Third Circuit rejects Ross's fair use defense against Thomson Reuters
The court said copying Westlaw headnotes because it was "easy" rather than necessary doesn't earn fair use protection.
Some generative AI boosters are already calling this a win, pointing to the court distinguishing Ross's tool from generative AI. Don't buy it — distinguishing the technology isn't the same as deciding the case, and the court's reasoning on transformative use and market harm applies just as hard to the generative AI suits now working through the courts. If you're an author with work in a training set, the fourth-factor language here — that harming your licensing market counts as real harm — is the sentence to bookmark.
Why it matters to you: A federal appeals court just said convenience isn't a legal excuse for unlicensed copying, and that logic is built to travel into the generative AI cases still pending.
This story ran in the Coral Wire edition of Sat, Oct 10 2026, when the Coral Index stood at 50/100 (Mixed signals).
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- Fair Use Analysis in ‘Thomson Reuters’ Should Have Generative AI Defendants Worriedcopyrightalliance.org
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