Legal/press release/2026-09-22

OpenAI and Microsoft sued for copyright infringement over AI model training data, including LibGen

OpenAI and Microsoft are facing copyright infringement lawsuits, with unsealed court filings revealing OpenAI trained its models on copyrighted books from LibGen. The Department of Justice has filed a brief in the case, previewing future implications for AI licensing. Separately, This Is Reno and over 550 other publications have joined a related lawsuit against the companies.

4 articles from 4 outlets covered this story. The underlying claim is sourced from a press release.

What do all outlets agree on?

4 outlets covered “OpenAI and Microsoft sued for copyright infringement over AI model training data,…”. All of them report the following:

  • OpenAI and Microsoft are defendants in copyright infringement lawsuits
  • Unsealed court filings reveal OpenAI used LibGen for training data
  • The Department of Justice filed a brief in the case
  • This Is Reno joined a copyright lawsuit against OpenAI and Microsoft
  • Over 550 publications are involved in the lawsuit This Is Reno joined

Which outlets covered this?

All 4 articles found on this story, grouped by the stance of the piece. Every link goes to the original publisher.

What related stories are there?

Which companies does this involve?

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