Otter.ai, the maker of AI-powered transcription and note-taking tools, is facing a class-action lawsuit in California over alleged privacy violations.

The suit, filed Friday in federal court by San Jacinto resident Justin Brewer, claims that Otter.ai is recording private conversations without obtaining consent from all the calls’ participants and then uses those recordings to train its AI. According to the complaint, Brewer doesn’t have an Otter account but joined a Zoom meeting in February where the company’s Otter Notetaker software was running. He says he had no idea the service would capture and store his data or that the call would be used to train Otter’s speech recognition and machine learning models.

The lawsuit specifically targets Otter Notetaker, the company’s tool that reco

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