Elon Musk loses lawsuit against OpenAI: The jury finds that the statute of limitations has expired, clearing the way for OpenAI to go public
The Elon Musk v. OpenAI case was pronounced in the California federal court. The jury found that the statute of limitations had expired, and Musk's lawsuit claiming $78.8 billion to $1350 billion was dismissed. The ruling clears a major legal hurdle for OpenAI’s IPO, but Musk said he would appeal to the Ninth Circuit Court of Appeals.
Core conclusion
On May 18, 2026, a California federal court jury ruled against Elon Musk in his lawsuit against OpenAI, Sam Altman, Greg Brockman, and Microsoft. The core reason is not that "OpenAI did not deceive Musk", but that the statute of limitations has expired - the jury determined that the damage claimed by Musk occurred before 2021, exceeding the legal deadline for prosecution.
Key Points
- Judgment Time: 2026-05-18, Federal Court in Oakland, California
- Core Ruling: The jury found that Musk’s claims had expired (Statute of Limitations).
- Compensation amount: Original claim $78.8–$1350 billion → 0
- Follow-up: Musk says he will appeal to the Ninth Circuit Court of Appeals
- Biggest Impact: Clearing major legal hurdles before OpenAI IPO
Event background
The lawsuit began in March 2024. Musk is suing OpenAI, CEO Sam Altman, co-founder Greg Brockman, and largest investor Microsoft, accusing them of "stealing from a charity" -- OpenAI's transformation from a nonprofit to a for-profit entity.
Musk invested about $4400 million when he co-founded OpenAI in 2015 and maintained a non-profit mission. But when OpenAI launched as a for-profit subsidiary in 2019 and received a large investment from Microsoft, Musk viewed it as a betrayal of its founding promise.
The trial lasted several weeks and called many of Silicon Valley's top figures to testify. But the court ultimately focused on a narrower legal question: Was Musk's lawsuit filed within the statute of limitations?
| Dimensions | Details |
|---|---|
| Litigation claims | Breach of contract, breach of fiduciary duty, unjust enrichment |
| Defendants | Sam Altman, Greg Brockman, OpenAI, Microsoft |
| Claim amount | $78.8–$1350 billion (calculated by Musk’s experts) |
| Basis for judgment | Statute of Limitations |
| Judge | Yvonne Gonzalez Rogers |
Judgment Details: Why the case was lost
After deliberations, the jury found that the key event that Musk claimed harmed - OpenAI's transition from non-profit to for-profit - occurred before 2021, and Musk did not file the lawsuit until 2024.
It is worth noting that the jury did not directly reject Musk's substantive accusations. As Judge Yvonne Gonzalez Rogers said after the verdict: "There is substantial evidence to support the jury's findings, and that's why I am prepared to dismiss it in court."**
Musk himself also responded on social media: "There is no doubt that it is clear to anyone who has paid attention to the details of this case that Altman & Brockman did steal charity to enrich itself. I will appeal to the Ninth Circuit Court because the precedent of creating a charity robbery is extremely damaging to American philanthropy."
Bill Savitt, OpenAI's lead attorney, said: "Musk's lawsuit is nothing more than an afterthought and has no bearing on the facts."
Impact on the AI industry
Short-term impact: OpenAI IPO obstacles cleared
| Impact Dimension | Description |
|---|---|
| IPO Path | Legal obstacles are basically cleared, OpenAI can accelerate the IPO process |
| Non-profit dispute | The court did not substantively deny the legality of the non-profit → for-profit transformation |
| Fundraising environment | Concerns over shareholding reduction subside and investor confidence recovers |
Long-term Impact: AI Corporate Governance
Although the legality of the non-profit → for-profit transformation has not been directly denied in this case, the lack of legal precedent means:
- Similar structures (such as Anthropic’s public offering structure) may face different legal scrutiny
- If Musk’s appeal is successful, state laws on “charitable looting” could be revisited
- The corporate governance model in the AI industry remains in a legal gray area
Adaptation suggestions
For content creators and independent developers running AI automated workflows:
- Pay attention to the impact of OpenAI IPO on API pricing: OpenAI may adjust its pricing strategy after the IPO, and it is recommended to pay attention to API cost changes
- Prepare multiple AI suppliers: Do not rely on a single model supplier, keep at least three alternatives: OpenAI, Anthropic, and DeepSeek
- Pay attention to the Claude/MCP ecosystem: Anthropic is strengthening its Agent integration capabilities by acquiring Stainless. This direction is worth investing in.
Related extended information
Tool entry
Tools/platforms that appear naturally in the text: OpenAI, ChatGPT, Claude, Anthropic, DeepSeek
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