Google uses search remedies trial to subpoena OpenAI, Perplexity and Microsoft over their generative AI efforts

For the remedies phase in the Google search antitrust trial, the giant has subpoenaed three of its biggest AI rivals — OpenAI, Perplexity AI, and Microsoft.

The subpoenas, sent in October, were made public on Monday through legal filings from all four companies. The disclosures came just hours after the Google ad-tech antitrust trial wrapped up closing arguments from lawyers representing Google and the U.S. Department of Justice.

When asked for comment, Google and Microsoft did not immediately respond to Digiday and spokespersons for OpenAI and Perplexity declined to comment. (All three companies are also facing a range of other lawsuits related to issues like AI copyright infringement.)

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