On Tuesday, a federal judge ruled in favor of Reuters’ parent company, Thomson Reuters, in their lawsuit against legal AI developer Ross Intelligence.

U.S. Circuit Judge Stephanos Bibas said he was revising his 2023 summary judgment opinion on the case, court documents show.

The ruling stems from a May 2020 lawsuit in which Thomson Reuters accused San Franciso-based Ross Intelligence of unlawfully copying content from its Westlaw platform to train its AI using data acquired from Michigan-based LegalEase Solutions.

Since the launch of ChatGPT in 2022, media outlets, artists, and authors have expressed concerns that their content was being used to train AI