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United States · US-031

Round Hill Music LP et al. v Anthropic PBC

ALLEGEDU.S. District Court for the Northern District of California5:26-cv-08505Pending - complaint only
TrainingTraining Data AcquisitionTechnological Protection Measures / DMCA §1201Copyright Management Information / DMCA §1202Fair Use

Key holding or allegation

Complaint allegations only; the docket identifies direct infringement, circumvention of protection measures and removal or alteration of CMI claims.

Why it matters

High-significance action extending music-AI litigation beyond outputs to provenance, access controls and CMI in the training-data pipeline.

Facts

Round Hill and affiliated rightsholders allege unauthorised use of musical compositions in AI development and plead copyright infringement together with DMCA circumvention and CMI theories.

Issues before the court

Whether asserted compositions were acquired and reproduced for AI training without authorisation and whether alleged access-control or CMI conduct creates independent DMCA liability.

What the court did not decide

No infringement, circumvention, CMI, fair-use or damages issue has been adjudicated.

Procedural timeline

2026-08-17

U.S. District Court for the Northern District of California
Complaint filed: Round Hill filed direct copyright, DMCA circumvention and CMI claims against Anthropic concerning alleged use of musical compositions in AI development.

ALLEGED