, data gathering and review, support for the evidentiary hearing in the FCC proceeding (held January 22–24, 2024), and preparation of the analytical framework described herein.
Dr. Narasimhan's qualifications for this engagement are substantial and directly relevant. She is the Managing Director of Ellsworth Economic Consulting LLC, a Washington, D.C.-based economic consulting firm specializing in telecommunications, media, and technology regulation and competition matters. Prior to founding Ellsworth, Dr. Narasimhan served as Chief Economist of the FCC's Wireline Competition Bureau, where she oversaw economic analysis of interconnection, access charges, and broadband deployment policy. She holds a Ph.D. in Economics from the Massachusetts Institute of Technology and has published extensively on telecommunications market definition and antitrust economics. Her full curriculum vitae is attached as Appendix F and will be provided as required under Rule 26(a)(2)(B).
II. Background Summary of the Dispute
A. The Parties
1. Northgate Telecommunications PLC and Northgate Networks America Inc.
Northgate Telecommunications PLC ("Northgate PLC") is a publicly traded telecommunications and software-as-a-service ("SaaS") company headquartered in the United Kingdom. The company's American Depositary Receipts ("ADRs") are listed on the Nasdaq Stock Market under the ticker symbol NTP. Northgate PLC operates in the United States through its wholly owned subsidiary, Northgate Networks America Inc. ("Northgate America"), a Delaware corporation with its principal place of business at 8200 Dulles Corner Boulevard, Suite 1100, Tysons Corner, Virginia 22182.
Northgate America owns and operates approximately 42,000 route-miles of fiber-optic backbone and metropolitan-ring infrastructure across 18 U.S. states, with its densest network concentration along the eastern seaboard. The company provides enterprise cloud-connectivity services and operates SaaS-based network management platforms marketed under the NorthgateOS™ brand, which enables enterprise customers to provision, monitor, and manage their connectivity through a unified software interface.
For the fiscal year ended December 31, 2022, Northgate PLC reported consolidated revenue of £4.87 billion, equivalent to approximately $5.96 billion at the average exchange rate of $1.2236 per £1 for the period. U.S. revenue generated through Northgate America and related domestic operations totaled approximately $2.41 billion, representing approximately 40.4% of consolidated revenue. As of September 2022, Northgate PLC's aggregate market capitalization was approximately $11.3 billion based on the closing price of its ADRs on the Nasdaq.
2. Ridgepoint Communications Inc.
Ridgepoint Communications Inc. ("Ridgepoint") is a Delaware corporation operating as a competitive local exchange carrier ("CLEC") and enterprise broadband provider in five states: Pennsylvania, New Jersey, Delaware, Maryland, and Virginia. Ridgepoint owns and leases approximately 6,200 route-miles of fiber-optic infrastructure across its service territory and reported fiscal year 2022 revenue of approximately $387 million. The company employs approximately 1,450 people.
Ridgepoint has been majority-owned (78% equity) by Caravel Capital Partners LP, a mid-market private equity fund, since November 2018, when Caravel completed a leveraged buyout of the company in a transaction valued at approximately $510 million. The remaining 22% equity is retained by the founding Trent family. Gregory Trent, the company's founder, continues to serve as Chief Executive Officer.
3. Plaintiff's Counsel
Ridgepoint is represented in this matter by Hargrove, Winslow & Burke LLP, with lead partner Victoria Hargrove and senior associate Daniel Stoyanov serving as the primary attorneys of record. The firm has been retained on a partial contingency fee arrangement consisting of a reduced hourly rate plus 20% of any recovery obtained through judgment or settlement.
B. The Alleged Conduct
Between approximately March 2021 and August 2022, Ridgepoint submitted a series of interconnection and physical colocation requests directed at 14 Northgate central-office and meet-me-room facilities located throughout the Mid-Atlantic region, specifically within the Philadelphia–Baltimore–Washington, D.C. metropolitan corridor. The full list of the 14 disputed facilities, including their addresses and technical specifications, is set forth in Appendix A to this outline.
Northgate declined each of Ridgepoint's requests. The stated bases for Northgate's denials were threefold. First, Northgate cited physical capacity constraints at the specific facilities in question, each of which was operating at or above 85% utilization of available colocation space at the time of the requests. Second, Northgate noted the absence of any prior course of dealing with Ridgepoint at those particular locations, which complicated the operational integration that colocation arrangements require. Third, and most centrally, Northgate invoked its Wholesale Access Policy ("WAP"), which was adopted in January 2020 and established a minimum annual revenue commitment of $5 million for any third-party physical colocation arrangement at Northgate facilities.
Ridgepoint's aggregate annual spending with Northgate at the time of its requests was approximately $1.8 million for fiscal year 2021, well below the $5 million WAP threshold. This spending was concentrated in the parties' pre-existing relationship at three facilities in northern Virginia, governed by a Master Interconnection Agreement ("MIA") dated June 15, 2015. The MIA expired by its terms on June 14, 2020, and Ridgepoint has continued to occupy space at those three facilities on a month-to-month holdover basis at 120% of the prior contractual rate. Specifically, the holdover rate is $14,400 per month per facility, compared to the prior contractual rate of $12,000 per month per facility, resulting in a holdover premium of $2,400 per month per facility and an aggregate holdover premium of $7,200 per month, or $86,400 per year across the three facilities.
C. Ridgepoint's Claims
Ridgepoint has asserted a single count under Section 2 of the Sherman Act, 15 U.S.C. § 2, alleging that Northgate has engaged in monopolization through an unlawful refusal to deal. Ridgepoint contends that Northgate possesses monopoly power in the relevant market and that its refusal to grant interconnection and colocation access at the 14 disputed facilities constitutes willful maintenance of that monopoly power through exclusionary conduct.
