Thomson Reuters v. ROSS Intelligence

DOCKET NO.OP. BELOWORAL ARG.OPINIONAUTHOR
25-21532025 opinion
2023 opinion partially vacated
Judge Stephanos Bibas
TBATBATBA

QUESTIONS PRESENTED:

  1. Is a short quote or paraphrase of a judicial holding copyrightable?
  2. Does the fair use doctrine protect ROSS’s internal use of Westlaw’s headnotes in memos that served as training data for an AI legal search engine that produced only non-infringing outputs?

ChatGPT Is Eating the World coverage

Briefing

DATEBRIEFS
09/22/2025Appellant ROSS Opening Brief
09/26/2025Brief of Heather Meeker as Amicus Curiae in Supp. of Defendant-Appellant
09/26/2025Brief of Amici Curiae Electronic Frontier Foundation, American Library Assn., Assn. of Research Libraries, Internet Archive, Public Knowledge, and Public.Resource.Org in Supp. of Defendant-Appellant and Reversal
9/29/2025Brief Amici Curiae of the Computer & Communs. Industry Assn., Chamber of Progress, and Netchoice in Supp. of Appellant ROSS Intelligence, Inc. and Reversal
9/29/2025Brief of Copyright Law Professors as Amici Curiae in Supp. of Appellant*
9/29/2025Amicus Brief on the merits on behalf of Randy Goebel and Larry Ullman
9/29/2025Brief of Amicus Curiae Next-Generation Legal Research and Technology Platforms in Supp. of Appellant
9/29/2025Brief for Amicus Curiae Authors Alliance, Inc. in Supp. of Defendant-Appellant, Ross Intelligence, Inc.
9/29/2025Brief for Amici Curiae Brian L. Frye, Jess Miers, and Mateusz Blaszczyk in Supp. of Appellant
9/29/2025Brief for Amicus Curiae Foundation for American Innovation in Supp. of Defendant-Appellant
9/29/2025Brief Amicus Curiae of Abraham Kang, Esq. and Kunal Patel in Supp. of Appellant

*Full disclosure: I participated in one of the amici briefs filed on behalf of Copyright Law Professors in Support of ROSS Intelligence.