Jamendo, a music licensing platform under Winamp Group, has filed a US lawsuit against Nvidia alleging that Nvidia trained its AI audio models Fugatto and Audio Flamingo on the MTG-Jamendo Dataset without authorization.

Jamendo emphasizes the MTG-Jamendo Dataset was restricted to non-commercial research and academic use, and it says Nvidia did not compensate or engage with Jamendo about the dataset.

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Belgian proceedings mirror the US case, advancing under intellectual property and contractual theories.

The case centers on a protectable compilation copyright in the MTG-Jamendo Dataset, with Jamendo’s structure and tagging argued as protectable beyond the raw data; US Registration TX-9-606-566 dates June 17, 2026.

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The US complaint seeks remedies under the Copyright Act, including statutory damages and injunctive relief, with potential damages up to $30,000 per infringed work and up to $150,000 for willful infringement.

Winamp Group CEO Alexandre Saboundjian stresses protecting creators’ rights and ensuring compensation as AI transforms the music industry.

Belgian court proceedings set a timetable with written submissions through early 2027 and oral pleadings scheduled for June 24, 2027.

Jamendo argues Nvidia’s claim of using an open-source dataset for commercial training conflicts with the dataset’s non-commercial terms, and asserts that training commercial AI models falls outside the granted use.

A timeline notes a forthcoming financial update on July 31, 2026, covering H1 2026 revenue.