Ridgepoint claims damages of $127 million in lost profits over a five-year projection period from 2022 through 2027, which it seeks to treble to $381 million pursuant to Section 4 of the Clayton Act, 15 U.S.C. § 15. In addition to monetary damages, Ridgepoint seeks permanent injunctive relief compelling Northgate to provide interconnection and colocation access at all 14 disputed facilities on commercially reasonable terms and conditions.
D. Plaintiff's Expert — Dr. Leonard Kuo
Ridgepoint has retained Dr. Leonard Kuo as its economic expert for purposes of both the district court litigation and the FCC proceeding. Dr. Kuo is a Professor of Economics at Cavendish University and was retained by Hargrove, Winslow & Burke LLP. His preliminary opinions, as communicated through Ridgepoint's filings in the FCC proceeding and informal discovery exchanges, include the following:
(a) The relevant product market is "last-mile enterprise fiber-optic transport services (lit and dark fiber) with speeds of 1 Gbps and above, sold to enterprise and government customers."
(b) The relevant geographic market is the "Philadelphia–Baltimore–Washington, D.C. metropolitan corridor," encompassing portions of Pennsylvania, New Jersey, Delaware, Maryland, Virginia, and the District of Columbia.
(c) Northgate holds a market share of approximately 68% in the relevant market as defined.
(d) Ridgepoint has suffered lost profits of $127 million over the five-year period from 2022 through 2027 as a proximate result of Northgate's refusal to deal, which amount should be trebled to $381 million under the Clayton Act.
Each of these opinions is addressed in the relevant sections of this outline.
III. Proposed Scope of Dr. Narasimhan's Expert Report
A. Overview of Report Sections
Dr. Narasimhan's formal expert report, when drafted, is expected to be organized into five principal sections, each addressing a distinct element of the economic analysis necessary to evaluate the claims and defenses in this matter:
Section 1: Market Definition (Product and Geographic). This section will present Dr. Narasimhan's analysis of the relevant product and geographic markets, rebut Dr. Kuo's proposed narrow market definitions, and set forth the broader market definitions that she concludes are economically and analytically sound.
Section 2: Market Share and Market Power Analysis. This section will present corrected market share calculations under the properly defined relevant market and assess whether Northgate possesses the degree of market power necessary to sustain a claim of monopolization under Section 2 of the Sherman Act.
Section 3: Competitive Effects — Assessment of Refusal-to-Deal Conduct. This section will evaluate the competitive effects of Northgate's challenged conduct, including the economic rationality of the Wholesale Access Policy, the absence of short-run profit sacrifice, and the lack of demonstrable competitive harm to Ridgepoint or the market.
Section 4: Damages Rebuttal and Affirmative Damages Analysis. This section will identify specific methodological flaws in Dr. Kuo's $127 million lost-profits estimate and present Dr. Narasimhan's own corrected damages analysis, yielding a substantially lower estimate in the range of $18–$24 million pre-trebling.
Section 5: Rebuttal of Dr. Kuo's Specific Opinions. This section will provide a systematic, point-by-point rebuttal of each of Dr. Kuo's opinions, including a detailed rebuttal matrix and identification of potential Daubert challenges.
B. Dual Deployment
It bears noting that portions of Dr. Narasimhan's analysis have already been deployed in connection with the FCC proceeding. Specifically, her preliminary work on market definition and the economic analysis of the Wholesale Access Policy informed Northgate's pre-hearing brief and supported the testimony presented during the evidentiary hearing before ALJ Fenwick on January 22–24, 2024 regarding the commercially reasonable nature of the WAP. The post-hearing briefs filed on March 15, 2024, and the reply briefs filed on April 12, 2024, similarly drew upon the analytical framework set forth in this outline.
The full expert report, incorporating the complete damages rebuttal and the point-by-point rebuttal of Dr. Kuo's opinions, is intended for deployment in the district court case when discovery resumes after the stay is lifted. Care will be taken to ensure that positions advanced in the FCC proceeding and in the district court litigation are fully consistent, and Dr. Narasimhan is prepared to testify in both fora as required. Coordination with Northgate's regulatory expert, Dr. Anton Berger, on this point is addressed in Section X.C below.
IV. Section 1: Relevant Market Definition
A. Rebuttal of Plaintiff's Proposed Product Market
Dr. Kuo defines the relevant product market as "last-mile enterprise fiber-optic transport services (lit and dark fiber) with speeds of 1 Gbps and above, sold to enterprise and government customers." This definition limits the market exclusively to fiber-optic connectivity, excluding all other technologies capable of providing high-speed transport to enterprise and government customers at comparable speed tiers.
Dr. Narasimhan will demonstrate that this product market definition is artificially narrow and inconsistent with standard antitrust market definition methodology, specifically the hypothetical monopolist test (also referred to as the SSNIP test — Small but Significant Non-transitory Increase in Price). Under the hypothetical monopolist test, a market is properly defined to include all products to which a sufficient number of customers would switch in response to a small but significant (typically 5–10%) non-transitory increase in price by a hypothetical monopolist of the candidate product, such that the price increase would be unprofitable. Dr. Kuo's fiber-only definition fails to account for the substitution that enterprise and government customers would undertake — and that the evidence demonstrates they do undertake — in response to price increases for fiber-optic transport services.
Dr. Narasimhan will demonstrate, through rigorous demand-side substitution analysis, that enterprise customers in the relevant geographic area treat the following products and services as economic substitutes for fiber-optic last-mile transport:
Cable-based broadband services. The deployment of DOCSIS 3.1 and DOCSIS 4.0 technologies by major cable operators has enabled cable-based delivery of broadband at speeds of 1 Gbps and above to enterprise customers. Several cable operators in the Mid-Atlantic corridor now offer enterprise-grade cable broadband services with service-level agreements, dedicated bandwidth, and managed network capabilities that are functionally comparable to fiber-based enterprise transport for a significant segment of enterprise demand. Dr. Narasimhan will present evidence of enterprise customer migration from fiber to cable-based alternatives and price-sensitivity data demonstrating that a SSNIP on fiber services would cause meaningful substitution toward cable.
