Klarquist Sparkman LLP

Counsel of record in 12 federal IP lawsuits tracked by IP Feed.

10 for defendants
  1. Openfor defendantTXED2026-09-22
    Edge Networking Systems LLC v. Amazon.Com, Inc.

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

  2. Openfor defendantS.D.N.Y.2026-08-13
    Style Chicks, LLC v. Mad Hippie, LLC

    Style Chicks sued Mad Hippie and several distributors including Amazon for copyright infringement. The case centers on allegedly copied designs or creative works sold through online retail channels. Multiple defendants are accused of profiting from Style Chicks' intellectual property without authorization.

  3. Openfor defendantC.D. Cal.2026-07-10
    Barry W. Rosen v. Amazon.com, Inc.

    Barry Rosen sues Amazon for copyright infringement over unspecified creative work.

  4. Closedfor defendantTXED2026-07-07
    ParTec AG v. Microsoft Corporation

    ParTec AG sues Microsoft for allegedly infringing patents related to computing technology.

  5. Openfor defendantTXED2026-07-06
    Fleet Connect Solutions LLC v. Portable Multimedia Ltd T/A Nextbase

    Fleet Connect Solutions sues Nextbase for allegedly infringing its patent technology for vehicle fleet management solutions.

  6. Openfor defendantGAND2026-06-01
    Johnson v. Stephens

    Sheri Johnson sues Cardi B and others for copyright infringement over music allegedly used without permission.

  7. Openfor defendantILND2026-04-14
    Regal Games LLC v. SellerX Eight GmbH

    Regal Games sues SellerX Eight and Amazon over trademark infringement for gaming products sold online.

  8. Closedfor defendantS.D.N.Y.2026-01-05
    Reveron v. Zumiez, Inc.

    Reveron sues Zumiez and multiple retailers for trademark infringement involving allegedly counterfeit merchandise.

  9. OpenTXND2024-08-26
    DeFries v. MSB Trade Inc

    DeFries sues multiple rhinestone and craft suppliers for patent infringement in federal court.

  10. ClosedTXED2024-05-20
    Team Worldwide Corporation v. Academy, LTD d/b/a Academy Sports + Outdoors

    Team Worldwide sues Academy Sports and major retailers for patent infringement over unspecified technology.

  11. Openfor defendantTXED2021-08-18
    Lowe v. Warner Media LLC

    Walter Lowe sues Warner Media, HBO, Warner Bros., and retailers for copyright infringement over unspecified creative work.

  12. Closedfor defendantS.D.N.Y.2021-06-08
    Brown v. Netflix, Inc.

    Tamita Brown is suing Netflix, Apple, and Amazon for copyright infringement. The lawsuit alleges the defendants unlawfully used Brown's copyrighted work without permission or compensation. The case also names Jason T Chapman and Glen S Chapman as parties, though their specific roles in the dispute are not detailed in the available filing information.

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.