2:23-cv-00643
Truesight Communications LLC v. Samsung Electronics Co Ltd
I. Executive Summary and Procedural Information
- Parties & Counsel:- Plaintiff: Truesight Communications LLC (Texas)
- Defendant: Samsung Electronics Co., Ltd (Republic of Korea); Samsung Electronics America, Inc. (New York)
- Plaintiff’s Counsel: Fabricant LLP; Rubino IP; McKool Smith, P.C.
 
- Case Identification: 2:23-cv-00643, E.D. Tex., 06/03/2024 (First Amended Complaint)
- Venue Allegations: Plaintiff alleges venue is proper because Defendants are subject to personal jurisdiction, have committed acts of infringement, and have regular and established places of business in the district. For Samsung Electronics Co., Ltd., a foreign entity, venue is alleged to be proper in any judicial district.
- Core Dispute: Plaintiff alleges that Defendant’s smartphones, tablets, and smart televisions infringe four patents related to digital media access controls, offline content delivery, video chapter navigation, and virtual secure memory.
- Technical Context: The patents address distinct but related features of modern digital media consumption, including managing parental controls, synchronizing offline and streamed content, navigating video chapters, and securing data on internal storage.
- Key Procedural History: The complaint is a First Amended Complaint. Willfulness allegations are tied to knowledge dating back to the filing of the Original Complaint.
Case Timeline
| Date | Event | 
|---|---|
| 2009-10-21 | ’300 Patent Priority Date | 
| 2010-01-11 | ’803 Patent Priority Date | 
| 2010-11-15 | ’749 Patent Priority Date | 
| 2011-04-22 | ’879 Patent Priority Date | 
| 2014-06-03 | ’749 Patent Issued | 
| 2014-11-25 | ’803 Patent Issued | 
| 2015-02-03 | ’879 Patent Issued | 
| 2017-03-14 | ’300 Patent Issued | 
| 2022-02-25 | Samsung Galaxy S22 Launch Date | 
| 2023-12-29 | Original Complaint Filed | 
| 2024-06-03 | First Amended Complaint Filed | 
II. Technology and Patent(s)-in-Suit Analysis
U.S. Patent No. 8,949,879 - "Access Controls for Known Content"
Issued February 3, 2015
The Invention Explained
- Problem Addressed: The patent describes the limitations of conventional V-chip technology in the context of digital libraries viewed by households with multiple individuals of different ages. A single, restrictive policy for all users is insufficient, and giving an older child a master PIN could grant access to all content, undermining parental control (’879 Patent, col. 2:34-53).
- The Patented Solution: The invention provides a system for personalized, per-user, and per-media access controls that can override a device's baseline V-chip policy. It uses a "rating policy enforcement module" and an "authentication database" to associate different users with unique authentication codes (like PINs), allowing, for example, a teenager to access a PG-13 movie while a younger sibling using a different PIN is blocked, all on the same device and for the same content (’879 Patent, Abstract; Fig. 2).
- Technical Importance: The technology aimed to provide more granular and flexible parental controls for on-demand digital content libraries, moving beyond the one-size-fits-all approach of traditional broadcast V-chip systems (’879 Patent, col. 2:21-34).
Key Claims at a Glance
- The complaint asserts at least independent claim 1 (Compl. ¶22).
- Claim 1 is an apparatus claim with key elements including:- a rating policy management module for selectively setting rating based access control on a per media and per user basis, overriding a policy set by a V-chip; and
- a rating policy enforcement module for enforcing access for a plurality of users, where different users have different media rating requirements for the same content;
- wherein a first user is allowed access with a first authentication code (PIN) and a second user is blocked with a second authentication code;
- wherein access is granted upon matching a content identifier to a user identifier and successful authentication.
 
- The complaint reserves the right to assert other claims, including dependent claim 4 (Compl. ¶27).
U.S. Patent No. 8,898,803 - "Content and Identity Delivery System for Portable Playback of Content and Streaming Service Integration"
Issued November 25, 2014
The Invention Explained
- Problem Addressed: The patent identifies a gap between content acquired from a physical point (like a kiosk) for offline viewing and content available from online streaming services. A user may want a portable copy for when they lack internet access but prefer a higher-quality stream when a good connection is available (’803 Patent, col. 1:19-41).
