DCT
5:26-cv-00082
Fall Line Patents LLC v. IKEA Systems BV
Key Events
Complaint
Table of Contents
complaint Intelligence
I. Executive Summary and Procedural Information
- Parties & Counsel:
- Plaintiff: Fall Line Patents, LLC (Oklahoma)
- Defendant: Inter IKEA Systems B.V. (The Netherlands); IKEA US Retail LLC (Virginia); IKEA North America Services, LLC (Delaware)
- Plaintiff's Counsel: Antonelli, Harrington & Thompson LLP
- Case Identification: 5:26-cv-00082, E.D. Tex., 06/30/2026
- Venue Allegations: Venue is asserted based on Inter IKEA Systems B.V. being a foreign entity, which may be sued in any judicial district. For the domestic defendants, venue is based on allegations of transacting business and committing acts of infringement in the district, including maintaining a regular and established place of business.
- Core Dispute: Plaintiff alleges that Defendant's mobile applications and associated server infrastructure, which allegedly create and execute location-specific questionnaires, infringe a patent related to remote data management and collection.
- Technical Context: The technology concerns systems and methods for collecting data from diverse, remotely-located computing devices, particularly those with intermittent network connectivity and location-sensing capabilities.
- Key Procedural History: The complaint highlights that the asserted patent, and specifically the asserted claim, has been subject to prior proceedings. It notes a previous case where a motion to dismiss was denied and summary judgment of validity under 35 U.S.C. § 101 was granted. More significantly, the patent has undergone Inter Partes Review (IPR), which resulted in the cancellation of several claims but confirmed the patentability of the asserted Claim 7, a factor that may strengthen its presumption of validity.
Case Timeline
| Date | Event |
|---|---|
| 2002-08-19 | '748 Patent Priority Date |
| 2016-09-27 | '748 Patent Issue Date |
| 2017-10-06 | IPR2018-00043 Filed |
| 2019-01-22 | IPR2019-00610 Filed |
| 2022-12-19 | IPR Certificate (K1) Issued, confirming patentability of Claim 7 |
| 2023-08-22 | IPR Certificate (K2) Issued, cancelling claims 16-18 |
| 2026-06-30 | Complaint Filing Date |
II. Technology and Patent(s)-in-Suit Analysis
U.S. Patent No. 9,454,748 - "System and Method for Data Management"
- Patent Identification: U.S. Patent No. 9,454,748, "System and Method for Data Management," issued September 27, 2016.
The Invention Explained
- Problem Addressed: The patent background describes challenges prevalent in early mobile computing, such as software incompatibility across different handheld devices from various manufacturers and the unreliability of network connections for devices used in the field '748 Patent, col. 1:49-2:2 '748 Patent, col. 3:64-4:1 Developing separate, custom applications for each device was costly and inefficient, and managing data synchronization over intermittent connections was a significant technical hurdle '748 Patent, col. 2:41-44 '748 Patent, col. 4:1-17
- The Patented Solution: The invention proposes a platform-agnostic system for data collection. It uses device-independent "tokens" to represent a "questionnaire," which can then be executed on any remote device equipped with a compatible runtime package, thus avoiding device-specific programming '748 Patent, col. 5:13-21 To address connectivity issues, the system is "loosely networked," meaning it can store collected data locally when offline and transmit it to a central server once a connection is re-established '748 Patent, col. 5:7-12 The patent also describes integrating GPS functionality to enable automated collection of location data as part of the questionnaire process '748 Patent, col. 5:33-48
- Technical Importance: This architecture aimed to solve the core problems of fragmentation and connectivity in the nascent mobile workforce automation market, providing a unified method for deploying and managing data collection applications across a heterogeneous device landscape '748 Patent, col. 2:56-3:10
Key Claims at a Glance
- The complaint asserts independent Claim 7 of the '748 Patent Compl. ¶19
- The essential elements of Claim 7 are:
- Executing a questionnaire on a remote computing device with an integral GPS, where the questionnaire requests GPS coordinates.
- Automatically obtaining said GPS coordinates.
- Executing the questionnaire to get at least one user response.
- Collecting the response(s) and GPS coordinates on the remote device.
- Transmitting the response(s) and GPS coordinates from the remote device to a central computer.
- Making the response(s) and GPS coordinates available via the Internet.
- While only Claim 7 is specifically identified, the prayer for relief seeks a judgment of infringement on "one or more claims of the '748 Patent" Compl. p. 13, ¶a
III. The Accused Instrumentality
Product Identification
- The accused instrumentalities are "IKEA mobile apps that, in conjunction with IKEA servers" Compl. ¶18
Functionality and Market Context
- The complaint alleges that the accused system is used to "create and execute a location-specific questionnaire to collect responses from users" Compl. ¶18
- It is also alleged that the "IKEA Mobile App" is used to direct customers to IKEA stores and to receive customer orders Compl. ¶13
- The complaint does not provide further technical detail regarding the specific functionality within the IKEA mobile apps that allegedly performs the claimed method steps.
- No probative visual evidence provided in complaint.
IV. Analysis of Infringement Allegations
The complaint alleges infringement of Claim 7 but does not provide a detailed mapping of accused features to claim limitations. The following chart summarizes the infringement theory based on the general allegations.
