A federal judge said on Tuesday that parts of Elon Musk's lawsuit against OpenAI to halt its conversion to a for-profit entity might go to trial, adding that the Tesla CEO will have to appear in court and testify.

Elon Musk’s lawyers faced off with OpenAI in court Tuesday as a federal judge weighed the billionaire’s request for a court order that would block the ChatGPT maker from converting itself to a for-profit company.

Elon Musk’s lawsuit against OpenAI is unlikely to go how he hopes based on comments made by U.S. District Judge Yvonne Gonzalez Rogers, who is

Elon Musk’s move to immediately block Sam Altman from restructuring OpenAI faltered in federal court, with a judge saying she was reluctant to issue such an order in a case pitting “billionaires versus billionaires.

Musk’s request to block OpenAI’s conversion is the latest move in a grudge match between the world's richest person and OpenAI CEO Sam Altman.

A preliminary injunction stopping OpenAI’s conversion to a for-profit company is unlikely in a case of “billionaires versus billionaires,” said the judge.

A federal judge signaled Tuesday that some parts of Elon Musk’s lawsuit attempting to block Sam Altman-led OpenAI from becoming a for-profit entity could go to trial – and said Musk would have to personally take the stand and testify.

Lawyers argue billionaire's 105-page complaint 'lurches from theory to theory' Updated Elon Musk's legal grudge against Sam Altman, OpenAI, and Microsoft could soon be over – again – if a California judge responds favorably to the latest filings in the case.