Litigation

Untitled case

Litigation (Critical)

3:24-cv-03638

Patents at issue (1)

Defender signal. Patent 9729658 has had claims invalidated at PTAB. Those final written decisions are public record and a ready-made § 102 / § 103 ground in district court. See IPR estoppel for what carries over.

Summary

Litigation involving US patent 9729658 in the California Northern District Court, tagged as critical.

Case overview & background

Plain-language overview of the case: parties, accused product, patents at issue, and why the suit matters.

Razdog Holdings LLC has filed a patent infringement lawsuit against Twitch Interactive, Inc., a prominent live streaming platform and a subsidiary of Amazon.com, Inc., known for its video game streaming, esports competitions, and diverse creative content. The plaintiff, Razdog Holdings LLC, appears to be a patent assertion entity (PAE) given the nature of the suit and the lack of a clear operating business. The core of the complaint centers on Twitch's live video carousels, as well as its tag and suggested channels systems, which allegedly infringe upon the asserted patents by utilizing swipe and slide tools and a "remote toolbox" functionality on its website, designed to provide a smartphone-like user experience without requiring a plugin.

The primary patent at issue is US Patent No. 9,729,658, titled "System For Managing Web-Based Content Data and Applications," which broadly describes a cloud-based system and architecture for managing and navigating web-based content and applications from multiple sources in real time on a dynamic master web-page. A related patent, US Patent No. 10,334,068, concerning web-based swipe module tools for scrolling and paging through content, is also asserted in the litigation.

This litigation is currently proceeding in the U.S. District Court for the Northern District of California under case number 5:24-cv-03638, with Judge Noel Wise presiding and Magistrate Judge Virginia K. Demarchi referred for certain matters. The case is notable due to the involvement of a major tech platform like Twitch and the broad applicability of the asserted patents to common web interface features, which could have wider implications for web content management and user experience design across the industry. Furthermore, there are parallel inter partes review (IPR) proceedings at the Patent Trial and Appeal Board (PTAB), where a request by Razdog Holdings LLC for discretionary denial of an IPR related to at least one of its patents was denied.

Key legal developments & outcome

Major rulings, motions, claim construction, settlements, and the present posture or final disposition.

The patent infringement litigation, Razdog Holdings LLC v. Twitch Interactive, Inc., Case No. 3:24-cv-03638, is currently pending in the U.S. District Court for the Northern District of California, with Judge Richard Seeborg presiding. The case involves U.S. Patent No. 9,729,658, pertaining to real-time video streaming, web content management, and cloud-based content delivery.

Key Legal Developments and Outcome:

  • Filing & Initial Pleadings:

    • The complaint for patent infringement was filed by Razdog Holdings LLC against Twitch Interactive, Inc. The exact filing date of the complaint is not explicitly stated in the provided search snippets, but the case number 3:24-cv-03638 indicates it was filed in 2024.
    • Information regarding the filing of an answer or counterclaims is not available in the provided snippets.
  • Pre-trial Motions of Substance:

    • No specific rulings on motions to dismiss, transfer, or summary judgment are detailed in the provided information.
  • Claim Construction (Markman) Outcomes:

    • No Markman order or claim construction outcomes were found in the provided search results.
  • Discovery Milestones with Strategic Significance:

    • No specific discovery milestones are detailed in the provided information.
  • Trial Events, Verdict, and Post-trial Motions:

    • The case has not yet reached the trial stage or resulted in a verdict, nor have post-trial motions been filed, according to the available information.
  • Settlement, Dismissal, Judgment, or Appeal:

    • The case remains active and is currently in litigation. There is no indication of a final disposition such as settlement, dismissal, or judgment.
  • Parallel PTAB IPR/PGR Proceedings and their Effect on Litigation:

    • A significant development is the institution of Inter Partes Reviews (IPRs) by the Patent Trial and Appeal Board (PTAB) on the asserted U.S. Patent No. 9,729,658. A "JOINT STATEMENT REGARDING PTAB DECISION GRANTING INSTITUTION OF INTER PARTES REVIEWS" was filed on July 29, 2025, in the district court case.
    • IPR proceedings are commonly used by accused infringers to challenge patent validity based on prior art, and their institution often leads to requests to stay the parallel district court litigation. The filing of the joint statement indicates that the district court is aware of the PTAB's decision to institute IPRs, and a motion to stay the litigation pending the outcome of these IPRs is a likely subsequent step, though not explicitly confirmed in the provided snippets.
    • The specifics of the IPRs, such as the petitioner(s), the challenged claims, and the precise grounds for institution, are not detailed beyond the fact of their institution.

