Cleary Gottlieb Steen & Hamilton LLP

Counsel of record in 18 federal IP lawsuits tracked by IP Feed.

1 for plaintiffs15 for defendants
  1. Openfor defendantN.D. Cal.2026-10-21
    Cognella, Inc. v. Meta Platforms, Inc.

    Cognella sues Meta for copyright infringement over allegedly unauthorized use of its educational content.

  2. Openfor defendantN.D. Cal.2026-10-21
    Strike 3 Holdings, LLC v. Meta Platforms, Inc.

    Strike 3 Holdings sues Meta for copyright infringement over allegedly unauthorized adult content on its platforms.

  3. Openfor defendantN.D. Cal.2026-10-19
    Carreyrou v. Anthropic PBC

    Journalists and authors including John Carreyrou are suing AI companies including Anthropic, OpenAI, Google, Meta, and others for copyright infringement, alleging their published works were used to train large language models without permission or compensation. The case targets the unauthorized use of copyrighted articles, books, and journalism to build commercial AI systems.

  4. Openfor defendantN.D. Cal.2026-10-19
    Cambronne Inc. v. Meta Platforms, Inc.

    John Carreyrou sues Meta for allegedly infringing copyright on content related to his investigative work.

  5. Openfor defendantN.D. Cal.2026-10-07
    Chicken Soup for the Soul, LLC v. Meta Platforms Inc.

    Chicken Soup for the Soul sues Meta and AI companies for copyright infringement over training data use.

  6. Openfor defendantN.D. Cal.2026-10-06
    Entrepreneur Media, LLC v. Meta Platforms, Inc.

    Entrepreneur Media sues Meta for copyright infringement over allegedly stolen content.

  7. Openfor plaintiffN.D. Cal.2026-09-29
    Yangtze Memory Technologies Company, Ltd. v. Micron Technology, Inc.

    Yangtze Memory Technologies sued Micron Technology for allegedly infringing its patents related to memory technology.

  8. OpenC.D. Cal.2026-09-28
    Art Records, LLC v. Youtube, LLC

    Art Records and a coalition of Turkish music producers and distributors sued YouTube for copyright infringement over unlicensed musical recordings. The case targets YouTube's hosting of copyrighted sound recordings from multiple Turkish music labels and production companies without proper licensing or compensation.

  9. Openfor defendantN.D. Cal.2026-09-25
    Reed Semiconductor Corp. v. Monolithic Power Systems, Inc.

    Reed Semiconductor is suing Monolithic Power Systems for patent infringement. The lawsuit centers on semiconductor technology patents, with Reed alleging that Monolithic Power's products infringe its intellectual property rights in the semiconductor design and manufacturing space.

  10. Openfor defendantN.D. Cal.2026-09-25
    Headwater Research LLC v. Google LLC

    Headwater Research is suing Google for patent infringement. The lawsuit centers on patents related to network technology and data management systems. The case seeks damages for Google's alleged unauthorized use of Headwater's patented inventions in its products and services.

  11. Openfor defendantTXED2026-09-22
    Edge Networking Systems LLC v. Amazon.Com, Inc.

    Edge Networking Systems sues Amazon for patent infringement related to networking technology.

  12. Closedfor defendantN.D. Cal.2026-08-10
    Huckabee v. Meta Platforms, Inc.

    Mike Huckabee and others sue Meta Platforms for copyright infringement.

  13. Closedfor defendantN.D. Cal.2026-08-10
    Chabon v. Meta Platforms Inc.

    A group of prominent American authors—including Michael Chabon, Junot Díaz, Ta-Nehisi Coates, and others—sued Meta Platforms in federal court alleging copyright infringement. The lawsuit centers on Meta's use of the authors' published works without permission, likely involving training data for AI systems or unauthorized republication. The case raises major questions about tech companies' rights to use copyrighted literary works.

  14. Openfor defendantN.D. Cal.2026-07-16
    Autodesk, Inc. v. Google LLC

    Autodesk sues Google for trademark infringement over use of Autodesk's marks.

  15. Openfor defendantTXED2026-04-24
    Celerity IP LLC v. AT&T Corp

    Celerity IP sues AT&T, Ericsson, T-Mobile, and others for patent infringement involving wireless technology.

  16. Openfor defendantS.D.N.Y.2026-03-24
    Huckabee v. Bloomberg L.P.

    Mike Huckabee and others sue major AI and tech companies for copyright infringement over training data.

  17. ClosedS.D.N.Y.2026-03-18
    Bprotocol Foundation v. Universal Navigation Inc.

    LocalCoin Ltd. and Bprotocol Foundation sued Uniswap Foundation and Universal Navigation Inc. over patent infringement in the Southern District of New York. The case involves a patent-related dispute in the decentralized finance space, with major crypto policy and research organizations filing as amici curiae.

  18. Closedfor defendantN.D. Cal.2023-12-29
    Enplas Display Device Corporation v. Seoul Semiconductor Company, Ltd.

    Enplas Display Device sues Seoul Semiconductor for infringing its patents in display device technology.

Counsel sourced from public CourtListener docket records; firm names are normalized across spellings and office locations. Appearing for a party is not an endorsement of any position.