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In Re: OpenAI, Inc. Copyright Infringement Litigation
Case Number:
1:25-md-03143
Court:
Nature of Suit:
Multi Party Litigation:
Multi-district Litigation, Class Action
Judge:
Firms
- Arnold & Porter
- Benesch
- Boies Schiller
- Bursor & Fisher
- Cafferty Clobes
- Cooley LLP
- Cowan DeBaets
- Debevoise & Plimpton
- Faegre Drinker
- FBT Gibbons
- Joseph Saveri Law Firm
- Keker Van
- Klaris Law
- Kwun Bhansali
- Latham & Watkins
- Lewis & Llewellyn
- Lieff Cabraser
- Loevy & Loevy
- Miller Korzenik
- Morrison & Foerster
- Orrick Herrington
- Paul Weiss
- Polsinelli PC
- Practus LLP
- Rothwell Figg
- Ruttenberg IP Law
- Saveri & Saveri
- Sheppard Mullin
- Steptoe LLP
- Susman Godfrey
- Ventura Hersey
- Williams & Connolly
- Wilson Elser
- Wilson Sonsini
- Womble Bond
Companies
- Everyday Health Group
- Hachette Book Group Inc.
- HarperCollins Publishers LLC
- Microsoft Corp.
- OpenAI OpCo LLC
- Penguin Random House LLC
- Simon & Schuster Inc.
- Simon & Schuster LLC
- The New York Times Co.
- U.S. News & World Report LP
- Ziff Davis Holdings Inc.
Sectors & Industries:
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January 05, 2026
OpenAI Told To Produce 20M ChatGPT Logs In Copyright Case
OpenAI must turn over 20 million anonymized user logs to The New York Times, authors and other plaintiffs pursuing claims that the artificial intelligence company improperly used their copyrighted content, a New York federal judge ruled Monday.
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January 02, 2026
Copyright Cases To Watch In 2026
U.S. federal courts this year will continue to review consequential copyright infringement suits involving artificial intelligence, while appeals court decisions remain pending in a pair of notable fair use cases involving ROSS Intelligence and Microsoft. Here are Law360's picks for copyright cases to watch in 2026.
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December 22, 2025
Authors Push For OpenAI Counsel Talks On Pirated Books
A class of authors suing OpenAI over copyright infringement claims has asked a Manhattan federal judge to leave in place a magistrate judge's order for the artificial intelligence startup to turn over its in-house attorneys' communications regarding the deletion of a set of pirated books that were allegedly used to train ChatGPT.
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November 24, 2025
OpenAI Attys Must Share Internal Comms In Copyright MDL
A New York federal magistrate judge on Monday ordered OpenAI's in-house attorneys to share their internal communications regarding deleted training datasets with authors suing over the alleged use of copyrighted works to train ChatGPT, rejecting OpenAI's argument that the communications are privileged.
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November 10, 2025
OpenAI Must Turn Over 20M User Logs, Judge Orders
A federal magistrate judge has ordered OpenAI to turn over 20 million anonymized user logs to news outlets that claim the artificial intelligence company made improper use of their copyrighted content.
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October 28, 2025
OpenAI Can't Strike Authors' Pirated Book Download Claims
OpenAI cannot shave copyright infringement claims alleging it downloaded books from illegal online sources out of litigation brought by some of the biggest names in literature and journalism, a Manhattan federal judge ruled, rejecting the artificial intelligence company's argument that the allegation violated a court order barring new claims.
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October 27, 2025
OpenAI Can't Shake Authors' ChatGPT Infringement Claim
Some of the biggest names in literature and journalism can pursue their claim of direct copyright infringement against OpenAI based on the outputs of ChatGPT, a Manhattan federal judge ruled Monday, saying the complaint "squarely alleges" actual copying of the writers' works and substantially similar artificial intelligence outputs.
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October 08, 2025
OpenAI Says Copyright Case Isn't About AI Outputs
OpenAI told a Manhattan federal judge Wednesday that a group of authors should not be allowed to argue that ChatGPT spits out summaries or verbatim portions of their books in a copyright infringement case, saying this is an additional theory of infringement that would make discovery more onerous than it already is.
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September 10, 2025
Plaintiffs Seek Info From Microsoft, OpenAI In Copyright MDL
A proposed class of authors suing over the alleged use of works to train ChatGPT has asked a Manhattan federal judge to force Microsoft to hand over documents they said could be a "smoking gun of copyright infringement," while a group of news organizations said OpenAI should turn over materials on low-quality, artificial intelligence-generated news sites.
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July 21, 2025
Copyright And TM Cases To Watch In The Second Half Of 2025
The U.S. Supreme Court will evaluate contributory liability in a $1 billion copyright case involving internet service providers, and the Federal Circuit will assess the latest attempted trademark registration testing the U.S. Patent and Trademark Office's comfort with profanity. Here are the copyright and trademark cases to watch for the rest of the year.
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