Judge Rules ROSS' AI Training Infringed on Thomson Reuters' Westlaw Headnotes By Law.com's Legal Tech News February 12, 2025 Email this postTweet this postLike this postShare this post on LinkedIn The ruling, which reserved a 2023 order denying Thomson Reuters a summary judgement, found that ROSS’ use of Westlaw data did not meet the fair use doctrine. The case, however, will still go to trial.