The Silicon Valley trial that was supposed to litigate whether Sam Altman and Greg Brockman betrayed OpenAI's founding mission ended on Monday without the jury answering that question at all.
After a three-week trial that drew 11 days of testimony, a nine-member advisory jury deliberated for less than two hours on the first morning of deliberations and returned a unanimous finding: Musk's claims were filed too late. U.S. District Judge Yvonne Gonzalez Rogers, who held the final say because the jury's role was advisory, adopted the finding as the court's own and dismissed the case. "There's a substantial amount of evidence to support the jury's finding, which is why I was prepared to dismiss on the spot," she said.
The stakes were enormous and the resolution was procedural. In a January court filing, Musk's damages expert had pegged the claim at between $79 billion and $134 billion — built from an estimate that OpenAI had earned $65.5 billion to $109.4 billion in alleged wrongful gains and Microsoft $13.3 billion to $25.1 billion. Musk asked the court to order those sums disgorged into OpenAI's nonprofit foundation, to remove Altman and Brockman from their posts, and to unwind the for-profit restructuring. None of it was weighed. Because the jury found the case untimely, it never reached the substance of Musk's central allegation that the two men "stole a charity."
The case that ran out of time
Musk co-founded OpenAI in 2015 as a nonprofit and, by the trial's accounting, contributed an estimated $38 million — from late 2015 through May 2017 — before leaving the board in 2018 after a dispute with Altman and Brockman over who would control the organization. He opened a legal fight in early 2024 with a state-court action, then filed the federal case that went to trial in August 2024, alleging breach of charitable trust and unjust enrichment, and naming Microsoft as a co-defendant for aiding and abetting that alleged breach.
OpenAI's timeliness defense rested on Musk's own contemporaneous words. Lawyers pointed to messages from late 2022 and early 2023 in which he expressed alarm at OpenAI's trajectory and its roughly $20 billion valuation — evidence, they argued, that he knew of the for-profit shift well before the limitations window required him to sue. Musk's account on the stand was that he had relied on assurances until Microsoft's $10 billion investment landed in 2023; "I was a fool," he told the court earlier this month. The jury was not persuaded. Judge Gonzalez Rogers said afterward there was substantial evidence that Musk knew or could have known enough about OpenAI to sue before 2024.
The legal mechanics matter. The jury found Musk's breach-of-charitable-trust and unjust-enrichment claims time-barred, with a three-year limitations period central to the charitable-trust claim; the claim that Microsoft aided and abetted the alleged breach fell on the same grounds, because the underlying breach claim failed. The court did not rule on whether the conduct Musk alleged was actually wrongful. Three weeks of testimony and hundreds of pages of evidence produced no finding on the merits at all.
OpenAI's lead attorney, William Savitt, pushed back directly on the idea that this made the loss a technicality. "It's not a technical decision, it's a substantive one," he told reporters. "It says: you brought your claims too late, and you did it because you were sitting on them to use them as a weapon of a competitor who can't compete in the marketplace."
What the trial exposed anyway
Even without a merits ruling, the proceeding pried open OpenAI's internal history. Courtroom reporting described evidence that included Brockman's personal diaries and messages between Musk and Meta chief executive Mark Zuckerberg about a possible joint bid for OpenAI. Testimony and documents traced internal discussions as early as 2017 about moving beyond a pure nonprofit structure — the period when OpenAI's founders concluded they could not raise enough money or recruit enough researchers to compete with Google as a charity alone — and surfaced the range of financing the lab once weighed, including cryptocurrency, before the path that led to Microsoft. OpenAI set up its for-profit subsidiary in 2019.
The trial also drew in Shivon Zilis, a longtime Musk aide who served as a channel between him and OpenAI after his 2018 departure. OpenAI's lawyers used the documentary record to argue the inverse of Musk's narrative: that he had himself pushed for a for-profit entity, at points conditioned on his retaining control or folding OpenAI into Tesla, and left when he could not. His suit, they argued, came a year and a half after he launched the competing for-profit lab xAI and was an attempt to wound a rival.
Microsoft's role was a thread of its own. It was named as a co-defendant over its multibillion-dollar partnership with OpenAI; earlier reporting commonly put Microsoft's committed investment at around $13 billion, while testimony at trial described the company's total spend on the partnership as exceeding $100 billion.
The reactions
The split-screen after the verdict was stark. Lawyers for OpenAI and Microsoft celebrated with hugs and back slaps as they left the courtroom. A Microsoft spokesperson said the company welcomed "the jury's decision to dismiss these claims as untimely."
Musk's lead trial attorney, Steven Molo, told the court the team was preserving its right to appeal but had not decided how to proceed; another Musk attorney, Marc Toberoff, gave reporters a one-word answer — "Appeal" — and called the case "at its core a travesty." Musk himself attacked the judge on X, calling Gonzalez Rogers a "terrible activist" judge who "just handed out a free license to loot charities if you can keep the looting quiet for a few years." Whether an appeal to the Ninth Circuit succeeds is uncertain; a statute-of-limitations dismissal is difficult to overturn, and Musk has previously said he files some suits on principle regardless of the odds.
The contest that actually decides things
The verdict's larger significance is what it clears away. Had Musk prevailed, OpenAI could have been ordered to claw equity back into its nonprofit parent and remove its two top leaders — an outcome that would have paralyzed a company dependent on tens of billions of dollars from outside investors. That threat is gone at a decisive moment.
OpenAI is now valued at roughly $852 billion and is moving toward a possible IPO that some reporting suggests could value the business near $1 trillion. Reuters has reported that xAI is now part of SpaceX, which is separately preparing a public listing that could be larger still. Both founders are steering their companies toward record offerings, and the lawsuit had functioned as a cloud over OpenAI's corporate structure precisely as it needs to present investors a clean story. The jury did not resolve whether OpenAI honored its founding mission. It resolved something the market cares about more immediately: the legal uncertainty is lifted, and the rivalry moves from a federal courtroom in Oakland to the order books of Wall Street.
For all the spectacle — the diaries, the Zuckerberg texts, the crypto detour, the three weeks of testimony — the case turned on a single, unglamorous question. The jury accepted OpenAI's argument that Musk knew enough, early enough, for the clock to have started running. A litigation that threatened to rewrite the power structure of the AI industry was decided not on what OpenAI did, but on when its most famous critic chose to complain about it.
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