Mitchell Silberberg & Knupp
Counsel of record in 33 federal IP lawsuits tracked by IP Feed.
- Openfor defendantC.D. Cal.2026-09-04Ivory Paynes v. Devante McCreary
Ivory Paynes sues Devante McCreary and music industry parties for copyright infringement.
- Openfor defendantS.D.N.Y.2026-09-04Mcgucken v. Celebrity Cruises, Inc.
Dr. Elliot Mcgucken sues Celebrity Cruises and Royal Caribbean for copyright infringement over allegedly stolen creative works.
- Openfor plaintiffC.D. Cal.2026-09-04Activision Publishing, Inc. v. Julian Angel Valenzuela
Activision sues Julian Angel Valenzuela for copyright infringement and DMCA violations related to digital content.
- Openfor plaintiffC.D. Cal.2026-09-03Activision Publishing, Inc. v. Ryan Rothholz
Activision Publishing sues Ryan Rothholz and others for copyright infringement.
- Openfor defendantC.D. Cal.2026-09-03Bosko Kante v. Dua Lipa
Bosko Kante is suing Dua Lipa, Warner Records, Warner Music Group, and others for copyright infringement in federal court. The lawsuit alleges unauthorized use of Kante's work in connection with Lipa's music or recordings. The case centers on claims that Kante's intellectual property rights were violated.
- Openfor plaintiffC.D. Cal.2026-09-01Zynga, Inc. v. Flow Games Bilisim Yazilim ve Pazarlama Anonim Sirketi
Zynga is suing Flow Games and Peak Games for copyright infringement over mobile game assets and design elements. The case centers on allegations that Flow Games copied protected creative content from Zynga's popular mobile gaming titles. The Central District of California lawsuit seeks damages for the unauthorized use of Zynga's copyrighted game materials.
- Openfor plaintiffC.D. Cal.2026-09-01Blizzard Entertainment, Inc. v. Derek S. Powell
Blizzard Entertainment sues Powell for copyright infringement in federal court.
- Openfor plaintiffN.D. Cal.2026-08-28UMG Recordings, Inc. v. Last Brand, Inc.
UMG Recordings sues Last Brand for copyright infringement over allegedly unauthorized music use.
- Openfor plaintiffC.D. Cal.2026-08-25Take Two Interactive Software, Inc. v. Playerauctions, Inc.
Take Two Interactive sues Playerauctions for copyright infringement over virtual game item sales.
- Openfor defendantC.D. Cal.2026-08-19Artist Revenue Advocates, LLC v. Kanye Omari West
Artist Revenue Advocates sues Kanye West for copyright infringement related to music or content.
- Openfor defendantC.D. Cal.2026-08-07Carl Watts v. Universal Pictures
Carl Watts sues Universal Pictures for allegedly copying his copyrighted work without permission.
- Openfor plaintiffC.D. Cal.2026-08-06Dua Lipa v. Samsung Electronics America, Inc.
Dua Lipa sues Samsung for copyright infringement over unauthorized use of her work.
- Openfor defendantILND2026-07-27Rasputin Stash LLC, at al. v. Campbell
Rasputin Stash LLC and others sue Cory Woods, Campbell, and music industry figures for copyright infringement.
- Openfor defendantC.D. Cal.2026-07-20Spheres Music, LLC v. John Murphy
Spheres Music sues John Murphy and Warner Bros. for copyright infringement over music composition.
- Openfor defendantC.D. Cal.2026-06-23Michael Giordano v. EMI Blackwood Music Inc.
Michael Giordano sues EMI Blackwood Music and others for copyright infringement over a musical work.
- ClosedC.D. Cal.2026-06-17Core Optical Technologies, LLC v. Nokia Corporation
Core Optical Technologies sues Nokia and Cisco for infringing optical technology patents.
- Closedfor plaintiffC.D. Cal.2026-06-01Blizzard Entertainment, Inc. v. Turtle Wow
Blizzard Entertainment sues Turtle Wow for copyright infringement over unauthorized use of World of Warcraft game content.