Fixed wireless access (FWA) services. FWA services, including millimeter-wave (mmWave) and Citizens Broadband Radio Service (CBRS)-based offerings, have been increasingly deployed for enterprise last-mile connectivity in metropolitan areas throughout the corridor. Major wireless carriers and specialized FWA providers now offer enterprise-grade FWA services at speeds of 1 Gbps and above in dense urban and suburban environments. The FCC's own data on FWA deployment demonstrates that this technology is a viable and growing competitive alternative for enterprise customers, particularly those located in buildings not currently served by fiber or where fiber build-out costs would be prohibitive. Dr. Narasimhan will present deployment data, customer adoption metrics, and pricing comparisons demonstrating that FWA is a meaningful substitute for fiber-based enterprise transport in the relevant territory.
Wholesale ethernet services. Third-party carriers and data center operators provide wholesale ethernet services that enable enterprise customers to obtain high-speed transport without a direct fiber connection to a particular carrier's central office or meet-me room. These services are available through carrier-neutral data centers, ethernet exchanges, and other wholesale platforms operating in the corridor. Enterprise customers frequently use wholesale ethernet as a substitute for or complement to direct fiber colocation arrangements. Dr. Narasimhan will present evidence of wholesale ethernet pricing, availability, and customer adoption patterns in the corridor.
The methodology for this analysis will include multiple evidentiary approaches: (i) direct demand-side substitution analysis based on observed customer switching behavior; (ii) price correlation studies examining whether prices of fiber transport and alternative technologies move together, as would be expected of products in the same economic market; (iii) analysis of industry reports and surveys documenting enterprise customer procurement patterns and technology preferences; (iv) FCC data on broadband deployment and competitive availability; and (v) evidence from customer requests for proposals ("RFPs") and procurement documentation demonstrating that enterprise customers solicit and evaluate multiple transport technologies in parallel.
B. Proposed Broader Product Market Definition
Based on the foregoing analysis, Dr. Narasimhan's proposed product market definition is as follows:
"Enterprise high-speed transport services (1 Gbps and above), including fiber-optic, cable, fixed wireless, and wholesale ethernet, sold to enterprise and government customers."
This broader definition encompasses all transport technologies capable of delivering 1 Gbps or higher speeds to enterprise and government customers, irrespective of the physical medium or technology employed. It reflects the economic reality that enterprise customers evaluate and select among these alternatives based on price, performance, reliability, and availability, and that a hypothetical monopolist of fiber-only transport would be unable to profitably impose a SSNIP because sufficient numbers of customers would switch to cable, FWA, or wholesale ethernet alternatives.
This broader product market definition is consistent with the FCC's own classification of broadband competition. The FCC's annual Broadband Deployment Reports and its Form 477 data collection framework classify broadband availability without limiting the analysis to a single technology. The FCC has consistently recognized that cable, fiber, and fixed wireless technologies compete with one another in the provision of high-speed broadband services to all customer segments, including enterprise and government customers. Dr. Narasimhan's broader market definition is therefore supported not only by standard antitrust economic methodology but also by the regulatory agency with the most direct expertise in telecommunications competition.
Dr. Narasimhan will perform a cross-elasticity of demand analysis between fiber-optic transport and each of the alternative technologies (cable, FWA, and wholesale ethernet). Cross-elasticity measures the responsiveness of demand for one product to a change in the price of another; high positive cross-elasticities indicate that the products are economic substitutes and should be included in the same relevant market. Preliminary indications from the data already gathered by Ellsworth suggest that cross-elasticities between fiber transport and cable/FWA/ethernet alternatives are sufficiently high to support inclusion in a single relevant market.
C. Rebuttal of Plaintiff's Proposed Geographic Market
Dr. Kuo defines the relevant geographic market as the "Philadelphia–Baltimore–Washington, D.C. metropolitan corridor," encompassing portions of Pennsylvania, New Jersey, Delaware, Maryland, Virginia, and the District of Columbia. While this corridor-level definition may appear geographically intuitive, it suffers from two related analytical deficiencies.
First, the corridor-wide definition masks substantial variation in competitive conditions at the local and building level. Enterprise connectivity is fundamentally a location-specific service: the competitive alternatives available to a customer in a Class A office building in downtown Philadelphia are quite different from those available to a customer in a suburban office park in Wilmington, Delaware, or a data center campus in Ashburn, Virginia. A corridor-wide definition aggregates these disparate competitive environments in a way that can distort market share calculations and competitive assessments. To the extent a granular analysis is appropriate, the competitive picture is significantly more favorable to Northgate, as many individual building locations and meet-me rooms are served by multiple competing carriers.
Second, if the geographic market is properly analyzed at the metropolitan statistical area ("MSA") level — as is more consistent with antitrust practice in telecommunications markets — additional competitors operate within each constituent MSA that are not captured by Dr. Kuo's corridor-wide analysis. For example, certain fiber providers that operate primarily within the Philadelphia MSA or the Baltimore MSA may not have a significant presence across the entire corridor but are nevertheless meaningful competitive alternatives for customers within those MSAs.
Dr. Narasimhan will perform a rigorous geographic market analysis using the following data and methods:
(a) FCC Form 477 deployment data by census block. This data provides granular information on the availability of broadband services (by technology and speed tier) at the census-block level, allowing for a location-specific assessment of competitive alternatives.
(b) Analysis of competitive alternatives available at or near the 14 disputed facilities. Dr. Narasimhan will identify the specific carriers and technologies available at each of the 14 facilities and in their immediate vicinity, demonstrating that Ridgepoint has multiple alternative means of reaching enterprise customers even absent access to Northgate's facilities.
