Heyman Enerio Gattuso & Hirzel LLP

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

2 for plaintiffs1 for defendants
  1. Openfor plaintiffDED2026-09-25
    Arendi S.A.R.L. v. Oath Holdings Inc.

    Arendi sues Apple and Oath for patent infringement related to web technology patents.

  2. Openfor plaintiffDED2026-09-23
    Arendi S.A.R.L. v. Sony Mobile Communications (USA) Inc.

    Arendi S.A.R.L. sued Sony Mobile Communications and other Sony entities for patent infringement. The dispute centers on alleged violations of Arendi's patent rights in mobile technology. Apple was also named as a third-party defendant in the case.

  3. OpenDED2025-04-14
    In re: Zuru LLC

    Disney, NBCUniversal, and A&E Networks challenge Zuru's trademark application in federal court.

  4. Closedfor defendantDED2017-06-30
    Cephalon Inc. v. Sandoz Inc.

    Cephalon sues Sandoz and generic drugmakers for infringing patents on the pharmaceutical product.

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.