- The Patented Solution: The invention describes a method that integrates a "kiosk delivery system" with a streaming service. A user downloads content (e.g., a standard-definition version) and "user service information" (e.g., account credentials) from a kiosk to a portable memory device. When the memory device is connected to a playback device, the system checks for a network connection. If offline, it plays the downloaded copy. If online with sufficient bandwidth, it uses the stored service information to access the streaming service and play a higher-quality version of the same content (’803 Patent, Abstract; Fig. 3).
- Technical Importance: The invention provides a unified content experience, allowing seamless transition between a locally stored, portable version of media and a higher-quality, network-streamed version without requiring the user to re-authenticate or manually manage two separate libraries (’803 Patent, col. 2:35-41).
Key Claims at a Glance
- The complaint asserts at least independent claim 1 (Compl. ¶36).
- Claim 1 is a method claim with key steps including:- transferring content from a kiosk to a flash memory media device;
- transferring user service information for a streaming service from the kiosk to the device;
- responsive to the device being connected to a playback device, if the playback device has a network connection meeting a speed threshold, using the user service information to stream a higher quality version of the content;
- otherwise, playing back the content stored on the flash memory media device.
 
- The complaint reserves the right to assert other claims (Compl. ¶43).
U.S. Patent No. 9,595,300 - "Contextual Chapter Navigation"
Issued March 14, 2017
Technology Synopsis
The patent addresses the problem of navigating long-form video content. The patented solution is an on-screen display system that presents a video timeline marked with chapter delineations, alongside a series of preview images or video clips corresponding to each chapter, allowing a user to visually select and skip to a desired segment of the video (’300 Patent, Abstract).
Asserted Claims
The complaint asserts at least claim 8 (Compl. ¶51).
Accused Features
The chapter navigation functionality within the YouTube Mobile Application, which is part of the Google Mobile Services pre-installed on the accused Samsung Galaxy S22. The complaint alleges this feature displays a timeline and preview images for each chapter, allowing users to skip through video content (Compl. ¶¶52-55).
U.S. Patent No. 8,745,749 - "Virtual Secure Digital Card"
Issued June 3, 2014
Technology Synopsis
This patent addresses the need for secure storage on devices that may lack a physical, secure hardware element like a Secure Digital (SD) card. The solution is a system and method for generating a "virtual SD card" by creating a secure, partitioned file system on a device's general-purpose storage (e.g., internal flash memory), which mimics the security functions of a physical SD card to protect content governed by Digital Rights Management (DRM) (’749 Patent, Abstract).
Asserted Claims
The complaint asserts at least claim 18 (Compl. ¶67).
Accused Features
The creation of secure file systems on the Samsung KLUDG4UDC-B0E1 UFS 3.1 memory module within the Samsung Galaxy S22. The complaint alleges this system, particularly through the Android Trusty TEE Secure File system, creates a secure storage area that corresponds to the secure area of an SD card, thereby functioning as a virtual SD card (Compl. ¶¶68-71).
III. The Accused Instrumentality
Product Identification
The complaint primarily targets Samsung smartphones, specifically the Samsung Galaxy S22 and Samsung Galaxy S22 Ultra, as well as their component parts, such as the Samsung KLUDG4UDC-B0E1 memory module (Compl. ¶¶15, 17, 22, 36, 51, 67).
Functionality and Market Context
The complaint alleges that the accused smartphones infringe by implementing specific software and hardware functionalities. For the ’879 Patent, infringement is alleged through the use of applications like Google Family Link to set content restrictions (Compl. ¶22). For the ’803 Patent, the accused functionality is the preloaded Netflix Mobile Application, which allows users to download titles for offline viewing and stream when online (Compl. ¶36). A screenshot from a Netflix help page illustrates the download process (Compl. p. 14). For the ’300 Patent, the accused feature is the chapter navigation function in the pre-downloaded YouTube Mobile Application (Compl. ¶52). A screenshot of the YouTube interface shows chapters displayed with preview images and timestamps (Compl. p. 19). For the ’749 Patent, the infringement allegation centers on the internal UFS memory module and its ability to create a secure file system, allegedly for DRM-protected media (Compl. ¶¶68-71).