(c) Assessment of supply-side substitutability. This analysis will evaluate the ability of competitors to extend their networks to serve enterprise buildings in the corridor within a reasonable timeframe and at reasonable cost. Where supply-side substitution is feasible, even carriers not currently serving a particular location should be considered potential competitors and included in the geographic market analysis.
(d) Elzinga-Hogarty test or equivalent. Where appropriate, Dr. Narasimhan will apply the Elzinga-Hogarty shipment test (adapted for telecommunications services) or an equivalent methodology to delineate geographic market boundaries based on the flow of services into and out of the candidate geographic area.
D. Data Sources for Market Definition
The market definition analysis will draw upon the following primary data sources:
(a) FCC Form 477 filings and the newer Broadband Data Collection ("BDC") records, which provide detailed data on broadband availability by technology, speed tier, and geography.
(b) Northgate's internal business records, including facility-level data on capacity utilization, customer lists, revenue by facility, and competitive intelligence reports.
(c) Industry databases, including Brightwater Solutions, carrier route maps, and data center inventories that document the physical network infrastructure of competing carriers in the corridor.
(d) Public filings and earnings reports of cable and wireless competitors operating in the corridor, including filings with the Securities and Exchange Commission, state public utility commissions, and the FCC.
(e) Customer contract and RFP data showing multi-technology procurement patterns — i.e., evidence that enterprise customers solicit proposals from providers across multiple technology platforms (fiber, cable, FWA, ethernet) in the same procurement, demonstrating that these technologies are demand-side substitutes.
V. Section 2: Market Share and Market Power Analysis
A. Plaintiff's 68% Market Share Figure
Dr. Kuo's preliminary report alleges that Northgate holds a market share of approximately 68% of enterprise fiber-optic last-mile connections in the Philadelphia–Baltimore–Washington, D.C. corridor. This figure is the foundation of Plaintiff's monopoly power argument, as a 68% share, combined with evidence of barriers to entry, could potentially support an inference of monopoly power sufficient to sustain a Section 2 claim.
However, this 68% figure is a direct and inescapable artifact of Dr. Kuo's artificially narrow product market definition. By excluding cable-based broadband, fixed wireless access, and wholesale ethernet from the denominator, Dr. Kuo inflates Northgate's apparent share in a manner that would not survive scrutiny under the properly defined broader market.
Beyond the market definition issue, Dr. Narasimhan has identified additional methodological concerns with Dr. Kuo's share calculation. His methodology for counting and measuring market share is not transparent in the materials provided to date. It is unclear whether his 68% figure is based on the number of physical connections, revenue, bandwidth capacity, or some other metric. The choice of metric can significantly affect the resulting share figure, and Dr. Kuo does not appear to have tested his conclusions across multiple metrics to ensure robustness. Furthermore, the underlying data relied upon by Dr. Kuo appears to be incomplete; his analysis does not appear to incorporate the most recent FCC Form 477 or BDC data, and it is unclear whether he has accounted for competitive entry and expansion that occurred in the corridor during the 2021–2023 period.
B. Dr. Narasimhan's Corrected Market Share Analysis
Under the properly defined broader market — enterprise high-speed transport services (1 Gbps and above), including fiber-optic, cable, fixed wireless, and wholesale ethernet — Northgate's market share drops to approximately 31%. This represents a reduction of more than half from Dr. Kuo's 68% figure and reflects the inclusion of the substantial competitive capacity provided by cable operators, FWA providers, and wholesale ethernet carriers in the corridor.
Dr. Narasimhan's share calculations have been performed using three independent metrics: revenue, number of enterprise connections, and bandwidth capacity. All three metrics yield market shares for Northgate in the range of 28% to 34%, with a central estimate of approximately 31%. The consistency of the result across multiple metrics provides strong confirmation that the 31% figure is robust and not an artifact of metric selection.
Under the broader market definition, multiple significant competitors operate in the corridor. These include, but are not limited to:
(a) Other fiber-optic providers with substantial route-mile footprints and enterprise customer bases in the corridor, including both incumbent local exchange carriers and competitive carriers.
(b) Cable operators offering enterprise-grade broadband services using DOCSIS 3.1 and 4.0 technologies, with dedicated enterprise sales teams, service-level agreements, and managed network offerings that compete directly with fiber-based enterprise transport.
(c) Fixed wireless access operators, including major wireless carriers deploying mmWave and CBRS-based enterprise FWA services in metropolitan areas throughout the corridor.
(d) Wholesale ethernet providers and data center operators providing cross-connect and last-mile alternatives through carrier-neutral facilities in the corridor, enabling enterprise customers to access high-speed transport without reliance on any single carrier's colocation facilities.
Importantly, Ridgepoint itself is a significant competitive carrier in the region. With approximately 6,200 route-miles of owned and leased fiber and $387 million in annual revenue, Ridgepoint is by no means a marginal or fringe competitor that has been driven from the market. Its substantial network infrastructure and customer base demonstrate that it competes vigorously in the corridor, notwithstanding the challenged refusal to deal.
C. Market Power Assessment
Even under Dr. Kuo's narrow market definition, a 68% market share alone does not establish monopoly power. The Supreme Court and the Fourth Circuit have consistently held that market share is a necessary but not sufficient condition for a finding of monopoly power; the plaintiff must also demonstrate that the defendant has the ability to control prices or exclude competition, typically evidenced by high barriers to entry and the absence of meaningful competitive constraints. See, e.g., Calderon Industries v. Image Technical Services, Inc., 504 U.S. 451 (1992); United States v. Grinnell Corp., 384 U.S. 563 (1966).