- '748 Patent Infringement Allegations
| Claim Element (from Independent Claim 7) | Alleged Infringing Functionality | Complaint Citation | Patent Citation |
|---|---|---|---|
| (a) executing a questionnaire on a remote computing device having a GPS integral thereto, said questionnaire comprising at least one question that requests GPS coordinates; | The IKEA mobile app, functioning as a questionnaire, is executed on a customer's smartphone (a remote computing device with an integral GPS) and allegedly includes functionality that requests location information. | ¶18 | col. 5:33-38 |
| (b) automatically obtaining said GPS coordinates; | The IKEA mobile app automatically obtains GPS coordinates from the smartphone's integrated GPS. | ¶18; ¶19 | col. 5:42-45 |
| (c) executing said questionnaire to obtain at least one response to said at least one question; | The IKEA mobile app is used to collect responses from users. | ¶18 | col. 8:62-9:2 |
| (d) collecting said at least one response and said GPS coordinates on said remote computing device; | The IKEA mobile app collects the user's responses and the device's GPS coordinates on the smartphone. | ¶18; ¶19 | col. 5:64-6:3 |
| (e) transmitting said at least one response and said GPS coordinates from said remote computing device to a central computer; | The collected user responses and GPS data are transmitted from the smartphone to IKEA's servers (a central computer). | ¶18 | col. 5:7-12 |
| (f) making said at least one response and said GPS coordinates available via the Internet. | The data collected on IKEA's servers is made available to IKEA personnel or systems via the internet. | ¶18; ¶19 | col. 6:4-7 |
- Identified Points of Contention:
- Scope Questions: A central dispute may arise over whether the functionality within the "IKEA mobile app" constitutes a "questionnaire" as contemplated by the patent. The defense may argue that features in a general-purpose retail application differ fundamentally from the structured survey-style examples described in the patent's specification '748 Patent, col. 10:37-11:25
- Technical Questions: The complaint's allegations raise the question of how location data is used. The infringement theory will depend on whether the accused app "automatically" obtains GPS data specifically because a "question...requests" it, as the claim language suggests, or whether it uses location services for other functions (e.g., a store locator) in a way that is technically distinct from the claimed sequence of steps.
V. Key Claim Terms for Construction
The Term: "questionnaire"
- Context and Importance: This term is foundational to the infringement analysis. The viability of the plaintiff's case depends on whether the accused app's data-gathering features can be defined as a "questionnaire." Practitioners may focus on this term because its scope will likely determine whether a general e-commerce app falls within the patent's purview.
- Intrinsic Evidence for a Broader Interpretation: The specification suggests a program can be created by "simply entering questions and providing response specification, in the form of a questionnaire" '748 Patent, col. 5:35-38, which might support an interpretation covering any structured data input interface.
- Intrinsic Evidence for a Narrower Interpretation: The patent provides a detailed "mystery shopper" example that includes branching logic, timers, and specific, ordered questions, suggesting a formal survey instrument '748 Patent, col. 10:37-11:25 This detailed embodiment could be used to argue for a narrower construction limited to survey-like tools.
The Term: "automatically obtaining said GPS coordinates"
- Context and Importance: This term, read in conjunction with the preceding limitation ("question that requests GPS coordinates"), is critical for defining the required technical mechanism for location collection. The dispute will likely center on the degree of automation and the specific trigger for obtaining the coordinates.
- Intrinsic Evidence for a Broader Interpretation: The patent states that information like "position information if the device includes a GPS receiver" may be "collected automatically rather than entered manually" '748 Patent, col. 5:45-48 This could support a reading where any non-manual collection of GPS data by the app qualifies.
- Intrinsic Evidence for a Narrower Interpretation: The sequence of claim steps-first a "question that requests GPS coordinates," then "automatically obtaining" them-could be argued to require a specific causal link. A defendant might argue this means the system must programmatically fetch the coordinates in direct response to a specific query within the questionnaire, rather than using ambient or background location data.
VI. Other Allegations
- Indirect Infringement: The complaint alleges both induced and contributory infringement. The inducement allegation is based on claims that IKEA provides instructions and promotes the use of its mobile apps in an infringing manner Compl. ¶23 The contributory infringement claim asserts that the accused products have "special features" with no substantial non-infringing use, a point that may be contentious given the likely multi-function nature of a retail app Compl. ¶24
- Willful Infringement: The complaint alleges willfulness based on two grounds. First, it establishes a basis for post-suit willfulness by stating Defendant has knowledge of the patent "at least as of the date when it was notified of the filing of this action" Compl. ¶25 Second, it alleges pre-suit willful blindness, asserting on "information and belief" that IKEA has a policy of not reviewing the patents of others Compl. ¶26
VII. Analyst's Conclusion: Key Questions for the Case
- A core issue will be one of definitional scope: can the term "questionnaire," which is rooted in the patent's examples of structured surveys, be construed broadly enough to encompass the data collection and user interaction features of a modern, multi-purpose retail mobile application?
- A key evidentiary question will be one of technical operation: does the accused IKEA system obtain GPS data specifically because a "question...requests" it, as the claim language requires, or is location data gathered for general application purposes (like a "store finder") in a manner that is functionally distinct from the method claimed in the patent?
- Finally, the case may turn on a question of infringement evidence versus validity strength. Given that the asserted claim has already survived an IPR challenge-a fact emphasized by the plaintiff-the focus of the litigation may shift away from validity disputes and concentrate more intensely on whether the high-level allegations of infringement can be substantiated with specific evidence mapping the accused app's functionality to the claim's limitations.
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