November 20, 2025
Thomson Reuters wants the Third Circuit to back a district court's decision that an artificial intelligence-powered legal search engine's use of Westlaw headnotes did not constitute fair use, saying the AI company "pilfered" copyrightable content to make a competing business.
September 30, 2025
A tech startup appealing an adverse fair use ruling to the Third Circuit has received nearly a dozen briefs in support of its position that it did not infringe copyrighted material from Thomson Reuters' Westlaw platform to create a competing legal research tool driven by artificial intelligence.
September 23, 2025
An artificial intelligence-powered legal search engine has asked the Third Circuit to reverse a district court's decision that its use of Westlaw headnotes did not constitute fair use, arguing its utilization of them "radically promoted scientific progress" and increased access to justice.