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Home/Regulation Tracker/Bartz v. Anthropic (N.D. Cal.) — fair use ruling and $1.5 billion settlement

Bartz v. Anthropic (N.D. Cal.) — fair use ruling and $1.5 billion settlement

The most consequential US AI copyright case so far: training on purchased books was held to be fair use, but Anthropic paid $1.5 billion to settle claims over books downloaded from pirate libraries, setting the price of unlawfully acquired training data.

anthropicfair usecopyrighttraining data

Required actions

  • Training a language model on lawfully obtained books can be transformative fair use; acquiring training copies from pirate sites is not - Developers face statutory damages exposure for how training data was acquired, independent of the fair-use question

Sources

PreviousKadrey v. Meta Platforms (N.D. Cal.) — fair use ruling on Llama trainingNextFTC Children's Online Privacy Protection Rule (COPPA Rule), 2025 amendments

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