Judge Rules Musk’s Billion-Dollar Lawsuit Against OpenAI Will Face Jury Trial

On January 8, U.S. District Judge Yvonne Gonzalez Rogers blocked OpenAI’s attempt to dismiss Elon Musk’s lawsuit, ruling there is “plenty of evidence” the AI company’s leaders made assurances about maintaining its nonprofit structure. “This case is going to trial,” she declared at a hearing , setting a March 30, 2026, jury date for what Musk characterizes as a “$157 billion, for-profit, market-paralyzing gorgon” with billions in damages at stake.

At the Heart of the Dispute: Broken Promises and Billions

The controversy stretches back nearly a decade. Musk sued OpenAI and co-founders Sam Altman and Greg Brockman in 2024, alleging they betrayed their original contractual agreements.

Marc Toberoff, Musk’s lead counsel, stated: “The hearing confirms what we’ve maintained from the outset: there is substantial evidence that OpenAI’s leadership made knowingly false assurances to Mr. Musk about its charitable mission that they never honored in favor of their personal self-enrichment.”

OpenAI promised to “chart a safer, more open course than profit-driven tech giants,” the lawsuit alleges. Musk invested about $38 million in early funding based on assurances that OpenAI would remain a nonprofit.

Four specific claims can proceed: breach of charitable trust, constructive fraud, fraud, and unjust enrichment. This extends charitable trust law into the tech industry, potentially reshaping how founders structure verbal commitments during company formation.

From Co-Founder to Courtroom Adversary

The path from partnership to litigation began with a power struggle. Musk resigned from OpenAI’s board in 2018 after his bid to take over as CEO was rejected by other co-founders, who put Altman up for the job.

According to OpenAI’s own account, in late 2017 OpenAI and Musk decided to create a for-profit entity. During these negotiations, Musk wanted majority equity, initial board control, and to be CEO.

His demand reveals the core conflict: Musk sought personal control over the for-profit transition, while other founders pursued collaborative governance.

As talks stalled, Musk withheld funding, forcing Reid Hoffman to bridge the gap to cover salaries and operations. Other co-founders concluded they couldn’t agree because absolute control violated the mission.

In a February 2018 email, Musk wrote: “exactly right… Tesla is the only path that could even hope to hold a candle to Google.”

Musk then suggested merging OpenAI into Tesla. When those plans failed, in a December 2018 email, Musk warned: “Even raising several hundred million won’t be enough. This needs billions per year immediately or forget it.”

An email trail exposes a central contradiction undermining Musk’s current legal position. He recognized OpenAI needed billions in capital that only for-profit structures could attract, yet now challenges the conversion he once advocated for.

Years later, in February 2025, Musk made an unsolicited $97.4 billion bid to buy OpenAI, which OpenAI’s board dismissed. This rejected acquisition underscores that Musk’s objection centers not on the for-profit conversion itself, but on his exclusion from controlling it.

OpenAI’s Transformation: From Nonprofit Lab to Public Benefit Corporation

To understand what Musk is challenging, it’s essential to trace OpenAI’s corporate evolution. OpenAI was founded in 2015 as a nonprofit research lab.

The company began moving away from its pure nonprofit roots in 2019 by creating a for-profit subsidiary with a “capped-profit” model.

In October 2025, OpenAI announced its updated structure. The nonprofit is now called the OpenAI Foundation, and the for-profit entity is now called OpenAI Group PBC.

The Foundation continues to control the OpenAI Group through special voting and governance rights, while holding a 26% equity stake worth approximately $130 billion.

Special voting rights preserve governance authority despite minority equity ownership, while the Public Benefit Corporation designation legally requires balancing profit against public good.

Whether this structure satisfies charitable obligations or merely camouflages betrayal hinges on perspective: OpenAI argues it preserved nonprofit influence through governance mechanisms, while Musk contends equity dilution and profit incentives inevitably corrupt any mission.

Microsoft’s $13.75 Billion Investment at Stake

Building on this restructuring, the lawsuit entangles also Microsoft is named as a defendant for aiding and abetting OpenAI’s breach of fiduciary duty.

The tech giant invested $13.75 billion in OpenAI and now holds a 27% stake. 

Microsoft’s 27% stake exceeds the Foundation’s 26% ownership, yet lacks equivalent governance rights.

Should the jury find OpenAI breached its nonprofit duties, Microsoft could face liability for knowingly participating in that breach. This Microsoft dimension transforms this from a founder dispute into a test of investor accountability in nonprofit-to-for-profit conversions.

