Meta Platforms is facing allegations in California federal court over using pirated books to train its AI systems.

These claims were detailed in court documents released on Wednesday.

Prominent authors, including Ta-Nehisi Coates and Sarah Silverman, claim that Meta, with CEO Mark Zuckerberg’s approval, knowingly used the AI dataset LibGen, which contains millions of pirated works.

The lawsuit, originally filed in 2023, accuses Meta of copyright infringement for using the authors’ works to train its Llama language model. Meta argues its actions fall under fair use.

The authors seek court approval to file an updated complaint with new evidence, revive dismissed claims related to copyright management, and add an allegation of computer fraud.

Meta has yet to respond to the allegations.

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