3:26-cv-02724
Secure Matrix LLC v. Local Favorite Restaurants LLC
I. Executive Summary and Procedural Information
- Parties & Counsel:
- Plaintiff: Secure Matrix LLC (Delaware)
- Defendant: Local Favorite Restaurants, LLC (Texas)
- Plaintiff's Counsel: Rabicoff Law LLC
- Case Identification: 3:26-cv-02724, N.D. Tex., 08/14/2026
- Venue Allegations: Venue is alleged to be proper in the Northern District of Texas because the Defendant maintains an established place of business in the district.
- Core Dispute: Plaintiff alleges that Defendant infringes a patent related to systems and methods for user authentication and verification, typically involving a primary computer and a secondary mobile device.
- Technical Context: The technology addresses secure user authentication for online services, such as website logins or electronic payments, a critical function for e-commerce and secure data access.
- Key Procedural History: The complaint states that Plaintiff is the assignee of the patent-in-suit. No other procedural events like prior litigation or administrative reviews are mentioned.
Case Timeline
| Date | Event |
|---|---|
| 2012-11-21 | '116 Patent, Earliest Priority Date |
| 2013-08-09 | '116 Patent, Application Filing Date |
| 2014-03-18 | '116 Patent, Issue Date |
| 2026-08-14 | Complaint Filing Date |
II. Technology and Patent(s)-in-Suit Analysis
U.S. Patent No. 8,677,116 - "Systems and methods for authentication and verification"
The Invention Explained
- Problem Addressed: The patent addresses the growing need for secure and efficient methods to authenticate users for access to secured internet portals (e.g., websites) or for online electronic payments Compl. ¶9 '116 Patent, col. 2:19-26
- The Patented Solution: The invention proposes a multi-device authentication system where a user seeking access to a "secured capability" on a first computer (e.g., a web browser) is presented with a "reusable identifier" (e.g., a QR code) '116 Patent, Fig. 2 The user then uses a separate electronic device, such as a smartphone, to capture this identifier and send it, along with user verification information, to a central verification server '116 Patent, abstract This server evaluates the information and, if the user is authorized, sends a signal to grant access to the secured capability '116 Patent, col. 7:23-35
- Technical Importance: This approach enhances security by separating the access point from the authentication device and simplifies the process by using a "reusable identifier" that does not contain sensitive user or transaction data, which can improve speed and server scalability '116 Patent, col. 6:35-62
Key Claims at a Glance
The complaint does not specify which claims of the '116 Patent are asserted, referring only to "Exemplary '116 Patent Claims" Compl. ¶11 Compl. ¶16 Independent claims 1 (a method) and 11 (a system) appear to cover the core of the invention.
- Independent Claim 1 (Method):
- Using a computer system to receive a first signal from a computer providing a secured capability, where the signal comprises a reusable identifier.
- Using the computer system to receive a second signal from a user's electronic device, where the signal comprises a copy of the reusable identifier and user verification information.
- Using a processor to evaluate whether the user is authorized based on the first and second signals.
- Transmitting a third signal with authorization information to the computer or the user's device in response to a successful evaluation.
- The complaint does not explicitly reserve the right to assert dependent claims.
III. The Accused Instrumentality
Product Identification
The complaint does not identify any specific accused products, methods, or services in its text Compl. ¶¶1-19 It refers to "Exemplary Defendant Products" that are purportedly identified in charts attached as Exhibit 2, but this exhibit was not provided with the complaint Compl. ¶11 Compl. ¶16
Functionality and Market Context
Based on the Defendant's name, "*Secure Matrix LLC v. Local Favorite Restaurants LLC*" Compl. ¶3, and the nature of the patented technology, the accused instrumentalities may relate to online or mobile systems used in the restaurant industry. This could include customer-facing platforms for online ordering, payment, or loyalty programs, or internal systems for employee login and verification. The complaint makes no allegations regarding the specific functionality or market position of any accused product.
IV. Analysis of Infringement Allegations
The complaint alleges that the "Exemplary Defendant Products" infringe the '116 Patent but provides no specific factual allegations of infringement in the body of the complaint, instead incorporating by reference an un-provided claim chart exhibit Compl. ¶16 Compl. ¶17 The following table summarizes the infringement theory for representative Claim 1, based on the conclusory allegations in the complaint and the assumption that the un-provided exhibit maps product features to claim elements.