IV. Analysis of Infringement Allegations
’879 Patent Infringement Allegations
| Claim Element (from Independent Claim 1) | Alleged Infringing Functionality | Complaint Citation | Patent Citation | 
|---|---|---|---|
| An apparatus for setting rating based access controls for known digital content to be played on a video playback device having a V-chip... | The Samsung Galaxy S22, which implements content restrictions via software and hardware (e.g., a System-on-a-Chip), is alleged to be the apparatus. | ¶23 | col. 3:9-12 | 
| ...a rating policy management module for selectively setting rating based access control on a per media and per user basis...thereby overriding a policy set by the V-chip... | The Google Family Link application allows an administrator (parent) to set specific user ratings (e.g., PG-13) for different users (children) and media types, overriding a default policy. | ¶23 | col. 5:58-67 | 
| ...a rating policy enforcement module for enforcing rating based access to the individual digital content for a plurality of users...wherein at least a first user and a second user...have different media rating requirements...for a same specific digital content. | Google Family Link enforces different rating rules for different users (e.g., a 7-year-old and a 14-year-old) for the same content library (e.g., Google Play), blocking or allowing content based on the active user's profile. | ¶24 | col. 6:20-31 | 
| ...wherein a first of the two users is allowed to access the specific digital content based upon a first authentication code and a second of the two users is blocked...based upon a second authentication code. | A first user (e.g., a 14-year-old) can access PG-13 content with their login (first authentication code), while a second user (e.g., a 7-year-old) is blocked from that same content when using their own login (second authentication code). | ¶25 | col. 6:46-56 | 
| ...the first authentication code comprises a personal identification number (PIN)...the first of the two users is allowed to access the specific digital content in response to determining that a content identifier...matches a user identifier...and the personal identification number of the first user is successfully authenticated. | A user's Google login (username and password, which the complaint equates to a PIN) is the authentication code. Access is granted when the user is successfully authenticated and the content's rating is permissible for that user's profile. | ¶26 | col. 6:57-68 | 
Identified Points of Contention
- Scope Question: A primary issue will be the construction of the term "V-chip." The complaint equates it with modern software and hardware-based content restrictions on an SOC (Compl. ¶23). The defense may argue that "V-chip" should be limited to the specific broadcast television hardware mandated by the Telecommunications Act of 1996, as discussed in the patent's background (’879 Patent, col. 1:21-30), which would raise questions about whether the claim reads on a general-purpose smartphone.
- Technical Question: What evidence demonstrates that Google Family Link operates by "overriding a policy set by the V-chip" as the claim requires, versus simply implementing its own standalone policy? The complaint's theory appears to treat the device's most permissive state as the "V-chip policy" that is then overridden by a more restrictive Family Link setting, a point which may be contested.
’803 Patent Infringement Allegations
| Claim Element (from Independent Claim 1) | Alleged Infringing Functionality | Complaint Citation | Patent Citation | 
|---|---|---|---|
| A method of delivering content by integrating a kiosk delivery system with a streaming service... | The Samsung Galaxy S22 integrated with the Netflix Mobile Application is alleged to perform the method. The phone itself is characterized as the "kiosk." | ¶37 | col. 2:35-41 | 
| ...transferring content from a kiosk to a flash memory media device... | A user downloads streaming content (e.g., movies) from Netflix onto the smartphone's internal storage or an SD card. | ¶37 | col. 8:58-62 | 
| ...transferring user service information, including user account information for one or more...streaming services, from the kiosk to the flash memory media device... | Netflix stores user credentials (username, password) on the device's memory. | ¶38 | col. 8:63-67 | 
| ...if the playback device is connected to a network via a network connection having a speed that meets a threshold...the transferred user service information...is used to access...the...streaming services to stream a higher quality version of the content... | When the phone is connected to the internet with sufficient speed (e.g., 5 Mbps for HD), Netflix uses the stored credentials to stream content in high definition. A table in the complaint shows Netflix's recommended speeds (Compl. p. 12). | ¶39 | col. 10:1-14 | 
| ...otherwise, the content stored on the connected flash memory media device is used for playback of the content. | When the phone has no internet connection, the user can watch the movies that were previously downloaded to the device's storage. | ¶40 | col. 10:1-3 | 
Identified Points of Contention
- Scope Question: The central dispute may be whether a personal smartphone running the Netflix app constitutes a "kiosk delivery system" as contemplated by the patent. The complaint alleges the phone itself is the kiosk (Compl. ¶37), while the patent's figures and description appear to suggest a more traditional, stationary kiosk separate from the end user's personal device (’803 Patent, Fig. 1A, element 130).
