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US appeals court upholds Thomson Reuters' landmark win in AI training lawsuit | San Luis ...
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Fusion42 · 29 September 2026 · Fusion42 review
A US appeals court upheld Thomson Reuters' copyright infringement win against Ross Intelligence, rejecting Ross' fair use defence in using copyrighted legal material to train its AI-powered legal search engine. This is the first US appeals court ruling on AI training copyright disputes, marking a key legal precedent.
This Wire brief sits within Fusion42's coverage of AI & ML, and 7 sources have reported it between 29 Sep 2026 and 2 Oct 2026.
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US courts have tightened the legal boundaries for AI training on copyrighted content, forcing you to rethink how your AI models use source materials or face costly litigation.
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7 sources · first reported 29 Sep 2026 · latest 2 Oct 2026
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