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Counsel of record in 4 federal IP lawsuits tracked by IP Feed.
- Openfor defendantFed. Cir.2026-03-3110Tales, Inc. v. TikTok Inc.
10Tales sues TikTok and ByteDance for patent infringement over video platform technology.
- Closedfor defendantFed. Cir.2024-02-08Voxer, Inc. v. Meta Platforms, Inc.
Voxer sues Meta and Instagram for infringing its patents on voice messaging technology.
- ClosedFed. Cir.2020-01-16Berkheimer v. HP Inc.
Steven Berkheimer is suing HP Inc. over patent infringement. The case involves a patent related to printer or imaging technology, with major tech industry players including Verizon, Sprint, T-Mobile, and the Electronic Frontier Foundation filing amicus briefs, suggesting the dispute carries significant implications for the broader technology sector.
- Closedfor defendantFed. Cir.2014-04-04Calypso Wireless, Inc. v. T-Mobile USA, Inc.
Calypso Wireless and Drago Daic sued T-Mobile USA for patent infringement in federal court. The case involves a patent dispute, with Jimmy Williamson, P.C. named as a counterclaim defendant-appellant. Specific patent details are not identified in the available case 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.