Westlaw AI Training Ruling: ROSS Loses Fair-Use Defense

February 11, 2025

A federal judge ruled that ROSS Intelligence infringed Thomson Reuters’s copyright by training on Westlaw headnotes, rejecting its fair-use defense.

Sources

U.S. District Court for the District of Delaware

Report · Feb 11, 2025

Thomson Reuters Enterprise Centre GmbH v. ROSS Intelligence Inc., Memorandum Opinion

Additional sources

Goodwin

Analysis · Feb 12, 2025

Court Rejects Fair Use Defense in AI Copyright Case