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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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April 08, 2026
OpenAI Witness Was Unprepared In IP MDL Depo, Judge Finds
A New York federal judge has given news organizations and authors additional time to depose an OpenAI employee in litigation accusing the artificial intelligence company of using copyrighted material to train ChatGPT, saying the employee's lack of preparation and OpenAI counsel's "pattern of repeated objections" impeded his earlier deposition.
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March 16, 2026
Encyclopedia Britannica Latest To Lob IP Claims At OpenAI
Encyclopedia Britannica and its American subsidiary Merriam-Webster on Friday became the latest to accuse ChatGPT maker OpenAI Inc. of copyright infringement, claiming that the artificial intelligence products infringe their copyrights in multiple ways, according to a complaint filed in New York federal court.
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March 10, 2026
OpenAI Must Produce Chat Logs, Exec Diary In Copyright MDL
A federal magistrate judge in New York ordered OpenAI to furnish an executive's personal journal along with tens of millions of ChatGPT logs in response to requests by news organizations and authors in their copyright litigation against the artificial intelligence company.
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February 11, 2026
Judge Seeks Clarity On OpenAI's 'Project Giraffe' For IP Suit
A New York federal magistrate judge on Wednesday ordered OpenAI to respond to questions about its "Project Giraffe," which plaintiffs suing over the company's use of copyrighted material in ChatGPT training describe as an effort to identify and block infringing outputs.
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February 06, 2026
OpenAI Can Keep Atty Comms Secret After All, Judge Says
A New York federal judge Friday set aside a magistrate judge's order requiring OpenAI's in-house attorneys to share their internal communications regarding deleted training datasets with authors suing over alleged copyright infringement, holding that the conclusions underlying that decision were "clearly erroneous or contrary to law."
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February 05, 2026
OpenAI Rips Bid For Exec's Personal Journal In IP Litigation
OpenAI urged a New York federal judge Wednesday to reject a demand by authors and newspapers for the OpenAI president's "personal journal" in their copyright litigation, arguing the request is unwarranted and a "severe invasion of privacy," even if excerpts were recently revealed in OpenAI's separate litigation with Elon Musk.
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January 20, 2026
Judge Mostly Rejects Discovery Requests In OpenAI MDL
A Manhattan federal magistrate judge largely rejected a series of requests from a group of authors and news publishers to expand discovery in a copyright infringement case against OpenAI, but directed the parties to confer on some topics to discuss production of certain materials.
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January 09, 2026
News Orgs. Want OpenAI Sanctioned In Copyright MDL
News organizations, including The New York Times, are sparring with OpenAI over allegations that the artificial intelligence company didn't properly maintain output logs of its ChatGPT chatbot in multidistrict copyright litigation in New York federal court.
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January 08, 2026
OpenAI Fights Authors' Demand For Info On $1B Disney Deal
OpenAI urged a New York federal judge Thursday to reject a request from authors for details of its newly struck $1 billion licensing agreement with Disney, saying the terms are irrelevant to claims that the company unlawfully used the authors' copyrighted works, because the deal doesn't involve textual works.
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January 06, 2026
Authors Demand OpenAI's $1B Disney Deal Details For IP Suit
Bestselling authors accusing OpenAI of unlawfully using their copyrighted works to train ChatGPT have asked a New York federal judge to order the company to produce details of its $1 billion licensing deal with Disney announced last month, saying the agreement could show the "feasibility" of a licensing market for AI training.