A federal jury in California rejected Elon Musk's lawsuit against OpenAI and CEO Sam Altman on Monday, May 18, 2026 [1].

The ruling marks a significant legal victory for OpenAI, as it removes a high-profile challenge to the company's transition from a non-profit entity to a for-profit business model.

Jurors found that Musk's claims were barred by the statute of limitations [2]. The court determined that Musk waited too long to file his legal action regarding the shift in the company's corporate structure [2]. Because the lawsuit was filed after the legal window for such claims had closed, the jury dismissed the case entirely [1].

The legal proceedings concluded rapidly once the case reached the jury. The deliberation time lasted less than two hours before the verdict was reached [3].

Musk had sought to hold the organization and its leadership accountable for deviating from the original mission of the company. However, the court's focus remained on the timing of the filing rather than the merits of the ideological dispute [2]. The decision was delivered in a U.S. federal court in California [2].

OpenAI and Sam Altman had defended their operational changes as necessary for the scale and development of artificial intelligence. With this verdict, the company avoids a potentially lengthy discovery process that would have forced the disclosure of internal documents, and communications [1].

A federal jury in California rejected Elon Musk's lawsuit against OpenAI and CEO Sam Altman

This ruling reinforces the importance of procedural timelines in corporate litigation, regardless of the profile of the plaintiff. By dismissing the case on a statute of limitations ground, the court avoided a deeper judicial examination of OpenAI's transition to a for-profit model, effectively insulating the company's current governance structure from this specific legal challenge.