fair use

plural fair uses

1. countableuncountablecopyrightA doctrine in intellectual property law that permits one party to make use of another party's protected intellectual property (such as a copyright or trademark) under narrowly defined circumstances.
   1. countableuncountablecopyrightUse of another party's intellectual property that is protected by this doctrine.

      Many commentators have argued that training AI with copyrighted material constitutes “fair use”

      2023 August 19, Alex Reisner, “Revealed: The Authors Whose Pirated Books Are Powering Generative AI”, in The Atlantic

      1 more example

      Alsup ruled that Anthropic's use of copyrighted books to train its AI models was "exceedingly transformative" and qualified as fair use, a legal doctrine that allows certain uses of copyrighted works without the copyright owner's permission.

      2025 June 25, Lee Chong Ming, “Anthropic cut up millions of used books to train Claude — and downloaded over 7 million pirated ones too, a judge said”, in Business Insider