Elon Musk and OpenAI Conclude Closing Arguments in High-Stakes Trial
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Lawyers for Elon Musk and OpenAI delivered closing arguments on May 15, 2026, in a trial that will determine the future of the AI company. Musk alleges OpenAI abandoned its nonprofit mission to benefit humanity, seeking billions in damages and the removal of CEO Sam Altman. The case now goes to an advisory jury, with a judge's ruling possible next week.
Facts First
- Elon Musk is suing OpenAI, CEO Sam Altman, and Microsoft for breach of charitable trust and unjust enrichment.
- Musk seeks up to $150 billion in damages and Altman's removal from OpenAI's board, pledging any award to the nonprofit.
- The trial's outcome hinges on a key legal threshold; the judge indicated she will likely rule for OpenAI if the jury finds Musk filed too late.
- Testimony featured starkly conflicting accounts from Musk, Altman, and former OpenAI leaders about the company's mission and leadership.
- The jury's verdict is advisory, with the final decision resting with U.S. District Judge Yvonne Gonzalez Rogers.
What Happened
Closing arguments concluded on May 15, 2026, in the federal trial between Elon Musk and OpenAI in Oakland, California. Musk filed the lawsuit in 2024, alleging OpenAI and its leaders breached their charitable mission by pursuing profit. His attorney, Steven Molo, argued that executives sought personal gain through stock and self-dealing. OpenAI contends Musk waited too long to file, a point where U.S. District Judge Yvonne Gonzalez Rogers has stated she would likely direct a verdict for the defendants if the jury agrees. During the three-week trial, jurors heard from Musk, Altman, Microsoft CEO Satya Nadella, and former OpenAI board members and employees.
Why this Matters to You
The outcome of this trial could significantly influence the governance and direction of OpenAI. A ruling against OpenAI might force a major restructuring of its for-profit subsidiary, which could affect the development timeline and commercial availability of future AI tools like ChatGPT. For you, this means the pace of AI innovation you encounter in products and services may be shaped by this legal decision. Furthermore, the case tests the legal framework for mission-driven tech nonprofits, which could impact how other companies balance charitable goals with the need for capital.
What's Next
An advisory jury must now decide if OpenAI, its executives, and Microsoft aided and abetted a breach of charitable trust. A decision from the jury and Judge Gonzalez Rogers is possible next week. If the ruling is against OpenAI and/or Microsoft, a separate proceeding will be held to determine damages. Regardless of the verdict, the public airing of internal conflicts and strategic emails during the trial may continue to affect public and investor confidence in OpenAI as it, along with rivals like Musk's xAI and Anthropic, moves toward planned initial public offerings.