Klarquist Sparkman LLP
Counsel of record in 9 federal IP lawsuits tracked by IP Feed.
- Openfor defendantTXED2026-07-23Edge Networking Systems LLC v. Amazon.Com, Inc.
Edge Networking Systems sues Amazon for patent infringement related to networking technology.
- Openfor defendantC.D. Cal.2026-07-10Barry W. Rosen v. Amazon.com, Inc.
Barry Rosen sues Amazon for copyright infringement over unspecified creative work.
- Openfor defendantTXED2026-07-06Fleet 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.
- Openfor defendantGAND2026-06-01Johnson v. Stephens
Sheri Johnson sues Cardi B and others for copyright infringement over music allegedly used without permission.
- Closedfor defendantTXED2026-05-28ParTec AG v. Microsoft Corporation
ParTec AG sues Microsoft for allegedly infringing patents related to computing technology.
- Openfor defendantILND2026-04-14Regal Games LLC v. SellerX Eight GmbH
Regal Games sues SellerX Eight and Amazon over trademark infringement for gaming products sold online.
- Closedfor defendantS.D.N.Y.2026-01-05Reveron v. Zumiez, Inc.
Reveron sues Zumiez and multiple retailers for trademark infringement involving allegedly counterfeit merchandise.
- OpenTXND2024-08-26DeFries v. MSB Trade Inc
DeFries sues multiple rhinestone and craft suppliers for patent infringement in federal court.
- ClosedTXED2024-05-20Team 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.
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.