- Technical Question: Claim 1 requires streaming a "higher quality version" of the content that was "transferred from the kiosk." Does the Netflix app function this way? The complaint alleges this happens (e.g., SD downloaded, HD streamed), but proving that the streamed content is a direct "higher quality version" of the specific downloaded file, as opposed to simply a different stream of the same title, could be an evidentiary hurdle.
V. Key Claim Terms for Construction
For the ’879 Patent
- The Term: "V-chip"
- Context and Importance: This term appears in the preamble of independent claim 1 and anchors the entire claim. The infringement case depends on this term being construed broadly enough to cover modern, software-based parental control systems on a smartphone's SOC, not just the legacy hardware in televisions. Practitioners may focus on this term because its interpretation could be dispositive.
- Intrinsic Evidence for Interpretation:- Evidence for a Broader Interpretation: The specification discusses digital libraries being viewed on a variety of devices beyond televisions, including "mobile phones, laptop or notebook computers, eBook readers, tablets, or desktop computers" (’879 Patent, col. 2:25-29), suggesting the invention was intended to apply to a modern-device context, not just traditional TVs.
- Evidence for a Narrower Interpretation: The "Background" section explicitly grounds the invention in the "Telecommunications Act of 1996" and the system of "V-chip within playback devices (such as a television)" using ratings from television broadcasts (’879 Patent, col. 1:21-30). This could support an argument that the term is tied to that specific technological and regulatory context.
 
For the ’803 Patent
- The Term: "kiosk delivery system"
- Context and Importance: Claim 1 requires "integrating a kiosk delivery system with a streaming service." Plaintiff's infringement theory characterizes the Samsung S22 smartphone itself as the kiosk (Compl. ¶37). If "kiosk" is construed to mean only a stationary, public-facing terminal, the infringement theory may fail.
- Intrinsic Evidence for Interpretation:- Evidence for a Broader Interpretation: The patent does not appear to provide an explicit definition of "kiosk." The description states a kiosk is "placed where it is accessible to customers" (’803 Patent, col. 1:22-23), which could arguably apply to a personal device that is always accessible to its owner. The focus is on the function of content delivery.
- Evidence for a Narrower Interpretation: The patent's Figure 1A depicts a system architecture where the "Kiosk" (130) is a distinct component connected to a "Store Service" (120) and a "System Server" (110). This architecture strongly suggests a fixed, centralized distribution point rather than an end-user's personal mobile device.
 
VI. Other Allegations
Indirect Infringement
For all four patents, the complaint alleges induced infringement. The allegations state that Samsung knowingly and intentionally induces its customers to infringe by providing the accused products (e.g., Galaxy S22) along with "instructions on how to operate the infringing technology" through user guides, websites, and other publications (Compl. ¶¶ 30, 45, 61, 74).
Willful Infringement
The complaint alleges willful infringement based on two theories. First, it alleges knowledge of infringement "at least as of the date of the Original Complaint" (filed December 29, 2023), making subsequent infringement willful (Compl. ¶¶ 29, 44, 60, 73). Second, it alleges willful blindness, stating that Samsung has "adopted a policy of not reviewing the patents of others...thereby remaining willfully blind to the Patent-in-Suit at least as early as the issuance of the Patents-in-Suit" (Compl. ¶¶ 29, 44, 60, 73).
VII. Analyst’s Conclusion: Key Questions for the Case
- A core issue will be one of definitional scope and technological evolution: Can terms rooted in a prior technological era, such as "V-chip" from broadcast television and "kiosk" from physical retail, be construed to cover their modern functional equivalents in a smartphone ecosystem—namely, software-based parental controls and a personal device serving as a content portal? The outcome of this question will be pivotal for the infringement analysis of the ’879 and ’803 patents.
- A second key question will be evidentiary and technical: Assuming the claim terms are construed broadly, does the accused functionality of Samsung's devices, running third-party applications like Google Family Link, Netflix, and YouTube, meet every specific limitation of the asserted claims? This will likely involve a detailed, element-by-element factual dispute over how these applications and the underlying hardware actually operate, particularly concerning the specific data flows and logic required by the ’300 and ’749 patents.