The Irony: Musk’s Own xAI Journey

In a twist that complicates Musk’s moral authority, the entrepreneur pursued his own path in AI.

Musk launched his own for-profit company xAI in 2023 as a competitor to OpenAI. xAI started as a for-profit benefit corporation, but dropped its benefit corporation status in 2025 when Musk merged it with his social network X.

Grok, xAI’s chatbot, has allowed users to create deepfake porn and AI-generated images depicting child sexual abuse. As a result X and xAI are facing regulatory probes by the European Commission, India, Malaysia and Australia over harmful AI-generated images. This trajectory undercuts Musk’s moral positioning.

And while demanding OpenAI maintain stronger mission protections, his own AI venture abandoned even the benefit corporation framework, a less restrictive structure than the nonprofit status he claims OpenAI violated.

Such patterns suggest the lawsuit represents competitive strategy as much as principled objection.

Competing Narratives: Mission Evolution or Mission Betrayal?

Both sides present fundamentally different interpretations. According to OpenAI, the company’s internal discussions about pursuing a for-profit structure occurred while Musk was still involved, and his own emails from that period acknowledge the need for billions in investment capital that required moving beyond the pure nonprofit model.

OpenAI frames the for-profit conversion as consistent with founding discussions rather than a departure from them. OpenAI maintains that its mission to benefit humanity remained intact even as the corporate structure evolved to attract necessary funding.

In contrast, Musk’s legal team counters that these explanations are post-hoc rationalizations masking “personal self-enrichment.”

A jury must decide whether OpenAI evolved pragmatically to meet capital demands or whether its leaders exploited nonprofit assurances to secure early investment before pursuing a for-profit agenda they intended all along.

What Survived the Motion to Dismiss

OpenAI lawyers filed a motion to dismiss the case, but Judge Rogers found sufficient evidence to move forward, stating:

“There were assurances made that it was going to be not-for-profit, and a jury may find that compelling. It’s circumstantial, but that’s how that works.”

The case survived three dismissal attempts in March 2025, May 2025, and January 2026. Such survival demonstrates unusual evidentiary strength for fraud cases built on informal assurances rather than explicit written contracts.

Rogers is considering a bifurcation of the case, meaning the statute of limitations dispute would be heard first. Musk must prove when he discovered the alleged fraud before the jury evaluates whether OpenAI’s leaders knowingly misled him. Bifurcation creates a procedural hurdle Musk must clear before reaching the merits of his fraud claims.

Industry Implications Beyond the Personalities

Beyond the Musk-Altman feud, the case raises questions about nonprofit governance in the tech industry in general. When the Attorneys General of California and Delaware declared on October 28, 2025, that they had no objection to OpenAI’s recapitalization, it suggested regulatory acceptance of such transformations.

Yet a jury verdict favoring Musk could establish new precedents for how charitable trust law applies to AI companies. Regulatory approval demonstrates that state authorities found OpenAI’s structure legally adequate, but a jury could still find it breached fiduciary duties to early donors.

Such tension highlights the gap between satisfying state corporation law and honoring donor-specific commitments.

Other investors who participated in OpenAI’s $40 billion fundraising round in 2025, including Japan’s Softbank, received 15% equity, while OpenAI employees received 26% equity.

Equity distribution creates competing narratives. OpenAI can frame employee ownership as balancing stakeholder interests. Musk’s team will likely argue that employees receiving 26% equity while external investors got 15% for $40 billion demonstrates insider enrichment.

Identical facts support different interpretations depending on whether employee compensation represents mission-aligned talent retention or mission-betraying wealth transfer.

The Road to March 30

With pretrial maneuvering complete, both legal teams face a countdown to jury selection. Musk’s attorneys must prove that informal assurances made during OpenAI’s founding years constitute legally enforceable promises, while OpenAI’s defense will emphasize that the restructuring preserved the nonprofit’s mission through governance control.

Procedural bifurcation means Musk must first establish he discovered the alleged fraud recently enough to satisfy the statute of limitations.

Only after clearing that threshold will the jury evaluate whether OpenAI evolved to meet capital demands or whether its leaders used nonprofit assurances to secure early investment before pursuing a for-profit structure they intended all along.

For OpenAI, the stakes include potential disgorgement of billions and possible unwinding of the Microsoft partnership underpinning its commercial strategy. For Musk, victory would validate his betrayal claim, though he’ll face questions about why his own xAI abandoned its benefit corporation status.

For the tech industry collectively, the March 30 trial will test whether informal founder commitments carry legal consequences when billions in damages and the future of nonprofit-to-for-profit conversions hang in the balance.