- Openfor plaintiffC.D. Cal.2026-05-13Spyglass Media Group LLC v. The Alterian Ghost Factory, Inc. d/b/a Alterian, Inc.
Spyglass Media sues Alterian over copyright infringement regarding film or media intellectual property rights.
- Openfor defendantC.D. Cal.2026-05-11The Alterian Ghost Factory, Inc. v. Easter Unlimited, Inc.
The Alterian Ghost Factory sues Easter Unlimited for copyright infringement over allegedly stolen creative content.
- Closedfor plaintiffC.D. Cal.2026-04-21Activision Publishing, Inc. v. Warzone.com, LLC
Activision sues Warzone.com over trademark rights to the "Warzone" name used in its Call of Duty game.
- Openfor defendantC.D. Cal.2026-03-31RG Media Properties, LLC v. Blumhouse Productions, LLC
RG Media Properties sues Blumhouse Productions for copyright infringement over allegedly copied creative work.
- Openfor plaintiffWAWD2025-10-07Nintendo of America Inc v. Williams
Nintendo sues James C Williams for copyright infringement in the Western District of Washington.
- Closedfor defendantC.D. Cal.2025-07-02Marc Wolstenholme v. Riot Games, Inc.
Marc Wolstenholme sues Riot Games for copyright infringement over League of Legends game content.
- Openfor plaintiffN.D. Cal.2025-05-02Zynga, Inc. v. AdOne Pte. Ltd.
Zynga sues AdOne and Rollic Games for copyright infringement over mobile game assets and code.
- Openfor defendantS.D.N.Y.2024-09-12LaGreca v. Universal Music Group
Salvatore LaGreca sued Universal Music Group for copyright infringement in federal court.
- Openfor defendantS.D.N.Y.2024-02-07Minden Pictures, Inc. v. Seeking Alpha Inc.
Minden Pictures sues Seeking Alpha for copyright infringement over unauthorized use of photographic content.
- Openfor plaintiffN.D. Cal.2023-04-05Take-Two Interactive Software, Inc. v. Papenhoff
Take-Two Interactive sued Papenhoff and others for copyright infringement.
- Closedfor plaintiffN.D. Cal.2023-02-21Bungie, Inc. v. Thorpe
Bungie sues Thorpe and others for copyright infringement, alleging unauthorized use of Bungie's creative works.
- Openfor defendantS.D. Cal.2022-11-14Brooks Entertainment, Inc. v. Activision Blizzard, Inc.
Brooks Entertainment sues Activision Blizzard and Rockstar Games for trademark infringement under the Lanham Act.
- Openfor plaintiffC.D. Cal.2021-09-30ABKCO Music Inc. v. Roblox Corporation
Music publishers sue Roblox for copyright infringement over unlicensed songs in the gaming platform.
- Closedfor plaintiffN.D. Cal.2018-12-20Blizzard Entertainment, Inc. v. Lilith Games (Shanghai) Co. Ltd.
Blizzard Entertainment sued Lilith Games, uCool, and related entities for copyright infringement over a mobile game allegedly copying World of Warcraft's distinctive characters, gameplay, and visual elements. The case targets what Blizzard claims is unauthorized use of its copyrighted game assets and mechanics in a competing title distributed through Valve's platform.
- Closedfor plaintiffC.D. Cal.2012-04-26Perfect 10 Inc v. Google Inc
Perfect 10, an adult content publisher, is suing Google for copyright infringement over Google's indexing and display of Perfect 10's copyrighted photographs in Google Images search results. The case challenges whether Google's thumbnail images and cached versions of Perfect 10's works constitute fair use or infringing reproduction.
- Closedfor plaintiffC.D. Cal.2003-10-07UMG Recordings Inc v. Chris Larson
UMG Recordings and major record labels including Sony Music, Warner Bros Records, Capitol Records, and Arista Records sued Chris Larson for copyright infringement. The case involves unauthorized use of recorded music, with the major recording companies seeking damages for violations of federal copyright law.
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.