Quinn Emanuel Urquhart & Sullivan

Counsel of record in 4 federal IP lawsuits tracked by IP Feed.

2 for plaintiffs2 for defendants
  1. Openfor defendantN.D. Cal.2026-07-21
    Carreyrou v. Anthropic PBC

    Journalist John Carreyrou sues Anthropic for copyright infringement over allegedly unlicensed use of his published works.

  2. Closedfor defendantC.D. Cal.2026-07-21
    Sonos, Inc. v. Google LLC

    Sonos sues Google for infringing patents on wireless speaker technology and audio streaming systems.

  3. Openfor plaintiffC.D. Cal.2026-07-21
    Masimo Corporation v. Apple Inc.

    Masimo sues Apple for allegedly infringing patents on wearable health monitoring technology in smartwatches.

  4. Closedfor plaintiffS.D. Cal.2026-07-20
    Taction Technology, Inc. v. Apple Inc.

    Taction Technology sues Apple for allegedly infringing its patents in Apple products or services.

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.