DCT

2:26-cv-00571

Stratacor LLC v. LG Electronics Inc

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I. Executive Summary and Procedural Information

  • Parties & Counsel:
  • Case Identification: 2:26-cv-00571, EDTX, 07/10/2026
  • Venue Allegations: Plaintiff alleges venue is proper because Defendant is a foreign corporation not resident in the United States and may therefore be sued in any judicial district. The complaint separately alleges specific and personal jurisdiction based on Defendant's purposeful contacts with Texas and its alleged infringing acts in the district, and in the alternative invokes Fed. R. Civ. P. 4(k)(2). Plaintiff further alleges that it is the sole and exclusive owner of all right, title, and interest in the ’115 Patent and that it and prior assignees/licensees have complied with the marking provisions of 35 U.S.C. § 287.
  • Core Dispute: Plaintiff alleges that Defendant’s smart televisions, when operating with the Netflix application and LG Magic Remote, infringe a patent related to analyzing user viewing behavior on-screen to provide relevant digital content.
  • Technical Context: The technology at issue involves real-time analysis of user interaction with a digital interface to personalize content, a feature central to the operation of modern streaming services and digital media platforms.
  • Key Procedural History: The complaint pleads no prior litigation, inter partes review, or licensing history bearing on claim scope; Plaintiff demands a jury trial on all issues so triable.

Case Timeline

Date Event
2014-09-02 ’115 Patent Priority Date
2022-02-22 ’115 Patent Issued
2025 Alleged demonstration of accused products at CES 2025
2026-07-10 Complaint Filing Date

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

U.S. Patent No. 11,257,115 - "Providing Additional Digital Content or Advertising Based on Analysis of Specific Interest in the Digital Content Being Viewed" (issued Feb. 22, 2022)

The Invention Explained

  • Problem Addressed: The patent's background section notes that while it is possible to analyze the general topic of a webpage for advertising, such pages are often complex and contain varied information. A need exists to know more precisely what specific content a user is looking at and finds to be of "primary interest" in order to provide more effectively targeted follow-on content ʼ115 Patent, col. 1:45-55
  • The Patented Solution: The invention proposes a method to solve this problem by dividing a digital page into discrete regions, tracking user interaction within those regions (e.g., duration of mouse pointer hover) to gauge interest, and then textually analyzing the content of the high-interest regions. This analysis involves compiling lists of frequently used words and phrases. The system then semantically compares these keywords to a database of available content (e.g., articles, advertisements) and provides the user with content that shows a strong semantic similarity ʼ115 Patent, abstract ʼ115 Patent, Fig. 2
  • Technical Importance: The patent describes a method for granular, behavior-based content personalization that moves beyond simple page-level topic analysis to a more nuanced understanding of user intent on a sub-page level ʼ115 Patent, col. 1:49-55

Key Claims at a Glance

  • The complaint asserts infringement of at least independent Claim 1 Compl. ¶15
  • The essential elements of independent Claim 1 ʼ115 Patent, claim 1 include:
    • A method of dividing one or more internet pages into regions defined by a form of the content.
    • Monitoring and tracking the frequency and duration of a viewer's interaction with each region using a pointing device, while not recording intervals where the device is idle.
    • Compiling textural information from each region by sorting out unimportant words and creating a list of the most frequent words and phrases.
    • For regions viewed above a certain threshold, "semantically comparing" the compiled list of words to words from other internet-based content.
    • Selecting and providing content that has a semantic similarity above a pre-specified threshold value, presented as a display, a new page, or a popup.
  • The complaint does not explicitly reserve the right to assert dependent claims, but the prayer for relief is for infringement of "one or more claims" Compl., prayer a

III. The Accused Instrumentality

Product Identification

The complaint identifies a range of LG smart televisions—including OLED, QNED, NanoCell, UHD, Micro RGB, and Gallery models—that operate with the Netflix streaming application and/or LG webOS, either separately or together, and an LG Magic Remote Compl. ¶10 The LG 65-inch OLED evo AI G6 4K Smart TV (OLED65G6WUA) with its webOS platform and included AI Magic Remote MR26 is cited as an exemplary infringing product Compl. ¶14

