Key holding or allegation
The appellate court overturned the dismissal and required further evidentiary proceedings, recognising that use of generative AI does not by itself eliminate possible infringement of related or personality rights.
Why it matters
Direct Brazilian AI-voice authority emphasising factual similarity analysis and expert evidence.
Facts
Professional voice actor alleged that an AI-generated advertising voice effectively copied his voice.
Issues before the court
Whether the first-instance dismissal was premature and whether expert evidence was required to assess similarity and potential infringement.
What the court did not decide
The appellate court did not finally determine that the generated voice copied the claimant's protected voice/recording or that the defendant was ultimately liable.
Procedural timeline
Tribunal de Justica de Sao Paulo
Appellate judgment: Appellate court annulled the dismissal of an AI-generated-voice claim and remanded for expert evidence, recognising that AI generation does not itself eliminate possible related-rights or personality-rights infringement.