Under the properly defined broader market, with Northgate's share at approximately 31%, Northgate lacks market power as a matter of law. A 31% market share is well below the threshold typically required to sustain a Section 2 monopolization claim. Courts have generally held that market shares below 50% are insufficient to support a finding of monopoly power, and most successful monopolization cases involve shares in excess of 70%. At 31%, Northgate is one of several significant competitors in the market, and the market share evidence is inconsistent with the exercise of monopoly power.
Dr. Narasimhan's analysis will also address barriers to entry in the relevant market. Contrary to the assumptions that may underlie Dr. Kuo's analysis, barriers to entry in the enterprise high-speed transport market in the corridor are relatively low and declining:
(a) Fiber overbuilding in metropolitan areas, while capital-intensive, is a well-established business model with multiple recent entrants and expansion announcements in the corridor. Municipal permitting processes for fiber construction have been increasingly streamlined in response to federal, state, and local broadband deployment initiatives.
(b) Fixed wireless access entry requires minimal capital expenditure compared to fiber construction. FWA providers can deploy enterprise-grade service using existing wireless infrastructure (tower sites, rooftop antennas) and commercially available equipment, enabling rapid market entry at a fraction of the cost of a fiber build.
(c) Multiple competitors have announced or commenced expansion plans in the corridor during the relevant period, further undermining the proposition that entry barriers are sufficient to sustain monopoly power.
Finally, Dr. Narasimhan will address the role of buyer power as a constraint on any putative market power by Northgate. Enterprise and government customers in the corridor are sophisticated purchasers with dedicated procurement teams. These customers routinely conduct competitive RFP processes in which they solicit and evaluate bids from multiple providers across multiple technology platforms. Many enterprise customers practice multi-sourcing as a deliberate risk-management strategy, dividing their connectivity needs among two or more providers to avoid dependence on any single carrier. This buyer sophistication and multi-sourcing behavior further constrains Northgate's ability to exercise market power, even assuming a higher market share than the evidence supports.
VI. Section 3: Competitive Effects — Assessment of Refusal-to-Deal Conduct
A. Economic Analysis of the Wholesale Access Policy
The Wholesale Access Policy ("WAP"), adopted by Northgate in January 2020, establishes a minimum annual revenue commitment of $5 million for any new third-party physical colocation arrangement at Northgate facilities. Dr. Narasimhan will demonstrate that the WAP is economically rational and represents a legitimate business decision, not an anticompetitive stratagem. The economic justification for the WAP rests on several interrelated factors.
First, the 14 disputed facilities are capacity-constrained, each operating at 85% or greater utilization of available colocation space. Physical colocation space in central offices and meet-me rooms is a finite resource, and the allocation of that space among competing claimants necessarily involves trade-offs. Northgate's decision to prioritize higher-revenue wholesale partners in the allocation of scarce capacity is a standard and economically rational business practice.
Second, accommodating additional colocation tenants imposes marginal costs on Northgate that extend beyond the mere provision of physical space. These costs include power and cooling (HVAC) requirements for the colocation equipment, cross-connect provisioning and maintenance, physical security enhancements, and ongoing operational overhead associated with managing additional tenants. These marginal costs are non-trivial and must be weighed against the revenue that the colocation tenant will generate.
Third, there is a significant opportunity cost associated with dedicating limited colocation space to lower-revenue customers rather than to higher-value wholesale partners. Each rack unit or cage allocated to a tenant generating $1.8 million per year (as Ridgepoint would generate at current spending levels) is a rack unit or cage that cannot be allocated to a tenant generating $5 million or more per year. The WAP threshold reflects Northgate's rational assessment of the minimum revenue level at which the allocation of scarce colocation capacity is economically justified.
Dr. Narasimhan will model the net present value of colocation capacity allocated to a customer at the $1.8 million annual revenue level (consistent with Ridgepoint's actual spending) compared to the net present value of the same capacity allocated to a customer at the $5 million or higher annual revenue level. This modeling will demonstrate that the WAP threshold is economically rational and represents a profit-maximizing — not an anticompetitive — policy. The modeling will account for the marginal costs of colocation, the opportunity cost of capacity allocation, and the expected duration of the colocation relationship under reasonable assumptions.
B. Analysis of Short-Run Profit Sacrifice
Under the refusal-to-deal doctrine as articulated by the Supreme Court in Aspen Skiing Co. v. Aspen Highlands Skiing Corp., 472 U.S. 585 (1985), and Harborview Holdings Inc. v. Law Offices of Curtis V. Trinko, LLP, 540 U.S. 398 (2004), a critical economic question in assessing whether a refusal to deal constitutes anticompetitive conduct is whether the defendant sacrificed short-run profits in order to achieve an anticompetitive end. The profit-sacrifice test asks whether the defendant's conduct would be irrational but for its tendency to eliminate or restrict competition.
Dr. Narasimhan will analyze whether Northgate's refusal to grant colocation access to Ridgepoint at the 14 disputed facilities represented a sacrifice of short-run profits. Her analysis will demonstrate that it did not, for several reasons:
(a) Northgate has not terminated its relationship with Ridgepoint or refused to deal with Ridgepoint entirely. Northgate continues to serve Ridgepoint on other routes and under the holdover arrangement at the three existing northern Virginia facilities. Indeed, the holdover arrangement generates revenue at a premium rate of $14,400 per month per facility (120% of the prior contractual rate), yielding aggregate holdover revenue of $43,200 per month, or $518,400 per year. This ongoing, profitable relationship is inconsistent with the proposition that Northgate is sacrificing profits to harm Ridgepoint.
(b) Northgate earns higher returns by allocating scarce colocation capacity at the 14 disputed facilities to wholesale partners meeting the $5 million annual revenue threshold. The refusal to extend colocation to a $1.8 million/year customer in favor of serving $5 million+/year customers is a straightforward profit-maximizing decision, not a profit sacrifice.
