Sidley Austin LLP
Counsel of record in 22 federal IP lawsuits tracked by IP Feed.
- Openfor plaintiffC.D. Cal.2026-10-08Atlantic Music Group LLC v. Pacific Sunwear of California LLC
Major record labels including Atlantic Recording, Warner Music, Bad Boy Records, and Elektra Entertainment are suing Pacific Sunwear of California over copyright infringement involving motion pictures and audiovisual works. The labels claim Pacific Sunwear, a clothing retailer, unlawfully used or distributed copyrighted musical compositions and recordings without authorization.
- Openfor defendantC.D. Cal.2026-09-29Shopnomix LLC v. Ad.com Interactive Media Inc.
Pronomix.ai and Shopnomix are suing Ad.com Interactive Media for trademark infringement under the Lanham Act. The plaintiffs allege Ad.com unlawfully used their trademark, likely related to their Pronomix.ai or Shopnomix brands in the digital advertising or e-commerce space. The case centers on whether Ad.com's use creates consumer confusion and damages the plaintiffs' brand rights.
- Openfor defendantN.D. Cal.2026-09-25Cook v. Meta Platforms, Inc.
Jennifer L. Cook sues Meta Platforms for copyright infringement in federal court.
- Openfor plaintiffS.D.N.Y.2026-09-22Sony Music Entertainment v. Slacker, Inc.
Sony Music Entertainment sues Slacker Inc. for copyright infringement over unauthorized music streaming.
- Closedfor defendantC.D. Cal.2026-06-01William Frederick Durst v. Universal Music Group, Inc.
Limp Bizkit frontman William Frederick Durst and his label Flawless Records are suing Universal Music Group for copyright infringement. The lawsuit targets alleged unauthorized use of copyrighted material, though the specific work at issue is not identified in the court filings. The case is proceeding in the Central District of California.
- Closedfor plaintiffS.D.N.Y.2026-04-24Atlantic Recording Corporation v. Anna's Archive
Major record labels sue Anna's Archive for copyright infringement over unauthorized music distribution.
- Openfor defendantS.D.N.Y.2026-04-06Montres Breguet S.A. v. Samsung Electronics Co. Ltd.
Montres Breguet sues Samsung for trademark infringement over smartwatch design copying luxury watchmaker's distinctive style.
- Openfor plaintiffN.D. Cal.2024-06-24Realtek Semiconductor Corp. v. Advanced Micro Devices Inc.
Realtek Semiconductor sues AMD for infringing its patents in semiconductor technology.
- Closedfor defendantS.D.N.Y.2024-03-20Sobol v. UMG Recordings, Inc.
Stan Sobol sues UMG Recordings and others for copyright infringement involving musical compositions and recordings.
- Closedfor defendantWAWD2024-01-05O'Brien v. Microsoft Corporation
Royal J O'Brien sues Microsoft for patent infringement under 35 U.S.C. § 271.
- Openfor defendantC.D. Cal.2023-03-02James Reid v. Warner Music Group Corp
James Reid sues Warner Music Group for copyright infringement over music rights dispute.
- Openfor plaintiffC.D. Cal.2022-01-26Sony Music Entertainment v. Gymshark Limited
Sony Music Entertainment sues Gymshark Limited for copyright infringement over unauthorized use of recorded music.
- Closedfor defendantN.D. Cal.2021-07-13Speed Track, Inc. v. Amazon.com, Inc.
Speed Track sues Amazon and major retailers for patent infringement across e-commerce operations.
- Closedfor plaintiffDED2021-04-02Evolved Wireless, LLC v. Microsoft Corporation
Evolved Wireless sues Microsoft for infringing wireless technology patents.
- ClosedC.D. Cal.2021-03-04Pharrell Williams v. Bridgeport Music Inc
Pharrell Williams, Robin Thicke, and Clifford Harris Jr. sued Bridgeport Music and the Gaye family estate over copyright infringement. The lawsuit centers on allegations that their work infringed composition or sound recording copyrights. Multiple record labels and music distributors are named as counter-defendants and third parties.
- Closedfor plaintiffTXND2018-12-11ZeniMax Media Inc. v. Samsung Electronics Co Ltd
ZeniMax Media and ID Software sued Samsung over alleged copyright infringement. The lawsuit centers on whether Samsung's devices or technologies unlawfully used copyrighted material owned by ZeniMax, a major gaming and entertainment company behind franchises like The Elder Scrolls and Doom.
- ClosedN.D. Cal.2016-12-15Richtek Technology Corporation v. uPI Semiconductor Corporation
Richtek Technology sues uPI Semiconductor for patent infringement involving power management or semiconductor technology.
- Closedfor defendantTXED2015-11-04Phoenix Licensing, L.L.C. v. CenturyLink, Inc.
Phoenix Licensing and LPL Licensing sued CenturyLink, T-Mobile, Charter Communications, and others for patent infringement. The case involves a patent dispute in federal court in Texas, with major telecommunications and media companies named as defendants alongside airlines and other corporations.
- Closedfor plaintiffN.D. Cal.2014-12-08HTC Corporation v. Technology Properties Limited
Technology Properties Limited, Patriot Scientific Corporation, HTC America, HTC Corporation, and Samsung Electronics sued Samsung Electronics Co., Qualcomm Inc., and Alliacense Limited over patent infringement. The case involves a declaratory judgment action in federal court concerning patent rights, with Texas Instruments appearing as a movant in the proceedings.
- Closedfor defendantILND2014-06-02Select Retrieval, LLC v. ABT Electronics, Inc.
Select Retrieval, LLC and three co-plaintiffs (Euromarket Designs, OfficeMax, and W.W. Grainger) sued 19 defendants including Hallmark.com, Motorola Mobility, Ace Hardware, and others for patent infringement. The lawsuit concerns a patented technology or method, but the specific patent number and innovation are not identified in the case record. The case was filed in the Northern District of Illinois.
- Closedfor defendantTXED2010-10-15PACid Group, LLC v. Apple Inc.
PACid Group sues Apple and major tech manufacturers for patent infringement involving networking and semiconductor technology.
- Closedfor plaintiffN.D. Cal.2008-09-19Atmel Corporation v. Authentec Inc
Atmel Corporation is suing Authentec Inc. for patent infringement in the Northern District of California. The dispute involves patent claims related to authentication or security technology, with Lexar Media Inc. also named among the parties. The case centers on whether Authentec's products infringe Atmel's patented 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.