Thomson Reuters Gets Antitrust Claims Axed in AI Copyright Suit

Ross Intelligence Inc. failed to convince a federal judge Thomson Reuters Enterprise Centre GMBH is forcing people to buy its Westlaw search tools in exchange for access to its caselaw database.

Ross hasn’t sufficiently supported its allegations Thomson Reuters violated and still violates antitrust laws, Judge Stephanos Bibas said in a memorandum opinion filed Friday in the US District Court for the District of Delaware. The sweeping opinion sided with Thomson Reuters’ requests for summary judgment, which sought to axe Ross’s antitrust counterclaims.

Central to the case filed in 2020 is whether Ross infringed Reuters’ copyrighted “headnotes”—which provide short summaries ...