(c) There is no evidence in the record that Northgate forewent profitable transactions with Ridgepoint in order to harm Ridgepoint specifically. The WAP was adopted as a generally applicable policy in January 2020, applicable to all potential colocation tenants, not as a Ridgepoint-specific exclusion. Multiple other potential colocation tenants below the $5 million threshold have also been subject to the WAP, and there is no evidence that the policy was designed or implemented with the purpose of targeting Ridgepoint.
Dr. Narasimhan's conclusion on this point is that the WAP is profit-maximizing, not profit-sacrificing, behavior. The refusal to deal with Ridgepoint at the 14 disputed facilities does not satisfy the profit-sacrifice test under Aspen Skiing and Trinko, and accordingly cannot be characterized as anticompetitive conduct from an economic perspective.
C. Analysis of Competitive Harm
Even if Northgate's refusal to deal were deemed to involve some element of profit sacrifice — which Dr. Narasimhan does not concede — the plaintiff must still demonstrate that the refusal caused actual competitive harm: that is, that Ridgepoint was excluded from competing effectively in the relevant market, or that the refusal harmed the competitive process more broadly to the detriment of consumers.
Dr. Narasimhan will assess whether Ridgepoint was actually excluded from the market or was merely denied access to one input source among several. The distinction is critical. A refusal to deal that forecloses one avenue of competition but leaves the refused party with multiple other viable means of competing is unlikely to constitute the type of market-wide anticompetitive effect required to sustain a Section 2 claim. The evidence demonstrates that Ridgepoint has substantial alternative means of reaching enterprise customers in the corridor:
(a) Ridgepoint owns approximately 6,200 route-miles of fiber-optic infrastructure across its service territory, providing direct physical access to a significant number of enterprise buildings and data centers without any dependence on Northgate's facilities.
(b) Ridgepoint has the ability to lease last-mile fiber and colocation space from other carriers operating in the corridor, several of which offer competitive interconnection and colocation arrangements.
(c) Ridgepoint can reach enterprise customers using cable-based or FWA-based alternatives for last-mile connectivity where fiber is not available or not cost-effective.
(d) Carrier-neutral data centers and meet-me rooms operated by third parties are available throughout the corridor, providing colocation and cross-connect options that do not depend on access to any particular carrier's proprietary facilities.
Dr. Narasimhan will further analyze Ridgepoint's actual competitive performance in the period following Northgate's refusal. To the extent that data is available, she will examine Ridgepoint's revenue growth, customer acquisition rates, network expansion, and other indicia of competitive vitality in the corridor from 2021 through the present. If Ridgepoint continued to grow and compete effectively notwithstanding the refusal, this would provide strong evidence that the refusal did not cause the type of competitive harm necessary to sustain a monopolization claim.
VII. Section 4: Damages Rebuttal and Affirmative Damages Analysis
A. Critique of Dr. Kuo's $127 Million Lost-Profits Estimate
Dr. Kuo's preliminary damages estimate projects that Ridgepoint suffered $127 million in lost profits over a five-year period from 2022 through 2027 as a result of Northgate's refusal to provide interconnection and colocation access at the 14 disputed facilities. Under Section 4 of the Clayton Act, this amount would be trebled to $381 million. Dr. Narasimhan has identified the following key methodological flaws in Dr. Kuo's analysis:
1. Inflated Demand Projections
Dr. Kuo assumes that Ridgepoint, upon obtaining colocation access at the 14 Northgate facilities, would have captured a disproportionately large share of the enterprise customers accessible via those facilities. This assumption is unrealistic and unsupported by the evidence. Each of the 14 facilities is served by multiple competing carriers, and enterprise customers at those locations have existing relationships with their incumbent providers. Dr. Kuo fails to account for the competition that Ridgepoint would face from these other providers in the but-for world, resulting in demand projections that are significantly inflated relative to what Ridgepoint could reasonably have achieved.
2. Failure to Account for Alternative Infrastructure
Dr. Kuo's damages model does not adequately credit the alternative infrastructure available to Ridgepoint. In several instances, Ridgepoint could have reached — and in some cases did reach — the same enterprise customers through its own network, through leased facilities obtained from other carriers, or through carrier-neutral meet-me rooms. These alternative paths represent mitigation of the alleged harm and should be deducted from the damages calculation. By ignoring these alternatives, Dr. Kuo overstates the incremental harm attributable to Northgate's refusal.
3. Overstated Revenue per Connection
Dr. Kuo's assumed average revenue per enterprise connection appears to exceed market benchmarks based on publicly available data and industry reports. Dr. Narasimhan will present market-benchmark data on average revenue per enterprise connection in the corridor and demonstrate that Dr. Kuo's assumed figure is inflated, leading to an overstatement of lost revenues and, consequently, lost profits.
4. Unrealistic Ramp-Up Timeline
Dr. Kuo assumes near-immediate capture of enterprise customers upon interconnection at the 14 facilities. This assumption ignores the well-documented reality that enterprise sales cycles for large accounts in the telecommunications industry typically extend 6 to 18 months from initial solicitation to contract execution and service activation. Even in the but-for world where Ridgepoint obtained colocation access immediately, it would have taken considerable time to identify, solicit, win, and provision enterprise customers at each facility. Dr. Kuo's failure to model an appropriate ramp-up period results in a significant overstatement of lost profits in the early years of the projection.
5. Improper Projection Period
Dr. Kuo's five-year projection period from 2022 through 2027 extends well beyond any reasonable horizon of certainty given the rapid pace of technological change and competitive evolution in the telecommunications market. The enterprise high-speed transport market is characterized by ongoing technological disruption (including the emergence of FWA, 5G, and software-defined networking), frequent competitive entry and exit, and evolving customer preferences. Projecting lost profits five years into the future requires assumptions about market conditions that cannot be made with the degree of reliability required for an antitrust damages analysis. A shorter projection period of approximately three years would be more appropriate and more defensible.
