Anthropic trained Claude on pirated Stanford books
The gist
A federal judge ruled Anthropic illegally scraped and pirated books by over 10 Stanford professors for Claude.
Two professors opted out of the $1.5 billion settlement to sue separately.
How it unfolded
- 2024Three authors filed the class-action Bartz v. Anthropic, accusing the company of downloading copyrighted books from pirate websites to train its AI models.
- Jul 2025A ruling was issued in Bartz v. Anthropic.
- Sep 2025Anthropic agreed to a $1.5 billion settlement with the suing book authors.