Patent Armory Inc v. Wex Inc

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Patent Armory Inc. (Canada)
  • Defendant: Wex Inc. (Delaware)
  • Plaintiff's Counsel: Silverman, McDonald & Friedman; Rabicoff Law LLC
• Case Identification: 1:26-cv-00843, D. Del., 07/13/2026
• Venue Allegations: Venue is alleged to be proper in the District of Delaware because the Defendant is incorporated in Delaware, has an established place of business in the district, and has allegedly committed acts of infringement causing harm within the district.
• Core Dispute: Plaintiff alleges that Defendant infringes two patents related to intelligent call routing for call centers and auction-based systems for matching entities.
• Technical Context: The technology relates to computer-telephony integration (CTI) and automated resource allocation, specifically in the context of improving the efficiency and operational logic of call centers and other matching systems.
• Key Procedural History: The complaint does not mention any prior litigation involving the patents-in-suit, any post-grant administrative proceedings such as inter partes reviews, or any prior licensing history.

Case Timeline

Date	Event
2002-03-07	'979 Patent Priority Date
2003-03-07	'086 Patent Priority Date
2006-04-04	'979 Patent Issue Date
2016-09-27	'086 Patent Issue Date
2026-07-13	Complaint Filing Date

II. Technology and Patent(s)-in-Suit Analysis

U.S. Patent No. 7,023,979 - "Telephony control system with intelligent call routing"

• Patent Identification: U.S. Patent No. 7,023,979, "Telephony control system with intelligent call routing," issued April 4, 2006.

The Invention Explained

• Problem Addressed: The patent's background section describes inefficiencies in traditional call center management, where complex decision-making processes like skill-based routing are typically "externalized" from the low-level communication switch, leading to performance latencies and suboptimal agent assignments (e.g., the "over-skilled agent" and "under-skilled agent" problems) '979 Patent, col. 1:45-56 '979 Patent, col. 3:25-55
• The Patented Solution: The invention proposes integrating the intelligent routing logic directly into the low-level telephony control system itself '979 Patent, col. 7:26-34 The system uses a processor to compute an "optimum agent selection" by analyzing a "communications classification" against databases of agent skills and skill weights, and then "directly controlling" the routing of the call '979 Patent, abstract This architecture is intended to reduce latency by performing the complex analysis within the same system that manages the call switching, as illustrated in the flowchart in Figure 1, which details optimizing a cost-utility function as part of the routing decision '979 Patent, Fig. 1, step 312
• Technical Importance: This approach of embedding intelligent, multi-factor optimization within the CTI host, rather than an external management system, aimed to improve call center efficiency by enabling faster and more sophisticated real-time call routing decisions '979 Patent, col. 7:30-39

Key Claims at a Glance

The complaint asserts infringement of "one or more claims" of the '979 Patent, referring to non-provided exhibits for the specific "Exemplary '979 Patent Claims" Compl. ¶12 Compl. ¶14 Independent claim 1 includes the following essential elements:

• A communications management system comprising: an input for receiving a communications classification;
• a database of skill weights with respect to the communications classification;
• a database of agent skill scores; and
• a processor, for computing, with respect to the received communication classification, an optimum agent selection, the processor directly controlling a routing of the information representing the received call.

The complaint notes that infringement is asserted literally or by the doctrine of equivalents and reserves the right to pursue other claims Compl. ¶12

U.S. Patent No. 9,456,086 - "Method and system for matching entities in an auction"

• Patent Identification: U.S. Patent No. 9,456,086, "Method and system for matching entities in an auction," issued September 27, 2016.

The Invention Explained

• Problem Addressed: The patent identifies inefficiencies in traditional Internet auctions, such as a lack of real-time performance and the strategic limitations of simple proxy bidding, which can increase transaction costs '086 Patent, col. 37:59-38:22 It also incorporates the same call-center problems described in the '979 Patent, framing the matching of callers to agents as an auction-like allocation problem.
• The Patented Solution: The invention describes a method for matching entities by performing an automated, multifactorial optimization '086 Patent, abstract The system models the match as an auction, calculating an "economic surplus" for a given pairing while also considering the "opportunity cost" of making that second entity unavailable for other potential matches '086 Patent, abstract This allows for a more globally optimal allocation of resources by treating the matching process as a market-based mechanism, as depicted in the flowchart in Figure 7 '086 Patent, Fig. 7
• Technical Importance: The application of auction theory, including concepts like economic surplus and opportunity cost, to resource allocation problems like call routing provides a framework for more dynamic and efficient matching than simple skill-based rules '086 Patent, col. 73:7-15

Key Claims at a Glance

The complaint asserts infringement of "one or more claims" of the '086 Patent, referring to non-provided exhibits for the specific "Exemplary '086 Patent Claims" Compl. ¶18 Compl. ¶23 Independent claim 1 includes the following essential steps:

• storing in a memory inferential targeting parameters for a first subset of entities;
• storing in a memory characteristic parameters for a second subset of entities;
• performing, using an automated processor, an optimization with respect to at least an economic surplus of a respective mutually exclusive match of the first subset with the second subset, and an opportunity cost of the unavailability of the second subset for matching with an alternate subset of the first entities; and
• outputting a signal in dependence on the optimization.

