Key holding or allegation
Allegations only. Jamendo voluntarily dismissed the original action without prejudice on 9 Oct 2026; public docket metadata indicates a new action opened 12 Oct, but the refiled complaint was not publicly verified by the cutoff.
Why it matters
Direct dispute over research-dataset licence limits and commercial generative-audio training.
Facts
Jamendo alleges NVIDIA used the MTG-Jamendo dataset, released for non-commercial research, to train commercial generative-audio systems without the required licence.
Issues before the court
Whether use of the dataset and individual tracks for commercial model training exceeded licence terms and infringed copyright.
What the court did not decide
No court has decided ownership, licence scope, infringement, fair use, damages or the status/content of the apparent refiled complaint.
Procedural timeline
U.S. District Court for the Northern District of California
Complaint filed: Jamendo alleged unlicensed commercial use of the research-only MTG-Jamendo dataset to train Fugatto and Audio Flamingo.
U.S. District Court for the Northern District of California
Voluntary dismissal: Jamendo voluntarily dismissed the action without prejudice before a merits decision.
U.S. District Court for the Northern District of California
Apparent refiling docket opened: Public docket metadata indicates a new Jamendo v NVIDIA action, but the operative complaint was not publicly verified by the cutoff.