Cases and their Developments

• Britannica v. Perplexity

  Encyclopedia Britannica, Inc. and Merriam-Webster, Inc. have sued Perplexity AI, Inc., alleging copyright infringement related to Perplexity’s alleged use of their online content to “ground” its AI-powered “answer engine.” 

• Thomson Reuters Enterprise Centre GMBH v. ROSS Intelligence Inc.

  Thomson Reuters sued Ross for using Westlaw headnotes to train an AI research tool. The court ruled for Thomson Reuters on direct infringement, rejecting fair use.

   

  Feb 11, 2025
  (partial summary judgment)

• Bartz v. Anthropic

  Anthropic won a preliminary ruling in a copyright infringement suit by authors concerning AI training data and copyright fair use issues. The case is headed to trial to determine statutory damages.

   

  • June 2025
    decision on SJ

   

  • Aug. 11, 2025
    Judge Alsup refused to certify early appellate review

   

  Trial in December 2025

   

  6/26/2025 Ruling Published

  9/5/2025 Settlement Published

• Kadrey v. Meta

  Meta prevailed in a landmark copyright case regarding unauthorized use of copyrighted literature for AI model training.

   

  • June 2025 decision

   

  6/26/2025 Ruling Published

  9/5/2025 Settlement Published 

• Andersen v. Stability AI, Midjourney, DeviantArt

  Visual artists sued these AI firms for copying their works to train AI image generators.

   

  • Aug 2024 (ongoing)
    
    
  • Aug 12 2024

  Order granting in part and denying in part motions to dismiss 1st amended complaint

• The New York Times v. OpenAI and Microsoft

  The NYT sued OpenAI and Microsoft for unauthorized use of copyrighted articles to train ChatGPT, accusing them of large-scale infringement.

   

  • Dec 2023 (consolidated, ongoing)

• Disney and Universal v. Midjourney

  Disney and Universal accused Midjourney’s AI generator of infringing by reproducing famous characters and artwork.

   

  • June 11, 2025 (newly filed)

• Getty Images v. AI companies

  Getty Images sued several leading AI companies for using images without license for training models.

   

  • Ongoing 2025

• Strike 3 Holdings, LLC et al v. Meta Platforms, Inc.

  Plaintiffs Strike 3 Holdings, LLC and Counterlife Media, LLC, own copyrights in thousands of adult films distributed via their own subscription websites. Plaintiffs allege that Meta intentionally and systematically downloaded and distributed at least 2,000 of their copyrighted films using the BitTorrent protocol.

   

  • July 23, 2025, Filed

• Pierce et al v. Photobucket, Inc.

  Plaintiffs who uploaded photographs to defendant's photo storage site filed a class action suit alleging defendant is licensing their photographs to third parties for training AI and for use of biometric data without their consent.

   

  • December 11, 2024, Filed

• AI music copyright cases (Concord Music Group v. Anthropic, others)

  The music industry—via major publishers—has launched lawsuits over unauthorized use of musical works for AI training.

   

  • Ongoing 2025

• OpenAI consolidated lawsuits

  OpenAI is facing numerous consolidated copyright suits from authors, publishers, news organizations, and others, with infringement of massive datasets at issue.

   

  • Ongoing 2025