The complaint alleges infringement literally or by the doctrine of equivalents and reserves the right to pursue other claims Compl. ¶18

III. The Accused Instrumentality

Product Identification

The complaint identifies the accused instrumentalities as the "Exemplary Defendant Products" Compl. ¶12 Compl. ¶18

Functionality and Market Context

The complaint does not name the accused products or describe their specific functionality in its main body, instead referring to non-provided exhibits for their identification and comparison to the patent claims Compl. ¶14 Compl. ¶23 Therefore, the complaint does not provide sufficient detail for analysis of the accused instrumentality's specific functionality or market context.

IV. Analysis of Infringement Allegations

The complaint alleges direct infringement of the '979 Patent and direct and induced infringement of the '086 Patent Compl. ¶12 Compl. ¶18 Compl. ¶22 For both patents, the complaint makes conclusory allegations that the "Exemplary Defendant Products practice the technology claimed" by the patents and "satisfy all elements" of the asserted claims Compl. ¶14 Compl. ¶23 It incorporates by reference claim charts from Exhibits 3 and 4, which were not provided with the complaint, to support these allegations Compl. ¶15 Compl. ¶24 Without these exhibits, a detailed element-by-element analysis of the infringement allegations is not possible.

Identified Points of Contention

• '979 Patent: A primary question will be evidentiary: does the accused product architecture align with the claims? Specifically, does it contain a processor that directly controls call routing based on a computed "optimum agent selection," or is the intelligent routing logic external to the low-level switching system, a configuration the patent sought to improve upon? '979 Patent, abstract '979 Patent, col. 7:30-39
• '086 Patent: The analysis will likely focus on whether the accused system's matching algorithm performs an "optimization" that accounts for both "economic surplus" and "opportunity cost," as required by claim 1 '086 Patent, claim 1 The dispute may turn on whether the accused system's logic, even if sophisticated, can be shown to calculate these specific economic factors, or if it uses a fundamentally different, non-economic matching methodology.

No probative visual evidence provided in complaint.

V. Key Claim Terms for Construction

'979 Patent

• The Term: "optimum agent selection" (from claim 1)
• Context and Importance: This term is central to the invention's contribution of embedding intelligence in the CTI host. Its construction will determine the type of calculation required to infringe. Practitioners may focus on this term because its definition will dictate whether any "best match" algorithm infringes, or if a specific, multi-factor economic analysis is required.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The term is not explicitly defined in the patent. Plaintiff may argue that its plain and ordinary meaning covers any process that selects the "best" or most suitable agent based on a set of criteria.
  • Evidence for a Narrower Interpretation: The specification repeatedly describes the optimization process in economic terms, such as optimizing a "cost-utility function" for short-term or long-term operation '979 Patent, Fig. 1, steps 308, 312 '979 Patent, col. 65:1-66:24 Defendant may argue that "optimum" is not merely "best" but requires the specific type of cost-benefit calculation detailed in the specification.

'086 Patent

• The Term: "economic surplus" (from claim 1)
• Context and Importance: This term grounds the claimed "auction" in economic theory. Its construction is critical to determining if the accused system's matching algorithm infringes. The dispute will likely center on whether the system must perform a calculation analogous to the formal economic definition of surplus.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The patent does not provide a precise mathematical formula for "economic surplus". Plaintiff may argue that the term should be read more broadly to encompass any calculated net value or benefit derived from a successful match.
  • Evidence for a Narrower Interpretation: Defendant may argue that "economic surplus" is a term of art that should be given its established technical meaning (e.g., the sum of consumer and producer surplus). The patent's description of the invention as an "automated optimization" involving an auction and "opportunity cost" suggests a formal, quantitative economic analysis is contemplated, potentially supporting a narrower construction '086 Patent, abstract

VI. Other Allegations

Indirect Infringement

The complaint alleges induced infringement of the '086 Patent Compl. ¶22 The allegations are based on Defendant's alleged post-suit knowledge and its distribution of "product literature and website materials" that purportedly instruct and encourage end users to operate the accused products in a manner that infringes the patent Compl. ¶21 Compl. ¶22 No allegations of indirect infringement are made regarding the '979 Patent.

Willful Infringement

The complaint does not use the term "willful." However, for the '086 Patent, it alleges that service of the complaint constitutes "actual knowledge" and that Defendant has continued its allegedly infringing activities "despite such actual knowledge" Compl. ¶¶20-21 These allegations could form the basis for a claim of post-suit willful infringement. No similar allegations of knowledge are made with respect to the '979 Patent.

VII. Analyst's Conclusion: Key Questions for the Case

1. An Evidentiary Question of Technical Operation: As the complaint lacks specific factual allegations and relies entirely on non-provided exhibits, a threshold issue for the case will be whether Plaintiff can produce evidence demonstrating that the accused products actually perform the specific intelligent routing and auction-based matching functions recited in the patent claims.

2. A Definitional Question of Claim Scope: The case will likely turn on a question of claim construction: can the terms "optimum agent selection" ('979 Patent) and "economic surplus" ('086 Patent) be interpreted broadly to cover conventional "best-match" algorithms, or will the court construe them narrowly to require the specific, multi-factor, cost-based optimizations and auction mechanics detailed in the patent specifications?

3. A Question of Inducement: For the '086 patent, a key issue will be whether the alleged "product literature and website materials" contain specific instructions that actively encourage users to perform all steps of the claimed auction method, sufficient to meet the legal standard for induced infringement, particularly given that the allegations are based on post-suit conduct.