6. Failure to Account for Capacity Constraints
Even in the but-for world where Northgate granted colocation access at all 14 facilities, the physical capacity constraints at those facilities (operating at 85% or greater utilization) would have limited the number of cross-connects that Ridgepoint could provision. Dr. Kuo's damages model does not appear to account for this capacity ceiling, effectively assuming that Ridgepoint could provision an unlimited number of cross-connects at each facility. This failure further inflates the damages estimate beyond what would have been achievable in the but-for world.
B. Dr. Narasimhan's Preliminary Damages Estimate
Having corrected for the methodological flaws identified above, Dr. Narasimhan's preliminary lost-profits analysis yields a damages range of $18 million to $24 million before trebling — i.e., $54 million to $72 million if trebled under the Clayton Act. This represents a reduction of approximately 81% to 86% from Dr. Kuo's $127 million estimate.
Dr. Narasimhan's corrected analysis employs the following methodology:
(a) Realistic demand curve. Rather than assuming disproportionate customer capture, Dr. Narasimhan models Ridgepoint's achievable market penetration based on actual customer addressability at the 14 facility locations, taking into account the enterprise customers served at each facility, the incumbent carrier relationships of those customers, and realistic competitive dynamics.
(b) Competition discount. Incremental revenues are properly discounted for competition from other carriers operating at and near each of the 14 facilities. Ridgepoint would not have won every customer it solicited, and the damages calculation must reflect the competitive reality of multi-carrier environments.
(c) Appropriate ramp-up period. Dr. Narasimhan models a 12- to 18-month ramp-up period before Ridgepoint reaches steady-state customer penetration at each facility, consistent with documented enterprise sales cycles in the telecommunications industry.
(d) Credit for alternative infrastructure. The damages calculation gives appropriate credit for the alternative means by which Ridgepoint could have reached (and in some cases did reach) enterprise customers in the corridor, including through its own network, leased facilities, and carrier-neutral colocation options.
(e) Market-benchmark revenue per connection. Dr. Narasimhan uses industry-benchmark data to estimate average revenue per enterprise connection, rather than the inflated figures employed by Dr. Kuo.
(f) Shorter projection period. Dr. Narasimhan employs a three-year projection period (2022–2025), which she considers the maximum horizon over which lost-profits projections can be made with reasonable economic certainty in the current telecommunications market environment.
A comprehensive sensitivity analysis will be performed across the key variables in the damages model, including customer capture rate, revenue per connection, ramp-up speed, projection period, and discount rate. This sensitivity analysis will demonstrate that the damages estimate is robust across a range of reasonable assumptions and will further highlight the sensitivity of the damages figure to the unrealistic assumptions embedded in Dr. Kuo's model.
C. But-For World Construction
Dr. Narasimhan will construct a detailed but-for world scenario to isolate the damages attributable to Northgate's refusal to deal. The but-for world is the hypothetical world in which the challenged conduct did not occur — i.e., the world in which Northgate granted Ridgepoint interconnection and colocation access at all 14 disputed facilities as of the date of the earliest denied request (March 2021). The damages analysis then measures the difference between Ridgepoint's economic position in the but-for world and its actual economic position.
The but-for world construction will include the following elements:
(a) Assumption of interconnection at all 14 facilities. The but-for world assumes that Ridgepoint obtained colocation access at all 14 facilities as of March 2021, the earliest date of Ridgepoint's denied requests.
(b) Modeling of incremental revenues. Dr. Narasimhan will model Ridgepoint's incremental revenues in the but-for world based on realistic customer capture rates, appropriate ramp-up timelines, and market-benchmark revenue per connection, as described above.
(c) Deduction of incremental costs. The but-for world analysis must account for the incremental costs that Ridgepoint would have incurred in order to exploit the colocation access, including colocation fees payable to Northgate, cross-connect provisioning costs, sales and marketing expenses to solicit enterprise customers at each facility, and network build-out costs to extend Ridgepoint's network from the meet-me rooms to enterprise customer premises.
(d) Calculation of incremental profit margin. The difference between incremental revenues and incremental costs yields the incremental profit (or loss) in the but-for world. This incremental profit figure, properly calculated and discounted to present value, represents the lost profits attributable to the refusal.
The but-for world analysis will carefully distinguish between damages attributable to Northgate's refusal and economic performance variations attributable to other factors, including general market conditions, competition from other carriers, Ridgepoint's own strategic decisions, and macroeconomic trends. Only the former is properly included in a damages calculation.
D. Relevance of Insurance Coverage to Exposure Assessment
Note for litigation team reference only — the following information is not for inclusion in the expert report or any disclosure to Plaintiff.
Northgate's Directors and Officers / Entity Liability Policy, issued by Clarendon Mutual Insurance Ltd., provides coverage with a $50 million per-occurrence limit and a $10 million self-insured retention. The excess tower consists of $30 million from Avalon Specialty Underwriters and $20 million from Pinnacle Re Ltd., bringing the total available coverage to $150 million across the primary and excess layers ($50 million Clarendon primary + $30 million Avalon + $20 million Pinnacle Re + $50 million = $150 million total tower, inclusive of the primary layer).
Dr. Narasimhan's rebuttal damages range of $18–$24 million pre-trebling ($54–$72 million trebled) falls within the total D&O tower, even at the trebled level. By contrast, Dr. Kuo's damages estimate of $127 million pre-trebling ($381 million trebled) would significantly exceed the total tower by more than $230 million. The disparity between the two damages estimates underscores the critical importance of the market definition and damages methodology disputes to Northgate's overall litigation exposure and reinforces the strategic value of Dr. Narasimhan's analysis.