'116 Patent Infringement Allegations
| Claim Element (from Independent Claim 1) | Alleged Infringing Functionality | Complaint Citation | Patent Citation |
|---|---|---|---|
| A method of using a computer system to authenticate a user seeking to conduct at least one interaction with a secured capability provided by a computer, the method comprising: using the computer system to receive a first signal from the computer providing the secured capability, the first signal comprising a reusable identifier... | The complaint alleges that Defendant's systems, as detailed in the un-provided Exhibit 2, perform the claimed method, which would require receiving a signal with a reusable identifier from a service computer Compl. ¶16 | ¶16 | col. 7:14-16 |
| using the computer system to receive a second signal from an electronic device being used by the user, the second signal comprising a copy of the reusable identifier and user verification information; | The complaint alleges Defendant's systems practice the claimed technology, which would require receiving a second signal containing the identifier and user data from a user's device Compl. ¶16 | ¶16 | col. 7:17-22 |
| using a processor of the computer system to evaluate, based at least on the first signal and the second signal, whether the user is authorized to conduct the at least one interaction with the secured capability; and | The complaint alleges that Defendant's systems satisfy all claim elements, which would require using a processor to evaluate whether the user is authorized based on the received signals Compl. ¶16 | ¶16 | col. 7:23-28 |
| in response to an indication from the processor that the user is authorized... using the computer system to transmit a third signal comprising authorization information to at least one of the electronic device and the computer. | The complaint alleges that Defendant's systems practice the claimed technology, which would require transmitting an authorization signal upon successful verification Compl. ¶16 | ¶16 | col. 7:29-35 |
- Identified Points of Contention:
- Architectural Questions: A primary question will be whether the Defendant's system architecture matches the three-party structure (service computer, user device, verification computer system) taught and claimed in the patent '116 Patent, Fig. 2 Infringement analysis may focus on whether Defendant operates a distinct "computer system" for evaluation, as opposed to integrating this function into the primary service computer.
- Scope Questions: The definition of "reusable identifier" will be critical. The patent describes this identifier as not containing "user-specific or transaction-specific information" '116 Patent, col. 9:11-13 A key dispute may arise over whether the identifiers used in the Defendant's system contain session-specific data or other information that could place them outside the scope of this limitation.
- No probative visual evidence provided in complaint.
V. Key Claim Terms for Construction
The Term: "reusable identifier"
Context and Importance: This term is the lynchpin of the claimed method, linking the user's session on a service computer with the authentication action on their personal device. Its construction will be central to determining whether the Defendant's system, which likely uses some form of session token or identifier, falls within the claim scope. Practitioners may focus on this term because the patent repeatedly distinguishes it from "one-time-use" or user-specific identifiers '116 Patent, col. 9:8-14
Intrinsic Evidence for Interpretation:
- Evidence for a Broader Interpretation: The term itself suggests any identifier that can be used more than once. The patent states the system can be used for multiple users and transactions, implying the identifier's reusability is a key feature '116 Patent, col. 9:14-16
- Evidence for a Narrower Interpretation: The specification explicitly states that "a reusable identifier... does not contain user-specific or transaction-specific information" '116 Patent, col. 9:11-13 It also describes embodiments where identifiers are used in a "round robin" fashion from a predefined list, suggesting a more constrained meaning than any token that is merely used more than once '116 Patent, col. 9:45-49
The Term: "computer system"
Context and Importance: In Claim 1, the "computer system" is the entity that receives the signals, performs the evaluation, and transmits authorization. The patent drawings consistently depict this as a "Verification Server" (60) that is distinct from the "Web Server" (50) providing the secured capability '116 Patent, Fig. 2 '116 Patent, Fig. 7 If Defendant's architecture is monolithic (i.e., a single physical server running different software modules could embody both the "computer" providing the capability and the "computer system" performing the verification.
Intrinsic Evidence for Interpretation:
- Evidence for a Broader Interpretation: The term is generic, and one could argue that a single physical server running different software modules could embody both the "computer" providing the capability and the "computer system" performing the verification.
- Evidence for a Narrower Interpretation: The claims and figures distinguish between the "computer" and the "computer system" ('116 Patent, cl. 1). The consistent depiction of these as separate entities (e.g., elements 50 and 60 in Figure 2) suggests they are intended to be structurally or at least logically distinct components ('116 Patent, col. 6:3-9).
VI. Other Allegations
- Indirect Infringement: The complaint alleges induced infringement, stating that Defendant sells "Exemplary Defendant Products to their customers for use in end-user products in a manner that infringes" and distributes "product literature and website materials inducing end users" to infringe (Compl. ¶14; Compl. ¶15). The complaint relies on the un-provided Exhibit 2 to substantiate these allegations (Compl. ¶14; Compl. ¶16).
- Willful Infringement: The complaint alleges that the service of the complaint itself provides Defendant with "actual knowledge of infringement" (Compl. ¶13). It further alleges that Defendant's continued infringement after receiving this notice is willful, which may form the basis for seeking enhanced damages (Compl. ¶14).
VII. Analyst's Conclusion: Key Questions for the Case
This case appears to be in its earliest stages, with the complaint providing a high-level notice of infringement without specific factual detail. The resolution of the dispute will likely depend on the answers to several fundamental questions:
- A central issue will be one of architectural correspondence: Does the Defendant's system architecture, presumably for online restaurant services, utilize the distinct three-party communication flow (service computer, user's mobile device, and a separate verification server) that is a core element of the '116 patent's claims, or does it operate in a technically distinct manner?
- The case will also turn on a question of definitional scope: Can the patent's term "reusable identifier," which the specification describes as lacking user- or transaction-specific data, be construed to read on the identifiers used in the Defendant's system, which may contain dynamic session tokens or other data that arguably falls outside this narrow definition?
- A threshold evidentiary question will be one of substantiation: Given that the complaint's infringement allegations are entirely dependent on an un-provided exhibit, a key challenge for the Plaintiff will be to produce concrete evidence demonstrating how the Defendant's unidentified "Exemplary Defendant Products" actually perform each step of the asserted claims.