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ARTICLE · 28 FEBRUARY 2025

Court Grants Summary Judgment In AI Copyright Clash, Rejecting "Fair Use"

Jones Day
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There are numerous actions currently pending in federal courts that involve artificial intelligence ("AI") and copyright law.

United StatesIntellectual Property

In Short

The Situation: There are numerous actions currently pending in federal courts that involve artificial intelligence ("AI") and copyright law. Among other things, courts must determine if infringement occurs when an AI is trained on copyrighted materials without a license from the owner. And, if copyright infringement occurred, courts must then address whether training an AI with copyrighted materials constitutes fair use.

The Development: In February 2025, a Delaware federal judge granted summary judgment to Thomson Reuters, ruling that the use of Westlaw Headnotes to train a competing legal research AI tool is not fair use. This marks the first substantive ruling on direct copyright infringement and fair use in the context of AI.

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