{"ok":true,"trend":{"id":1150892,"platform":"news","region":"global","key":"training day: third circuit affirms westlaw headnotes decision in ai copyright fair use case","title":"Training Day: Third Circuit Affirms Westlaw Headnotes Decision in AI Copyright Fair Use Case","url":"https://news.google.com/rss/articles/CBMibEFVX3lxTE01YktDaE9iRnZ6WkNOa1hjZnY4YkJYYzlra3l2S1hpaFo5eTNTaXhBUVZHWkZ4UHF4WWRkelA3YjlVZEdUdldMR1Jsd0I1V21EM1BZNUZrNGdzazJSTDBueE9LenQ2Qm9hUjMxNQ?oc=5","first_seen":"2026-10-05T20:23:18.071087Z","last_seen":"2026-10-06T01:52:18.154411Z","last_rank":29,"peak_rank":26,"last_volume":null,"peak_volume":0,"seen_count":4,"score":0.8590625,"category_hint":"ai","section":"technology","category":"ai","summary":"The US Court of Appeals for the Third Circuit has affirmed the decision in the copyright dispute over Thomson Reuters' Westlaw headnotes, a key fair use test for AI training data. The ruling, which found the use of editorial headnotes to train a competing legal AI tool was not fair use, is being closely watched as a precedent for the wave of AI copyright litigation.","why":"The ruling is one of the first appellate decisions on whether AI training on copyrighted material qualifies as fair use, shaping ongoing AI lawsuits.","tone":"neutral","entities":["Third Circuit Court of Appeals","Thomson Reuters","Westlaw","Ross Intelligence"],"summarized_at":"2026-10-06T02:26:57.640227Z","meta":{"via":"scan","lang":"en","term":"ai","source":"Jackson Walker LLP","published":"Mon, 05 Oct 2026 19:51:29 GMT"},"nw":null,"promo":null,"kind":null,"importance":null,"hidden":false,"hide_reason":null,"judged_at":null,"title_en":"Third Circuit Upholds Ruling on Thomson Reuters AI Copyright Case","section_name":"Technology","category_name":"AI","timeline":[{"captured_at":"2026-10-05T20:23:18.071087Z","rank":29,"volume":null},{"captured_at":"2026-10-05T23:07:37.819975Z","rank":26,"volume":null},{"captured_at":"2026-10-06T00:29:37.462090Z","rank":28,"volume":null},{"captured_at":"2026-10-06T01:52:18.154411Z","rank":29,"volume":null}],"posts":[{"platform":"news","url":"https://news.google.com/rss/articles/CBMibEFVX3lxTE01YktDaE9iRnZ6WkNOa1hjZnY4YkJYYzlra3l2S1hpaFo5eTNTaXhBUVZHWkZ4UHF4WWRkelA3YjlVZEdUdldMR1Jsd0I1V21EM1BZNUZrNGdzazJSTDBueE9LenQ2Qm9hUjMxNQ?oc=5","author":"Jackson Walker LLP","title":"Training Day: Third Circuit Affirms Westlaw Headnotes Decision in AI Copyright Fair Use Case","snippet":null,"posted_at":"2026-10-05T16:47:05Z","likes":null}],"elsewhere":[],"window":"7d"}}