Thomson Reuters wins AI copyright ruling over training data

Thomson Reuters has won a partial summary judgment in a copyright case against shuttered AI firm Ross Intelligence, a decision that disallows fair use as a defense for training models on proprietary data without permission.

“We are pleased that the court granted summary judgment in our favor and concluded that Westlaw’s editorial content created and maintained by our attorney editors, is protected by copyright and cannot be used without our consent,” a spokesperson for Thomson Reuters…