What happened
Complete Music Update reports that Universal Music and Sony Music filed an amended complaint against Suno containing allegations that the AI music company downloaded copyrighted recordings from YouTube through stream ripping. The judge allowed those claims to proceed but rejected the labels’ request to add more than 60,000 additional works to the same case. The filings and allegations have not been independently confirmed here.
Complete Music Update reports that Universal Music and Sony Music filed an updated version of their copyright lawsuit against Suno during the week of August 28, 2026. The amended complaint adds allegations that Suno obtained many, possibly all, of the copyrighted sound recordings used in its training data by downloading them from YouTube through a method known as stream ripping. The labels had been seeking permission to add those allegations since September of the previous year. The source describes the allegations as claims made by the music companies, not as established facts. Neither the amended complaint nor the judge’s rulings is independently verified in the material provided here.
CMU reports that Judge F. Dennis Saylor allowed the stream-ripping claims to be added after Suno raised technical and legal objections, including an assertion that it had not violated any laws by ripping audio from YouTube. According to the report, Saylor said determining whether the alleged conduct violated Section 1201 of the U.S. Digital Millennium Copyright Act would require additional analysis of how YouTube’s technological protections and Suno’s alleged circumvention tools worked. The judge nevertheless concluded that the allegations currently constituted a plausible claim for violation. That finding permits the claim to proceed; it does not establish that Suno actually circumvented protections or infringed copyright.
The judge did not allow Universal and Sony to expand the list of works named in this lawsuit by more than 60,000 tracks. CMU reports that the original complaint identified 560 allegedly infringed tracks, while the labels sought to increase that number to 61,026. The judge cited the likely complexity and delay of adding so many works at this stage of the proceedings, and the potential prejudice to Suno. The report says Saylor indicated that the labels could bring a separate lawsuit concerning the additional recordings. CMU notes that Sony previously responded to a similar restriction in its separate case against Suno rival Udio by filing another lawsuit.
Source details: completemusicupdate.com ↗
Why it matters
The dispute could test how evidence about the source of an AI training dataset affects a company’s fair-use defense. CMU reports that a separate Anthropic copyright case accepted fair use for training on books when the initial copies were legitimately sourced, while pirated copies led to a $1.5 billion settlement. The Suno case may therefore have implications for licensing expectations in generative music.
The stream-ripping allegation matters because it could give Universal and Sony a more specific argument about the legality of the copies used to train Suno’s AI music system. CMU connects the dispute to a separate U.S. copyright case brought by authors against Anthropic. In that case, according to the report, the judge accepted Anthropic’s position that using legitimately sourced copies of books for AI training could qualify as fair use, but treated the use of millions of pirated ebooks as a separate problem. The authors’ case ended in a reported $1.5 billion settlement. The source does not establish that the same legal outcome will apply to Suno.
If Universal and Sony can prove that Suno’s training recordings were acquired unlawfully, the labels may argue that the company cannot rely on a fair-use defense as easily as a company that began with authorized or otherwise legitimate copies. CMU reports that the labels view this as a way to strengthen their copyright case and increase pressure on Suno to settle and enter licensing agreements. Those are the labels’ litigation objectives as described by the outlet, not a prediction that a settlement or licensing deal will occur. The source provides no independent assessment of the strength of either side’s fair-use arguments.
The case also illustrates how disputes over generative AI can turn on data-acquisition practices rather than only on what a model produces. A ruling about stream ripping, technical circumvention and training copies could influence negotiations between music rights holders and AI companies, although the source does not say that any broader legal rule has been established. The decision to keep the larger track list out of the current case may instead produce multiple lawsuits, with separate costs and procedural timelines. The specific damages figures cited by CMU are potential statutory damages, not an award or finding against Suno.
What to watch next
The key unresolved issue is whether Suno unlawfully circumvented YouTube’s technical protections, as Universal and Sony allege. CMU reports that the judge found the stream-ripping theory plausible but said it requires further analysis. Watch for evidence on the alleged downloading process, future rulings on liability and fair use, and whether the labels file a separate lawsuit covering the additional recordings.
The central factual question is whether Suno used tools or methods that unlawfully bypassed YouTube’s technical protection measures. CMU reports that the judge considered this a plausible Section 1201 claim but expressly recognized that the issue needs more analysis. Future evidence could address what Suno downloaded, how the downloads occurred, what protections were in place, and whether the conduct met the legal definition of circumvention. The source does not provide technical evidence, a judicial finding on those points, or Suno’s full response.
The next major legal developments may involve the relationship between the stream-ripping theory and Suno’s fair-use defense. The source says Universal and Sony believe proof of unlawfully sourced recordings would strengthen their position, drawing on the Anthropic litigation. That analogy remains contested and incomplete: the report does not say that the Suno judge has ruled on fair use, whether the training process itself was transformative, or whether any alleged copying caused legally actionable harm. Those questions remain unresolved on the information provided.
Universal and Sony may also pursue the additional recordings in a separate complaint. CMU reports that Saylor left that option open and that Sony used a similar route in its Udio litigation. Watch for whether a second case is filed, whether the parties negotiate licensing terms, and whether any later order changes the potential scope of damages. The source says the labels sought a potential damages figure exceeding $9 billion by adding tracks, but that amount was not awarded, and the report does not independently confirm the labels’ underlying infringement count.