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U.S. Appeals Court Rejects Ross Intelligence’s Westlaw Fair-Use Claim

By Drooid · Sep 30, 2026, 3:04 AM UTC · How we work

Summary

Story summary

The U.S. 3rd Circuit Court of Appeals rejected Ross Intelligence’s fair-use claim over Thomson Reuters’ Westlaw headnotes.
The ruling is the first U.S. appeals-court decision on copyright disputes involving AI training.
Thomson Reuters said it is pleased with the appellate decision.
The company added that respecting copyright fuels fiduciary-grade AI.
Ross Intelligence shut down its legal-research platform in 2021 after litigation costs and a 2023 district-court loss.

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Story summary

The U.S. 3rd Circuit Court of Appeals rejected Ross Intelligence’s fair-use claim over Thomson Reuters’ Westlaw headnotes.
The ruling is the first U.S. appeals-court decision on copyright disputes involving AI training.
Thomson Reuters said it is pleased with the appellate decision.
The company added that respecting copyright fuels fiduciary-grade AI.
Ross Intelligence shut down its legal-research platform in 2021 after litigation costs and a 2023 district-court loss.