Functionality and Market Context

The complaint alleges that the accused system functions by presenting the Netflix user interface, which is divided into content rows (e.g., "Continue Watching," genre-based rows), which allegedly serve as the claimed "regions" Compl. ¶16 The LG Magic Remote is alleged to function as the "pointing device" that tracks user interactions, such as hovering over specific titles, which Netflix refers to as "impressions" Compl. ¶17 Compl. p. 9 The complaint alleges that data from these interactions is then processed to generate personalized recommendations, thereby performing the patented method Compl. ¶18 The complaint highlights the market presence of these products through a long list of models and promotional activities at major tradeshows Compl. ¶10 Compl. ¶20 A visual in the complaint shows the accused AI Magic Remote MR26, which includes a dedicated button for the Netflix application Compl. p. 17

IV. Analysis of Infringement Allegations

’115 Patent Infringement Allegations

The complaint alleges that Defendant infringes Claim 1 both directly and through inducement, either literally or under the doctrine of equivalents Compl. ¶15 Compl. ¶23

Claim Element (from Independent Claim 1) Alleged Infringing Functionality Complaint Citation Patent Citation
dividing the one or more internet pages into regions... wherein the regions are defined by a form of the content... The LG television’s processor, executing the Netflix client, divides the Netflix TV homepage into regions such as "Continue Watching," "My List," and genre-based rows, which are defined by their content (e.g., row heading, layout). ¶16 col. 4:1-10
monitoring and tracking the frequency and duration of viewing by the... viewer of each region using input devices... monitoring the location and duration time of a pointing device within the confines of each region... The LG Magic Remote, acting as a pointer, monitors user interaction. This includes tracking how many times the pointer enters a row and the duration of pointer residence, which corresponds to "impressions." A screenshot from an LG developer guide shows the remote uses standard mouse events like onmouseover Compl. p. 8 ¶17 col. 8:3-25
compiling the textural information for each region... sorting out words or phrases that are pre-determined to be of no value... compiling a list of the most frequently used words and phrases... The system allegedly compiles row headings and metadata from titles in a row, sorts out non-substantive words (e.g., "the," "a"), and creates a list of keywords for that region (e.g., "crime," "murder" for a "Suspenseful Crime Dramas" region). ¶18 col. 4:1-5
semantically comparing the most frequently used words and phrases to the most frequently used words and phrases of internet based content that can be supplied to the viewer... The system allegedly compares the compiled keywords from a viewed region to keywords from unshown Netflix content using a semantic similarity model (e.g., cosine similarity between metadata embeddings). A diagram from a Netflix technical blog illustrates part of this process Compl. p. 10 ¶18 col. 4:7-11
selecting and providing relevant internet based content with semantic similarity above a pre-specified threshold value... as one of: a display... a new page, and a popup. Based on a similarity score above a threshold, the system provides relevant content by populating new recommendation rows on the homepage, navigating to a title's details page, or displaying an expanded information panel. ¶18 col. 4:11-15

Identified Points of Contention

  • Scope Question: The patent frequently describes its invention in the context of traditional "webpages" and "HTML" ʼ115 Patent, col. 4:10-30 A potential issue for litigation is whether the term "internet page" can be construed to encompass the proprietary user interface of a streaming application like Netflix, which is not a conventional webpage.
  • Technical Question: The complaint relies heavily on Netflix technical blogs to describe the accused functionality. A key question will be whether the "impression" tracking and recommendation algorithms described in those blogs perform the specific steps recited in Claim 1—particularly the explicit compilation of "most frequently used words and phrases" and their direct comparison—or if they use a fundamentally different technical approach, such as holistic vector-space analysis, that may not map to the claim language.
  • Attribution Question: The alleged infringing method involves components and services from at least three parties: LG (hardware), Netflix (software/service), and the end user (operation). A significant legal question may arise regarding whether LG can be held liable for performing or inducing the entire claimed method, parts of which may be executed on Netflix's servers and are dependent on user actions.