VIII. Section 5: Specific Rebuttal of Dr. Kuo's Opinions
A. Credentials and Methodology Challenge
As a threshold matter, Dr. Narasimhan's report will assess whether Dr. Kuo's qualifications extend to the full scope of his proffered opinions. Dr. Kuo's academic specialization is in telecommunications market definition, and his published work focuses primarily on product and geographic market delineation in telecommunications markets. His qualifications in financial damages modeling — which constitutes a significant portion of his opinion (the $127 million lost-profits estimate) — are less clear. If Dr. Kuo lacks the specialized expertise in financial and economic damages analysis that is required to reliably perform lost-profits modeling, this presents a potential challenge under Daubert v. Merrell Dow Pharmaceuticals, Inc., 509 U.S. 579 (1993), and Rule 702 of the Federal Rules of Evidence.
Beyond the credentials question, Dr. Narasimhan will identify specific departures from accepted econometric and financial methodologies in Dr. Kuo's analysis. These include his failure to apply the standard SSNIP test for market definition, his reliance on incomplete data, and his use of speculative assumptions in the damages model, each of which is discussed in greater detail in the point-by-point rebuttal below.
B. Point-by-Point Rebuttal Matrix
Dr. Narasimhan's report will include a detailed rebuttal matrix addressing each of Dr. Kuo's opinions with the corresponding rebuttal analysis. The matrix will be organized as follows, with each row presenting Dr. Kuo's opinion, the basis for rebuttal, and Dr. Narasimhan's alternative conclusion:
A more detailed version of this matrix, with supporting citations to data, econometric analysis, and case law, will be included in the formal expert report. The matrix format is designed to facilitate efficient judicial review and to provide the court with a clear and direct comparison of the competing expert opinions.
C. Potential Daubert Challenges
Based on Dr. Narasimhan's preliminary review of Dr. Kuo's work product, the following potential bases for a motion to exclude Dr. Kuo's testimony under Daubert v. Merrell Dow Pharmaceuticals, Inc., 509 U.S. 579 (1993), and its progeny have been identified:
(a) Failure to apply the SSNIP / hypothetical monopolist test. Dr. Kuo's product market definition appears to have been derived without application of the standard SSNIP test or any rigorous demand-substitution analysis. This is a fundamental departure from accepted antitrust economic methodology and calls into question the reliability of his market definition opinion. Market definitions that are not grounded in the hypothetical monopolist framework are generally not accepted in antitrust litigation and have been excluded by courts as unreliable under Daubert.
(b) Reliance on incomplete or outdated data. Dr. Kuo's market share calculations and competitive analysis appear to rely on data that is incomplete (not incorporating the full universe of competitive alternatives) and potentially outdated (not reflecting the most recent FCC filings and industry developments). Expert opinions based on incomplete data may be excluded where the data gaps are material to the reliability of the conclusions.
(c) Failure to account for real-world substitution behavior. Dr. Kuo's analysis does not adequately account for the documented substitution behavior of enterprise customers in the corridor, who routinely evaluate and switch among fiber, cable, FWA, and wholesale ethernet alternatives. This failure renders his market definition and market share opinions disconnected from marketplace realities.
(d) Speculative damages methodology. Dr. Kuo's $127 million lost-profits estimate is grounded in speculative demand projections, inflated revenue assumptions, and an unrealistically long projection period. His failure to account for competition, ramp-up time, alternative infrastructure, and capacity constraints renders his damages opinion unreliable as a matter of economic methodology. Courts have excluded lost-profits opinions that are not grounded in reliable economic principles and that rest on speculation rather than data-driven analysis.
We recommend that the litigation team evaluate these potential Daubert challenges early and develop a strategy for filing a motion in limine to exclude or limit Dr. Kuo's testimony. Given the magnitude of the damages dispute ($127M vs. $18–$24M), the exclusion or limitation of even a portion of Dr. Kuo's opinions could have a significant impact on the case outcome.
IX. Data Requirements and discovery Needs
A. Data Already Available
The following categories of data and materials have already been gathered and are available for Dr. Narasimhan's analysis:
(a) Northgate internal facility data. Comprehensive data on capacity utilization, customer lists, revenue by facility, and operational cost data for each of the 14 disputed facilities, as well as for Northgate's broader network in the corridor. This data has been produced by Northgate's operations team and is maintained in the Concordia Review™ platform.
(b) Northgate WAP documentation. The Wholesale Access Policy, including the policy document itself, internal memoranda and analyses supporting the adoption of the $5 million minimum revenue threshold, financial models used to evaluate the policy, and board-level approvals of the policy.
(c) FCC Form 477 filings and Broadband Data Collection data. Publicly available data on broadband deployment and availability by technology, speed tier, and geography, including census-block-level data for the corridor. This data is current through the most recent filing period available.
(d) Industry databases and reports. Ellsworth has gathered data from Brightwater Solutions, carrier route databases, data center inventories, and industry analyst reports covering the competitive landscape in the Mid-Atlantic corridor.
B. Data Needed from discovery (Post-Stay)
Upon lifting of the stay and resumption of discovery, the following categories of data and materials will be needed to complete Dr. Narasimhan's analysis:
(a) Ridgepoint's internal business records. Customer lists, revenue data by account and geography, financial projections and business plans (particularly any projections prepared in connection with the Caravel Capital Partners LBO or subsequent board presentations), network maps and infrastructure inventories, and any internal assessments of alternative infrastructure options for reaching enterprise customers in the corridor.
(b) Ridgepoint's communications with Caravel Capital Partners LP. Communications between Ridgepoint management and Caravel Capital Partners LP regarding the litigation, expected recovery, litigation funding arrangements, and the impact of the litigation on Ridgepoint's valuation and financial performance. These materials are relevant to understanding the economic motivations underlying the litigation and the credibility o