Concord Music Group Inc v Anthropic PBC
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Concord Music Group, Inc. v. Anthropic PBC is a music-publisher copyright action concerning alleged use of protected song lyrics to train Claude and alleged reproduction of lyrics in model outputs. The publishers’ allegations have not been resolved on the merits.[1]
Pleadings and dispositive motions
In March 2025, Judge Eumi K. Lee granted Anthropic’s motion to dismiss secondary-infringement and copyright-management-information claims with leave to amend. The direct-infringement claims were not the subject of that motion.[1] The docket reflects cross-motions for summary judgment and an October 21, 2026 hearing date.[2]