DCT
5:26-cv-00086
Fall Line Patents LLC v. QuikTrip Corp
Key Events
Amended Complaint
Table of Contents
complaint Intelligence
I. Executive Summary and Procedural Information
- Parties & Counsel:
- Plaintiff: Fall Line Patents, LLC (Oklahoma)
- Defendant: QuikTrip Corporation (Oklahoma) and QT South, LLC (Texas)
- Plaintiff’s Counsel: Antonelli, Harrington & Thompson LLP
- Case Identification: 5:26-cv-00086, E.D. Tex., 09/23/2026
- Venue Allegations: Venue is alleged based on Defendant transacting business, committing acts of infringement, and maintaining a regular and established place of business within the Eastern District of Texas.
- Core Dispute: Plaintiff alleges that Defendant’s QuikTrip Mobile App and associated servers infringe a patent related to methods for managing and collecting location-specific data from remote computing devices.
- Technical Context: The technology addresses challenges in early mobile computing, such as software incompatibility across different hardware platforms and intermittent network connectivity, by using a device-independent, token-based system for creating and deploying data-collection applications.
- Key Procedural History: The asserted patent, U.S. Patent No. 9,454,748, has been subject to multiple inter partes review (IPR) proceedings. Notably, in IPR2019-00610, the Patent Trial and Appeal Board (PTAB) found the single asserted claim in this case, Claim 7, to be patentable, while several other claims were canceled. The complaint also references prior litigation involving the same patent, Fall Line Patents LLC v. Zoe's Kitchen Inc, where the court denied a motion to dismiss and granted summary judgment of validity under 35 U.S.C. § 101.
Case Timeline
| Date | Event |
|---|---|
| 2002-08-19 | ’748 Patent Priority Date |
| 2016-09-27 | ’748 Patent Issue Date |
| 2017-10-06 | IPR2018-00043 Filed against ’748 Patent |
| 2019-01-22 | IPR2019-00610 Filed against ’748 Patent |
| 2022-12-19 | IPR Certificate Issued; Claim 7 of ’748 Patent confirmed patentable |
| 2023-08-22 | IPR Certificate Issued; Claims 16-18 of ’748 Patent canceled |
| 2026-09-23 | Complaint Filing Date |
II. Technology and Patent(s)-in-Suit Analysis
- Patent Identification: U.S. Patent No. 9,454,748 (“the ’748 Patent”), titled “System and Method for Data Management,” issued September 27, 2016.
The Invention Explained
- Problem Addressed: The patent’s background section describes the technical difficulties of developing data collection applications for early-2000s handheld computers Compl. ¶22 These problems included software incompatibility preventing an application from running on different device models, requiring costly custom development for each platform ’748 Patent, col. 1:49-2:2; the need to recompile and reinstall an entire program to make a single change ’748 Patent, col. 3:7-10; and unreliable or low-bandwidth network connections ’748 Patent, col. 3:64-4:1
- The Patented Solution: The invention proposes a system for creating and executing data collection "questionnaires" that are device-independent. This is achieved by "tokenizing" the questionnaire, which allows it to be executed by a common operating system layer on various remote devices without recompilation ’748 Patent, col. 5:21-32 Compl. ¶25 The system is designed to be "loosely networked," meaning it can operate with intermittent connectivity by storing data locally on the device and transmitting it to a server when a connection is restored ’748 Patent, col. 5:3-12 The solution also contemplates using an integrated GPS to automatically collect location data and customize the questionnaire for a specific location ’748 Patent, col. 10:55-65 Compl. ¶27
- Technical Importance: This system aimed to create a universal, cross-platform framework for mobile data collection that was resilient to the hardware fragmentation and poor network infrastructure of its time Compl. ¶25
Key Claims at a Glance
- The complaint asserts independent Claim 7 of the ’748 Patent Compl. ¶12
- The essential elements of Claim 7 are:
- A method for collecting survey data and making it available online, which includes:
- (a) designing a "questionnaire" with "branching logic" that is "customized for a particular location" and requests "location identifying information";
- (b) automatically transferring the questionnaire to a "loosely networked computer" with an "integral GPS";
- (c) executing the questionnaire on the device when it is at the "particular location" to collect user responses;
- (d) using the GPS to "automatically provide" location information as a response;
- (e) "automatically transferring" collected responses "in real time" to a central computer via the "loose network"; and
- (f) "making available via the Internet" the transferred responses.
- The complaint’s prayer for relief seeks a judgment of infringement on "one or more claims," suggesting a potential reservation to assert other claims, though only Claim 7 is specifically identified in the infringement count Compl. p. 11, ¶a
III. The Accused Instrumentality
Product Identification
The "QuikTrip Mobile App" operating in conjunction with "QuikTrip servers" Compl. ¶11
Functionality and Market Context
The complaint alleges that the accused instrumentality is used to "create and execute a location-specific questionnaire to collect responses from users" Compl. ¶11 It is also described as an app used by QuikTrip to "direct customers to, and receive orders from customers for, one or more QuikTrip locations" Compl. ¶¶6-7 The complaint does not provide specific technical details about the app's features, architecture, or user interface beyond these high-level functional descriptions.
No probative visual evidence provided in complaint.
