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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
- Cowan DeBaets
- Faegre Drinker
- Frost Brown
- Joseph Saveri Law Firm
- Keker Van Nest & Peters
- Klaris Law
- Kwun Bhansali
- Latham & Watkins
- Lewis & Llewellyn
- Lieff Cabraser
- Loevy & Loevy
- 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
- Womble Bond
Companies
- Everyday Health Group
- Microsoft Corp.
- OpenAI OpCo LLC
- The New York Times Co.
- Ziff Davis Holdings Inc.
Sectors & Industries:
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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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July 16, 2025
OpenAI, Microsoft Challenge Authors' Proposed Class Action
OpenAI and its financial backer Microsoft each have lodged challenges in New York federal court to a consolidated proposed class action from a group of best-selling authors who claim their works were used to train ChatGPT, saying the consolidated litigation went beyond the court's permissible scope.
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June 26, 2025
OpenAI Loses Data Hold Round In News Orgs' Copyright Fight
A Manhattan federal judge on Thursday refused to overturn a ruling that directed OpenAI to preserve ChatGPT logs in ongoing copyright infringement litigation brought by news organizations against the company and Microsoft, after hearing an hourslong "tutorial" about the ins and outs of generative artifical intelligence.
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June 20, 2025
Judge Denies Raw Story, AlterNet's Bid To Revive OpenAI Suit
A Manhattan federal judge has denied a request from AlterNet and Raw Story to reconsider the dismissal of their lawsuit accusing OpenAI of removing author and copyright information from material to train ChatGPT, saying the plaintiffs can appeal to the Second Circuit.