Thomson Reuters Wins AI Copyright Case
U.S. appeals court upholds Thomson Reuters' copyright victory over Ross Intelligence in AI training dispute.
In brief
U.S. appeals court upholds Thomson Reuters' copyright victory over Ross Intelligence in AI training dispute. Thomson Reuters wins AI copyright case against Ross Intelligence after appeals court rejects fair use claim for AI training data. Originally reported by Pymnts.
U.S. appeals court decision
A U.S. appeals court upheld Thomson Reuters' copyright ruling against Ross Intelligence in AI training disputes.
Thomson Reuters lawsuit
Thomson Reuters filed the suit in 2020 alleging Ross Intelligence copied Westlaw platform material to train its competing AI legal search engine.
Court rejects fair use claim

The appeals court rejected Ross Intelligence’s fair use argument for its AI search engine training data.
Ross Intelligence shutdown
Ross Intelligence shut down its platform in January 2021 after losing the lawsuit to Thomson Reuters.
Antitrust claims dismissed
A federal judge dismissed Ross Intelligence’s antitrust claims against Thomson Reuters in September 2024.
Thomson Reuters stance
Thomson Reuters states that respecting copyright is essential for fostering innovation while protecting intellectual property for AI solutions.
“firmly believes that respecting copyright is essential for fostering innovation while protecting the intellectual property that fuels fiduciary-grade AI solutions”
The essence
Thomson Reuters wins AI copyright case against Ross Intelligence after appeals court rejects fair use claim for AI training data.





