Jamendo Refiles AI Training Lawsuit Against Nvidia, Seeks €17.8 Million
Music licensing platform Jamendo filed a new copyright complaint against Nvidia in the U.S. District Court for the Northern District of California on 12 October 2026 (case 5:26-cv-11754), according to The AI Musicpreneur. The filing came days after Jamendo voluntarily dismissed a near-identical suit it filed in June.
Jamendo alleges that Nvidia trained its Fugatto and Audio Flamingo audio models on the MTG-Jamendo dataset. That dataset is published under a Creative Commons BY-NC 4.0 licence for non-commercial research only. The complaint contains six counts, covering copyright, breach of contract, unjust enrichment and unfair competition, and seeks no less than €17.8 million. Nvidia has described its training data as open source, the report notes. These are allegations, and the court has not ruled on them.
A parallel case is proceeding in Ghent, Belgium, where a court rejected Nvidia Belgium's jurisdictional objection on 11 June 2026. For AI developers, the case shows that a "non-commercial" licence tag is a contractual limit, not just a label.
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