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In case 25-2153, the Third Circuit affirmed the copyright and fair-use ruling concerning 2,243 Westlaw headnotes. The opinion records a filing date of 29 September 2026; the court’s public list records the case on 30 September. The dispute concerns protected summaries used for a competing legal-search system. The ROSS system at issue was not generative AI.
View full image ↗First page of the Third Circuit opinion in the ROSS appeal, No. 25-2153, filed 29 September 2026.
United States Court of Appeals for the Third Circuit; official original document
Source · Thomson Reuters Enterprise Centre GMBH; West Publishing Corp v. Ross Intelligence Inc., No. 25-2153 ↗Reading scope: introduction, system description, the first and fourth fair-use factors, and conclusion of the 32-page opinion; not the complete litigation record. The filing and public-list dates are distinguished without inferring an exact unsealing time. This entry records the appellate ruling without claiming it is the first of its kind. Catalogued 1 October 2026; AI-assisted translation, independent human review pending.
Case chronology
Third Circuit affirms the ROSS copyright and fair-use ruling
In case 25-2153, the Third Circuit affirmed the copyright and fair-use ruling concerning 2,243 Westlaw headnotes. The opinion records a filing date of 29 September 2026; the court’s public list records the case on 30 September. The dispute concerns protected summaries used for a competing legal-search system. The ROSS system at issue was not generative AI.
Research question
Editorial interpretation: this case can be compared with music and visual-material licensing disputes to examine how training uses and potential licensing markets enter judicial reasoning. It is structural context in law and knowledge production, not an AI-artwork event or proof that artists have prevailed in every training dispute.
Related documents
DOC-U261001-02Thomson Reuters Enterprise Centre GMBH; West Publishing Corp v. Ross Intelligence Inc., No. 25-2153Sources
United States Court of Appeals for the Third Circuit · EN · 2026-09-29
United States Court of Appeals for the Third Circuit · EN · 2026-09-30
Related cases
Cite this record
ANTI-AI ARCHIVE. “Third Circuit affirms the ROSS copyright and fair-use ruling.” case-u261001-02. Include this page’s URL and your access date when citing.