Linfo IP LLC v. Whaleco Inc

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Linfo IP, LLC (Texas)
  • Defendant: Whaleco, Inc., d/b/a Temu (Delaware)
  • Plaintiff's Counsel: David J. Hoffman
• Case Identification: 7:26-cv-01968, S.D.N.Y., 03/10/2026
• Venue Allegations: Plaintiff alleges venue is proper in the Southern District of New York because Defendant has a regular and established place of business in the district and has committed acts of infringement there.
• Core Dispute: Plaintiff alleges that Defendant's e-commerce platform infringes a patent related to systems and methods for organizing and displaying unstructured data objects based on user-defined relevance criteria.
• Technical Context: The technology addresses information overload by enabling systems to sort and display data-such as files, contacts, or product listings-according to a calculated "importance value," making it easier for users to find relevant items in large datasets.
• Key Procedural History: Plaintiff identifies itself as a non-practicing entity and notes that it and its predecessors-in-interest have entered into settlement licenses with other entities, though it states none of these licenses were for producing a patented article. This history may be relevant to potential damages calculations and defenses related to patent marking.

Case Timeline

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

U.S. Patent No. 9,430,131 - "System, Methods, And User Interface for Organizing Unstructured Data Objects"

• Patent Identification: U.S. Patent No. 9,430,131, issued August 30, 2016.

The Invention Explained

• Problem Addressed: In an age of "Big Data," users are often faced with information overload from sources like social media feeds, email, search engine results, and large collections of personal data like files and contacts ʼ131 Patent, col. 1:19-44 Conventional methods for sorting this data, such as by date or alphabetical order, can be inefficient for locating the most relevant information ʼ131 Patent, col. 13:51-59
• The Patented Solution: The invention provides a system where electronic data "objects" (e.g., files, contacts, messages) are assigned an "importance measure" based on various attributes ʼ131 Patent, abstract A user can specify a relevance criterion and an associated importance score, which the system then uses to organize and display the objects, for instance, by placing more relevant items in a more prominent display area or format ʼ131 Patent, col. 2:7-15 '131 Patent, Fig. 1 This allows for a more granular and user-centric method of sorting and retrieving information than simple binary filtering ʼ131 Patent, col. 13:30-42
• Technical Importance: The technology provides a method for creating more dynamic and responsive user interfaces that can prioritize information based on nuanced user preferences rather than static, predefined sorting rules.

Key Claims at a Glance

• The complaint asserts infringement of one or more of claims 1-20 Compl. ¶9 Independent claim 1 is representative:
• Claim 1 (method):
  • obtaining a plurality of electronic objects, wherein the electronic objects comprise currently existing files or file folders or directories in a computer file system, contacts in a contact list or address book;
  • displaying the electronic objects or their names or icons in a user interface;
  • receiving an importance value associated with at least one of the electronic objects, wherein the importance value is entered by a user...;
  • determining a position to place the electronic objects or their names or icons in the user interface directly from the importance value; and
  • placing the electronic objects or their names or icons in the position in the user interface.
• The complaint does not specify which dependent claims may be asserted.

III. The Accused Instrumentality

Product Identification

The accused instrumentality is the e-commerce system operated by Defendant, Linfo IP LLC v. Whaleco Inc, through its website https://temu.com and related services Compl. ¶2 Compl. ¶9

Functionality and Market Context

The complaint alleges that the Defendant "maintains, operates, and administers a system with methods and user interface for discovering information in a text content and extracting and presenting the information" Compl. ¶9 This functionality is used in the context of electronic commerce Compl. ¶8 The complaint does not provide specific details on how the Temu platform technically operates, but frames its function at a high level as one of information discovery and presentation that allegedly aligns with the methods claimed in the ʼ131 Patent.

IV. Analysis of Infringement Allegations

The complaint references a "preliminary exemplary table attached as Exhibit B" to support its infringement allegations, but this exhibit was not included with the filed complaint Compl. ¶10 In its absence, the infringement theory must be inferred from the complaint's narrative allegations.

The core of the infringement allegation is that Defendant's Temu platform practices the patented method for organizing and presenting information Compl. ¶9 This suggests Plaintiff's theory is that the way Temu sorts and displays products or other content to users is based on relevance criteria that map to the "importance value" concept in the patent. For example, a user's search query, clicks on certain product categories, or other interactions could be interpreted by the system as the user "entering" an "importance value" for certain attributes, which the system then uses to determine the position and placement of products on the user's screen.

No probative visual evidence provided in complaint.

Identified Points of Contention

• Scope Questions: A primary question will be whether user interactions on an e-commerce platform (such as searching, filtering, or clicking on items) constitute "receiving an importance value... entered by a user" as required by claim 1. The defense may argue that such interactions are distinct from the more explicit value-assignment interfaces described in the patent (e.g., '131 Patent, Figs. 2A-2C).
• Technical Questions: The complaint lacks technical detail on how the accused Temu system actually functions. A central factual question will be what evidence demonstrates that Temu's backend systems perform the specific steps of "determining a position... directly from the importance value" and "placing the electronic objects" in the manner claimed, as opposed to using other well-known ranking and sorting algorithms that may operate differently.

V. Key Claim Terms for Construction

• The Term: "an importance value... entered by a user"
• Context and Importance: This term is central to the infringement analysis. The dispute may turn on whether the accused system "receives" a value that was "entered by a user." Defendant will likely argue for a narrow construction requiring direct, explicit input from the user, while Plaintiff may argue for a broader construction that covers implicit input derived from user behavior.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The specification states the importance value can be "a numerical value transformed from a text specified by a user, a numerical value transformed from a selection of a user interface object indicated by a user" ʼ131 Patent, col. 18:23-28 This language may support an argument that indirect actions, like clicking a button or filter, can be "transformed" into an importance value.
  • Evidence for a Narrower Interpretation: Figures 2A, 2B, and 2C all depict user interfaces where a user explicitly assigns a numerical score (e.g., 0.95), selects a rating (e.g., "High normal low"), or chooses from a list of values (ʼ131 Patent, Figs. 2A-2C). This could support an argument that "entered by a user" requires a specific, conscious act of assigning a predefined or user-defined weight, not merely interacting with a website.

VI. Other Allegations

• Indirect Infringement: The complaint alleges induced infringement, stating that Defendant actively encourages and instructs its customers on how to use its services in a way that allegedly causes infringement Compl. ¶11 It also alleges contributory infringement, asserting that the product is not a staple commercial product and that the only reasonable use is an infringing one Compl. ¶12
• Willful Infringement: Willfulness allegations are based on knowledge of the ʼ131 Patent "from at least the filing date of the lawsuit" Compl. ¶11 Compl. ¶12 Plaintiff reserves the right to amend if pre-suit knowledge is discovered Compl. p. 4, n.1 Compl. p. 4, n.2

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

This case will likely hinge on two central issues:

1. A core issue will be one of definitional scope: can the claim limitation "receiving an importance value... entered by a user," which the patent illustrates with explicit numerical inputs and rating selections, be construed broadly enough to read on the implicit data signals generated by a user's ordinary interactions with a modern e-commerce website, such as clicks, search queries, and viewing patterns?

2. A key evidentiary question will follow: assuming a construction favorable to the Plaintiff, what specific technical evidence can be presented to show that Temu's proprietary and likely complex product-ranking algorithms operate in the precise manner recited by the patent's claims, particularly the step of "determining a position... directly from the importance value"?