Musk case against OpenAI heads to trial as Sam Altman faces fresh scrutiny in Oakland

A federal trial beginning April 27 is set to put Sam Altman and OpenAI’s governance under renewed scrutiny, with Elon Musk pressing claims that the company abandoned its founding mission as it moved toward a for-profit structure.

Jury selection starts as Musk narrows his case

Jury selection is scheduled to begin on April 27 in federal court in Oakland, California, after Musk dropped fraud claims against OpenAI, Altman and co-founder Greg Brockman and trimmed his lawsuit to two remaining claims. The case now centers on unjust enrichment and breach of charitable trust, according to court reporting on the eve of trial.

Musk is seeking damages and wants the court to unwind OpenAI’s transformation into a more conventional commercial company. He has also asked for relief that would remove Altman and Brockman from their roles and restore the organization to nonprofit status.

OpenAI’s restructuring is now part of the dispute

The trial arrives after OpenAI completed a major restructuring last fall that shifted it into a public benefit corporation, while the nonprofit behind the company retained a stake and additional warrants tied to future valuation milestones. That structure is now being scrutinized as the company prepares for an eventual public-market path and continues to spend heavily on compute and model development.

For Altman, the legal fight is not just a personal dispute with Musk. It is also a live test of whether OpenAI can keep its founding mission language intact while operating like a fast-scaling AI business with outside investors, major infrastructure commitments and pressure to remain ahead of rivals.

Why this fight matters for OpenAI right now

The case could complicate OpenAI’s long-term financing plans by putting leadership decisions and corporate governance back in the headlines at a moment when the company is still trying to project stability. Testimony is expected to pull in some of Silicon Valley’s most prominent figures, including Musk and Altman, and could reopen questions about how OpenAI moved from a nonprofit research lab to one of the industry’s most valuable companies.

Those questions have followed Altman for years, but the trial gives them a concrete forum. The legal record now includes internal documents, deposition material and board-level history that could shape how investors, employees and regulators view OpenAI’s next stage of growth.

What the courtroom record may expose

Reporting on the case says the evidence includes internal writings and early OpenAI-era correspondence that could offer a rare look at the tensions between Musk, Altman and the company’s other founders. The dispute is likely to turn on whether OpenAI’s later commercialization was an abandonment of its original mission or an evolution that its leaders had a right to pursue.

However the court rules, the opening of the trial marks a fresh moment of exposure for Altman. A company that has spent the past year trying to define the rules of commercial AI is now defending its own origin story in public, one witness at a time.