Err Content IP LLC v. Starz Entertainment LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Err Content IP, LLC (Delaware)
  • Defendant: Starz Entertainment LLC (Delaware)
  • Plaintiff's Counsel: Law Office of David J. Hoffman
• Case Identification: 1:26-cv-02271, S.D.N.Y., 03/19/2026
• 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 allegedly committed acts of infringement there.
• Core Dispute: Plaintiff alleges that Defendant's streaming applications and related systems, which allow users to cast content to other devices, infringe a patent related to providing main content on one device while displaying supplementary "extra content" on a second device.
• Technical Context: The technology at issue relates to second-screen experiences, where a user interacts with a primary media device (like a television) and a secondary device (like a smartphone or tablet) to view synchronized, related content.
• Key Procedural History: The complaint notes that Plaintiff and its predecessors have entered into settlement licenses with other entities, but asserts these licenses did not involve admissions of infringement or obligations to produce a patented article, which may be relevant to potential damages and patent marking arguments.

Case Timeline

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

U.S. Patent No. 10,721,542 - "Method and device for providing a main content and an extra content to a user through reference item"

• Patent Identification: U.S. Patent No. 10,721,542 ("the '542 Patent"), titled "Method and device for providing a main content and an extra content to a user through reference item," issued on July 21, 2020.

The Invention Explained

• Problem Addressed: The patent describes a limitation in existing systems where a user viewing broadcast content (e.g., a TV show) must interrupt or leave that "main content" in order to access supplementary information or "extra content" linked within the broadcast, forcing the user to choose between the two experiences '542 Patent, col. 1:35-42
• The Patented Solution: The invention proposes a method where a user can continue viewing the main content on a "first device" while simultaneously accessing and displaying related extra content on a "second device" '542 Patent, abstract This is achieved by forwarding a "reference item" or "metadata" from the first device to the second, which then retrieves the extra content from a separate source, allowing for a synchronized, multi-screen experience '542 Patent, col. 2:23-40 '542 Patent, Fig. 3
• Technical Importance: The described technology aims to enhance user engagement by enabling seamless, parallel consumption of primary media and related supplementary data without interrupting the primary viewing experience '542 Patent, col. 2:16-22

Key Claims at a Glance

• The complaint asserts at least independent claim 1 and dependent claim 3 '542 Patent, ¶17 '542 Patent, ¶22
• Independent Claim 1 recites a method with the following essential elements:
  • Receiving a specific main content and metadata from a first source and displaying the main content on a first device.
  • The metadata and main content are broadcasted together from the first source.
  • The metadata links the main content with an extra content.
  • Forwarding the metadata to a second device.
  • The forwarding is executed by "scanning said metadata by said second device."
  • The second device receives the extra content from a second, different source.
  • The main content is displayed on the first device while the extra content is displayed on the second device.
  • The extra content changes in correspondence to a change in the main content.
• The complaint reserves the right to assert additional claims, including claims 1-14 '542 Patent, ¶23 '542 Patent, ¶24

III. The Accused Instrumentality

Product Identification

• The accused instrumentalities are Defendant's "discovery and discovery plus app and related systems" '542 Patent, ¶15

Functionality and Market Context

• The complaint identifies functionality related to casting content from the Starz application to another device, such as a Chromecast-enabled display '542 Patent, ¶15 This feature allows a user to initiate playback of video content on a mobile device (e.g., a smartphone) and then transfer or control the playback on a separate screen (e.g., a television).
• The complaint alleges these products are distributed and used throughout the United States, including within the Southern District of New York '542 Patent, ¶20
• No probative visual evidence provided in complaint.

IV. Analysis of Infringement Allegations

The complaint references a claim chart in "Exhibit B" that purportedly describes how the Accused Products infringe claims 1 and 3 of the '542 Patent '542 Patent, ¶22 As this exhibit was not provided, the infringement theory is summarized below based on the complaint's narrative allegations.

The plaintiff's infringement theory appears to be that the Starz app running on a primary device (e.g., a smartphone) functions as the "first device" displaying main content. When a user initiates a "cast," the app sends "metadata" (e.g., a link to the video stream) to a "second device" (e.g., a Chromecast dongle connected to a TV). This second device then retrieves the "extra content" (which plaintiff may argue is the main video stream itself) from a "second source" (e.g., Starz's content delivery network). This results in the simultaneous display of content on both devices, allegedly meeting the claim limitations.

• Identified Points of Contention:
  • Scope Questions: A central dispute may arise over the term "scanning." The patent specification explicitly describes this step in the context of optical scanning, such as using a second device to scan a QR code displayed on the first device '542 Patent, col. 3:4-10 The question for the court will be whether the transmission of data over a Wi-Fi network, as in a Chromecast session, can be construed as "scanning" within the meaning of the claim.
  • Technical Questions: The complaint does not specify which content constitutes the "main content" versus the "extra content" in the accused system, or how the roles of "first device" and "second device" map onto a smartphone and a television during a casting session. The characterization of these elements will be a key factual question. For instance, it is unclear what content remains displayed on the first device (the phone) while the "extra content" is displayed on the second device (the TV), as required by the claim.

V. Key Claim Terms for Construction

• The Term: "scanning said metadata by said second device" (from claim 1)
• Context and Importance: This term appears to be the lynchpin of the infringement case. The accused functionality involves wireless network communication (casting), whereas the patent's primary embodiments describe optical scanning. The viability of the infringement claim may depend on whether "scanning" can be construed broadly enough to cover the accused activity.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The claim language itself does not explicitly limit "scanning" to an optical method. A party could argue that in the context of electronic data, "scanning" can mean processing, reading, or receiving a data stream, and is not confined to its common optical meaning.
  • Evidence for a Narrower Interpretation: The specification provides specific examples that support a narrower, more literal interpretation. It states that a reference item can be provided to the second device "by scanning the reference item displayed on the first device via said second device," noting this is "particularly advantageous when using existing visual codes systems, such as QR-codes, bar codes or optical machine-readable data" '542 Patent, col. 3:4-10 Claim 1 itself states the forwarding is "executed by scanning," which may suggest it is the mechanism of transfer, a role that optical scanning fulfills but a wireless protocol may not, in the same sense.

VI. Other Allegations

• Indirect Infringement: The complaint alleges both induced and contributory infringement of claims 1-14 '542 Patent, ¶¶23-24 Inducement is based on allegations that Starz actively encourages and instructs its customers on how to use the accused casting features, citing a support webpage as an example '542 Patent, ¶23 Contributory infringement is alleged on the basis that there are "no substantial noninfringing uses" for the accused products and services '542 Patent, ¶24
• Willful Infringement: Willfulness is alleged based on Defendant's knowledge of the '542 patent "from at least the filing date of the lawsuit" '542 Patent, ¶23 '542 Patent, ¶24 The complaint also makes a conclusory allegation that Defendant has "made no attempt to design around the claims" '542 Patent, ¶18 The prayer for relief seeks a declaration of willful infringement and treble damages '542 Patent, Prayer for Relief ¶e

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

This dispute will likely center on fundamental questions of claim scope and technical mapping. The key issues for the court to resolve appear to be:

• A core issue will be one of claim construction: Can the term "scanning," which the patent specification primarily illustrates through optical examples like QR codes, be construed to encompass the wireless data transmission that occurs in the accused Chromecast-based streaming system?
• A key evidentiary question will be one of technical mapping: How does the architecture of the accused Starz casting feature align with the patent's claimed method? Specifically, what constitutes the "metadata" versus the "extra content," and how does the system meet the limitation of displaying the "specific main content" on the first device while the "extra content" is displayed on the second device?