IV. Analysis of Infringement Allegations
’748 Patent Infringement Allegations
| Claim Element (from Independent Claim 7) | Alleged Infringing Functionality | Complaint Citation | Patent Citation |
|---|---|---|---|
| (a) designing a questionnaire including at least one question said questionnaire customized for a particular location having branching logic...wherein at least one...questions requests location identifying information; | Defendant creates a "location-specific questionnaire" for its mobile app. | ¶11 | col. 8:43-49 |
| (b) automatically transferring said designed questionnaire to at least one loosely networked computer having a GPS integral thereto; | Defendant distributes the "QuikTrip mobile apps," which are used on modern smartphones with integral GPS capabilities. | ¶11 | col. 5:3-12 |
| (c) when said loosely networked computer is at said particular location, executing said transferred questionnaire on said loosely networked computer, thereby collecting responses from the user; | Defendant's app executes a "location-specific questionnaire to collect responses from users." | ¶11 | col. 10:55-61 |
| (d) while said transferred questionnaire is executing, using said GPS to automatically provide said location identifying information as a response to said executing questionnaire; | The app is alleged to be "location-specific," implying the use of GPS to identify the user's location. | ¶11 | col. 10:55-58 |
| (e) automatically transferring via the loose network any responses so collected in real time to a central computer; | The QuikTrip mobile app communicates with "QuikTrip servers" to collect user responses. | ¶11 | col. 6:1-4 |
| (f) making available via the Internet any responses transferred to said central computer in step (e). | The complaint does not explicitly allege this step, but it is a required element of the asserted claim. | col. 10:10-14 |
Identified Points of Contention
- Scope Question: A central issue may be whether the QuikTrip mobile app, presumably a consumer-facing application for ordering and loyalty rewards, can be considered a "questionnaire" in the context of the patent, which provides examples focused on structured data collection for field work, such as a "mystery shopper" report ’748 Patent, col. 10:37-54
- Technical Question: Claim 7(a) requires the questionnaire to have "branching logic". The complaint makes no specific factual allegations to support the existence of such logic in the accused app.
- Evidentiary Question: The complaint does not allege facts to support the final step of the claim, "making available via the Internet any responses" (Claim 7(f)). While data is collected on servers, this limitation requires that the responses are then made available for review, a step the complaint is silent on.
V. Key Claim Terms for Construction
The Term: "questionnaire"
- Context and Importance: This term's construction is fundamental. If the QuikTrip app is not a "questionnaire," there can be no infringement of Claim 7. Practitioners may focus on this term because the patent's specification appears to frame it in the context of structured, survey-like data entry forms rather than a general consumer application interface.
- Evidence for a Broader Interpretation: The patent uses "form" and "questionnaire" interchangeably, and does not provide an explicit, limiting definition, which could support an interpretation that covers any structured series of prompts for user input ’748 Patent, col. 8:36-39
- Evidence for a Narrower Interpretation: The detailed embodiments describe creating questionnaires by entering a "series of questions or statements" and focus on applications like mystery shopping and medical data entry, suggesting a more formal, survey-like instrument ’748 Patent, col. 8:26-31 ’748 Patent, col. 10:37-11:54
The Term: "customized for a particular location"
- Context and Importance: This term links the "questionnaire" to a specific place. The dispute will likely center on whether showing location-based data (e.g., a local store's menu) is equivalent to providing a questionnaire that is itself "customized."
- Evidence for a Broader Interpretation: A plaintiff may argue that any questionnaire whose content or options change based on geography (e.g., showing different menu items or prices for a specific QuikTrip store) is "customized for a particular location."
- Evidence for a Narrower Interpretation: The patent links the customization to the initial design step, suggesting the questionnaire is intentionally authored for a specific location, rather than merely filtering data in real time ’748 Patent, claim 7(a) The specification's examples, like a mystery shopper report for a particular store, may support a narrower reading ’748 Patent, col. 10:55-11:2
VI. Other Allegations
Indirect Infringement
The complaint alleges induced infringement based on Defendant providing the app and instructions that allegedly guide customers to use it in an infringing manner Compl. ¶16 It also alleges contributory infringement, asserting the app has "special features" with no substantial non-infringing uses, a claim that may be difficult to sustain for a commercial consumer application Compl. ¶17
Willful Infringement
Willfulness is alleged based on Defendant’s conduct being "objectively reckless" Compl. ¶19 The complaint further alleges willful blindness, based on an asserted "policy or practice of not reviewing the patents of others" Compl. ¶18
VII. Analyst’s Conclusion: Key Questions for the Case
- A core issue will be one of definitional scope: Can the term "questionnaire", rooted in the patent's context of structured field data collection and business analysis, be construed to cover a modern, consumer-facing mobile commerce application?
- A key evidentiary question will be one of functional satisfaction: Does the complaint, and subsequently the evidence, establish that the accused QuikTrip app performs every element of Claim 7, particularly the requirements for "branching logic" and "making available via the Internet" the collected data for review?
- A central legal question will be the impact of the IPR history: How will the fact that Claim 7 survived an inter partes review—a proceeding that confirmed its patentability over prior art—shape the litigation, particularly with respect to the defendant’s invalidity defenses and the overall strength of the plaintiff’s case?
Analysis metadata