Opening statements began on April 28 in Elon Musk's lawsuit against OpenAI in federal court in Oakland, California, with Musk expected to take the stand as soon as Tuesday afternoon. Nine jurors were seated Monday. The core claim is that Sam Altman and OpenAI deceived Musk — an early co-founder and roughly $44 million donor between 2015 and 2018 — by promising a non-profit dedicated to safe, broadly beneficial AI and then converting the operating arm into a capped-profit subsidiary that has since attracted more than $200 billion in private capital.
The factual fight is narrower than the rhetoric. Musk's team has to convince a jury that the founding documents and email exchanges between him and Altman amounted to a binding agreement about OpenAI's structure — not an aspirational mission statement. OpenAI's defense is that the for-profit subsidiary was always contemplated, that Musk himself proposed merging OpenAI into Tesla in 2018, and that the company's restructuring was disclosed to and approved by its board. Whichever way the jury goes, the discovery already produced unflattering internal documents for both sides.
The stakes go beyond Musk's personal claim. A verdict against OpenAI could complicate its own pending for-profit conversion — the structural change Microsoft and other investors require before an IPO that markets are expecting in 2026 or 2027. A verdict for OpenAI hardens the precedent that AI mission language in founding charters is non-binding, which matters for every other lab that markets itself as 'safety-first' while raising venture capital at frontier-lab valuations.
Takeaway for learners: when an AI company tells you its mission is X, the contract that matters is its corporate structure — not its press release. The Musk trial is the first time a court will actually litigate what 'AI for the benefit of humanity' means as a legal commitment versus a marketing line. Whatever happens in Oakland will get cited in every governance debate for the next decade.