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Elon Musk vs. OpenAI Legal Battle

Musk's lawsuit challenging OpenAI's conversion from nonprofit to for-profit and his broader dispute with Sam Altman over AI's future

Court rejects Elon Musk’s claims against OpenAI in nonprofit dispute

2026-05-19

A federal jury in Oakland, California, dismissed claims filed by Elon Musk against OpenAI and its top executives, finding he waited too long to sue. Judge Yvonne Gonzalez Rogers accepted the jury’s verdict and dismissed the case on Monday after a three-week trial.

Neither OpenAI or Musk emerge unscathed in landmark trial

2026-05-18

OpenAI won its court fight against Elon Musk after a federal jury in Oakland, California found that Musk filed his lawsuit too late, according to the Associated Press. The verdict means neither side fully escaped damage from the three-week trial, which included testimony about Sam Altman’s candor and broader concerns about AI’s risks.

Closing arguments in Musk-OpenAI trial center on Altman's credibility

2026-05-15

A jury in Oakland heard closing arguments Thursday in Elon Musk's lawsuit against OpenAI and its CEO Sam Altman, with Musk's attorney calling Altman's credibility into question and OpenAI's attorney firing back that Musk's claims of a broken charitable trust are baseless.

Closing arguments set in Musk and OpenAI trial over nonprofit break

2026-05-15

Lawyers for Elon Musk and OpenAI made their final arguments Thursday in Oakland, California, in a lawsuit that could shape the future of artificial intelligence by forcing changes to OpenAI’s business structure. The jury will consider whether Musk filed the case on time and whether OpenAI, Sam Altman and other executives broke a “charitable trust” and unjustly enriched themselves.

Altman defends honesty as Musk seeks his ouster in OpenAI trial

2026-05-14

OpenAI CEO Sam Altman took the witness stand Tuesday in a federal trial in Oakland, California, denying accusations that he betrayed the company’s founding mission and misled its board. The civil lawsuit, brought by Elon Musk, seeks Altman’s removal and unspecified monetary damages, alleging the firm abandoned its nonprofit purpose to become a for-profit venture now valued at $852 billion.

Musk-OpenAI trial centers on control of AGI and humanity's risk

2026-05-08

In a federal trial in Oakland, California, Elon Musk and OpenAI CEO Sam Altman are fighting over the future of artificial general intelligence, with Musk claiming Altman betrayed OpenAI's nonprofit mission and Altman accusing Musk of seeking control for his own AI company.

AI risks to humanity loom over Musk’s trial case against OpenAI

2026-05-08

The trial pitting Elon Musk against OpenAI leadership is centered on a legal dispute over OpenAI’s nonprofit origins, but testimony has also drawn jurors into questions about the dangers of advanced artificial intelligence. In Oakland, California, the judge warned lawyers not to stray into broader safety debates, even as witnesses raised concerns about workforce disruption and the long-term threat posed by superhuman AI.

OpenAI president’s aide Brockman tells Musk trial his stake nears $30B

2026-05-05

Greg Brockman, OpenAI’s president and CEO Sam Altman’s top lieutenant, testified in a trial in Oakland, California, that his stake in OpenAI is worth nearly $30 billion. Brockman told the court Monday that he did not personally invest any money in OpenAI, as the civil lawsuit accuses Altman and Brockman of double-crossing Elon Musk’s founding mission.

Musk spars with OpenAI attorney as judge limits scope of nonprofit trial

2026-05-01

Elon Musk clashed with OpenAI’s lawyer on April 30 during his third day of testimony in a trial over the company’s transformation from a nonprofit to a for-profit behemoth, with a federal judge sharply limiting the proceedings to contractual disputes and barring any discussion of artificial intelligence’s dangers to humanity.

Elon Musk spars with OpenAI attorney in trial over nonprofit origins

2026-05-01

Elon Musk sparred with an attorney for OpenAI on Thursday during his third day of testimony in a federal trial in Oakland, California, over the company’s origins and its pivot from nonprofit status to a for-profit venture. The dispute centers on OpenAI’s 2015 founding as a nonprofit largely funded by Musk, and on Musk’s allegation that promises were broken about keeping the company dedicated to humanity.

Musk tells his side of OpenAI’s beginnings in trial against Sam Altman

2026-04-30

Elon Musk took the witness stand Wednesday for a second day in the federal trial in Oakland, California, that pits the Tesla chief against OpenAI CEO Sam Altman over the company’s nonprofit origins and Musk’s later decision to stop funding it. Musk testified that by late 2022 he believed Altman was trying to “steal the charity,” and he said the answer to whether OpenAI was formed as a nonprofit in December 2015 was “yes.”

Elon Musk testifies as trial against OpenAI CEO Sam Altman begins

2026-04-29

Elon Musk took the stand Tuesday in a federal civil trial in Oakland, California, where he is suing OpenAI’s CEO, Sam Altman, and others over the direction of the company’s AI mission. Jury selection finished Monday, and the trial is scheduled to last about three weeks.

Elon Musk renews suit against OpenAI, accusing Altman of betrayal

2026-04-28

Elon Musk filed a lawsuit against OpenAI and founders Sam Altman and Greg Brockman, renewing claims that the company abandoned its founding aim of benefiting the public. The complaint, filed in Northern California federal court, characterizes Musk’s case as a “textbook tale of altruism versus greed” and says Altman and others “intentionally courted and deceived Musk.” A spokesperson for OpenAI disputed the allegations, saying Musk’s earlier emails continue to speak for themselves and pointing to emails OpenAI released in March.

Judge says Elon Musk’s OpenAI fraud case will go to trial

2026-01-08

A federal judge indicated that a jury will be allowed to decide whether OpenAI hoodwinked Elon Musk as the company evolved from a nonprofit research lab into a for-profit business. U.S. District Judge Yvonne Gonzalez Rogers told lawyers in a hearing in Oakland, California, that she intended to reject OpenAI’s motion to dismiss Musk’s fraud claims.