V. Key Claim Terms for Construction

The Term: "internet page"

  • Context and Importance: This term's scope is critical, as the accused infringement occurs within the Netflix application, not a traditional web browser. Practitioners may focus on this term because its construction will determine if the patent applies to modern app-based ecosystems or is limited to the web-browsing context heavily featured in the specification.
  • Intrinsic Evidence for a Broader Interpretation: The patent uses broader terms like "digital media" and "textural digital content," which could support an interpretation that is not limited to browser-based HTML pages ʼ115 Patent, col. 1:46 ʼ115 Patent, col. 3:55-67
  • Intrinsic Evidence for a Narrower Interpretation: The specification provides numerous examples grounded in web technology, such as "webpage," "HTML," "CSS," and "scroll bars," which could be used to argue the inventor contemplated a more limited, browser-centric environment ʼ115 Patent, col. 4:10-30

The Term: "semantically comparing the most frequently used words and phrases"

  • Context and Importance: This phrase describes the core analytical step of the invention. Its definition is crucial for determining whether the accused Netflix recommendation engine, which the complaint alleges uses a model-based relevance score between metadata embeddings, performs the specific comparison method claimed by the patent Compl. ¶18 Compl. p. 16
  • Intrinsic Evidence for a Broader Interpretation: The patent incorporates by reference a PhD dissertation on semantic processing using "conceptual graphs" and mentions "semantic analysis" generally, suggesting the term could encompass a wide range of techniques for determining meaning ʼ115 Patent, col. 1:13-31 ʼ115 Patent, col. 7:40-60
  • Intrinsic Evidence for a Narrower Interpretation: The claim language is specific: it requires a comparison of "most frequently used words and phrases" from one set of content to another. A defense could argue that modern embedding-based systems, as hinted at in the complaint's exhibits Compl. p. 16, do not operate by comparing explicit lists of frequent words but rather by comparing vector representations in a multi-dimensional space, creating a potential technical mismatch with the claim's literal language.

VI. Other Allegations

  • Indirect Infringement: The complaint alleges inducement of infringement, asserting that LG provides instructional materials like user manuals and online support that guide users to operate the accused products in an infringing manner Compl. ¶23 It also pleads contributory infringement, alleging that the accused components are material to the invention, not staple articles of commerce, and have no substantial non-infringing uses Compl. ¶25
  • Knowledge and Willful Blindness: The complaint alleges Defendant's knowledge of the ’115 Patent at least as of the complaint's filing date, and in the alternative pleads pre-suit willful blindness—claiming on information and belief that LG has a policy of not reviewing patents of others to intentionally remain ignorant of its infringing activities—in support of its indirect-infringement allegations; the complaint does not plead a standalone willful-infringement count or seek enhanced damages under 35 U.S.C. § 284 Compl. ¶22
  • Requested Relief and Jury Demand: The complaint demands a jury trial on all issues so triable and seeks a permanent injunction under 35 U.S.C. § 283, damages of no less than a reasonable royalty together with interest and costs, and an exceptional-case award of attorney fees under 35 U.S.C. § 285 Compl. p. 21

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

This case appears to center on the application of a patent written in the context of the mid-2010s web to the app-centric streaming ecosystem of the 2020s. The key questions for the court will likely include:

  1. A core issue will be one of definitional scope: Can the term "internet page," rooted in patent examples of traditional websites and HTML, be construed broadly enough to cover the proprietary, non-browser user interface of the Netflix application?
  2. A second key issue will be one of technical equivalence: Can the plaintiff prove that the accused recommendation system, which likely relies on modern machine learning and vector embeddings, performs the specific method of compiling and "semantically comparing" lists of "most frequently used words and phrases" as recited in Claim 1, or is there a fundamental mismatch in their technical operation?
  3. A third issue may concern divided infringement: Given that the accused system involves hardware from LG, a service from Netflix, and actions by the end-user, a central question will be whether the plaintiff can establish that LG is legally responsible for all steps of the claimed method under the doctrines of direct or indirect infringement.