Hilgers Graben PLLC

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

3 for plaintiffs
  1. Openfor plaintiffTXND2026-07-31
    Lemko Corporation v. Microsoft Corporation

    Lemko Corporation sues Microsoft and Affirmed Networks for infringing its patents.

  2. Closedfor plaintiffC.D. Cal.2026-05-28
    Colibri Heart Valve LLC v. Medtronic CoreValve LLC

    Colibri Heart Valve sues Medtronic CoreValve for infringing patents on transcatheter heart valve technology.

  3. OpenTXED2025-12-19
    Fall Line Patents, LLC v. Wingstop Inc.

    Fall Line Patents sues major restaurant chains including Wingstop, IHOP, Applebee's, and Domino's for patent infringement.

  4. Openfor plaintiffTXND2025-03-04
    Valtrus Innovations Ltd v. Google LLC

    Valtrus Innovations sued Google and Key Patent Innovations for patent infringement in federal court.

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.