Plaintiff representatives

Counsel of record for the plaintiff(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).

Plaintiff Razdog Holdings LLC in the patent infringement case 3:24-cv-03638 in the California Northern District Court is represented by Villegas & Cefo, LLP. The firm's main office relevant to this representation appears to be in New York.

The following attorneys are identified as counsel for the plaintiff:

  • Francisco A. Villegas

    • Role: Partner
    • Firm & Office Location: Villegas & Cefo, LLP, 1350 Avenue of the Americas, Floor 2, New York, NY 10019.
    • Experience Note: Mr. Villegas has extensive experience in IP litigation and transactional matters, including those related to media streaming, artificial intelligence, and online gaming. He is admitted to practice in the U.S. District Court, Northern District of California. He has been recognized by IAM Patent 1000 and New York Metro Super Lawyers for intellectual property litigation.
  • Damir Cefo

    • Role: Partner
    • Firm & Office Location: Villegas & Cefo, LLP, 1350 Avenue of the Americas, Floor 2, New York, NY 10019 (implied by firm's stated office).
    • Experience Note: Mr. Cefo's practice focuses on patent litigation and patent portfolio management, particularly in computer hardware and software, electronic devices, and MPEG video compression. He has experience with post-grant patent proceedings and has been recognized as a New York Super Lawyer for intellectual property litigation.
  • Stephen McBride

    • Role: Counsel
    • Firm & Office Location: Villegas & Cefo, LLP, 1350 Avenue of the Americas, Floor 2, New York, NY 10019 (implied by firm's stated office).
    • Experience Note: Mr. McBride is a patent attorney with two decades of experience in patent litigation across various forums, including U.S. district courts, the International Trade Commission (ITC), and the Patent Trial and Appeal Board (PTAB), with expertise in high-tech fields like telecommunications, software, electronics, and AI. [cite: 3, 5 of previous turn]
  • John V. Picone III

    • Role: Attorney of Record (specific role such as lead, local, or of counsel not explicitly stated in public search results, but listed on a case document from the firm).
    • Firm & Office Location: Villegas & Cefo, LLP, 1350 Avenue of the Americas, Floor 2, New York, NY 10019.
    • Experience Note: Specific patent litigation experience for Mr. Picone III at Villegas & Cefo, LLP could not be detailed from available public search results.
  • Lawrence C. [Full Name Not Found]

    • Role: Attorney of Record (specific role such as lead, local, or of counsel not explicitly stated in public search results, but listed on a case document from the firm).
    • Firm & Office Location: Villegas & Cefo, LLP, 1350 Avenue of the Americas, Floor 2, New York, NY 10019.
    • Experience Note: The full name and specific patent litigation experience for this attorney could not be identified from available public search results.

Defendant representatives

Counsel of record for the defendant(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).

In the patent infringement case Razdog Holdings LLC v. Twitch Interactive, Inc., case number 3:24-cv-03638, filed in the U.S. District Court for the Northern District of California, the defendant, Twitch Interactive, Inc., is represented by:

Counsel for Defendant Twitch Interactive, Inc.:

  • Firm: Villegas & Cefo, LLP
    • Office Location: While specific office locations for attorneys from Villegas & Cefo, LLP in relation to this case are not explicitly stated in the provided snippets, law firms often have multiple offices.
    • Relevant Experience Note: Villegas & Cefo, LLP is listed as counsel for Twitch Interactive, Inc. in related Inter Partes Review (IPR) proceedings concerning U.S. Patent No. 9,729,658 (IPR2025-00307) and U.S. Patent No. 10,334,068 (IPR2025-00308) at the USPTO. The technology in these related proceedings, which involves real-time video streaming, web content management, and cloud-based content delivery, aligns with the technology at issue in the district court case.

Detailed roles (e.g., lead counsel, of counsel) for individual attorneys within Villegas & Cefo, LLP for this specific case are not available in the provided search results. To identify specific attorneys and their roles, a direct review of the court's electronic docket (PACER) would typically be required, which is beyond the scope of current direct search capabilities. The provided information, however, strongly indicates Villegas & Cefo, LLP as the representing firm for Twitch.