https://www.live-feeds.com/feed/us-appeals-court-upholds-thomson-reuters-landmark-win-in-ai-training-lawsuitContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/us-appeals-court-upholds-thomson-reuters-landmark-win-in-ai-training-lawsuithttps://www.live-feeds.com/feed/us-appeals-court-upholds-thomson-reuters-landmark-win-in-ai-training-lawsuit#u94352Fri, 02 Oct 2026 09:26:19 +0000A US appeals court upheld a ruling for information services company Thomson Reuters on Tuesday in its copyright dispute with former legal research rival Ross Intelligence. The Philadelphia-based Third Circuit Court of Appeals backed Thomson Reuters in the landmark litigation concerning Ross's alleged misuse of copyrighted material, specifically Westlaw headnotes, to train an artificial intelligence-powered legal search engine. The case marks the first US appellate finding addressing fair use standards for artificial intelligence training, delivering a significant victory to copyright hold