Copyright case · United States (federal)
Sony and Universal challenge alleged copyright infringement in Suno's v6 AI music models
UMG Recordings, Inc. et al. v. Suno, Inc.
Sony Music Entertainment, Universal Music Group and affiliated labels sued Suno, alleging that its v6 AI music models carried forward infringement from earlier models trained on unlicensed recordings. The complaint seeks damages and injunctive relief concerning 60,202 sound recordings. Suno disputes the allegations, and no court has ruled on the new claims.
- Filed
- Filed
Updated
Parties and court
- Plaintiffs
- UMG Recordings, Inc., Sony Music Entertainment, Universal Music Group
- Defendant
- Suno, Inc.
- Court
- U.S. District Court for the District of Massachusetts
- Jurisdiction
- United States (federal)
What’s at stake
- Damages and injunctive relief for alleged unauthorized copying of 60,202 sound recordings.
- Whether training on earlier models' outputs and preference signals carries forward alleged copyright infringement.
- Whether alleged knowledge distillation connects v6 to earlier models trained on unlicensed recordings.
Timeline
The labels filed a new copyright lawsuit against Suno over alleged 'model laundering' in v6, separate from their original litigation. Suno publicly disputed the new claims, saying v6 was trained using licensed partner content, community interactions and accumulated learnings.
Our reporting
Sony and Universal Sue Suno Again Over Alleged ‘Model Laundering’ in v6 →The Signal · September 28, 2026