Elon Musk is suing Sam Altman and OpenAI, Inc. for breaching their 2015 express contract.

Elon Musk’s lawsuit accuses Sam Altman, Greg Brockman, and OpenAI's for-profit entities of conspiring to violate federal RICO laws.

Elon Musk has filed a lawsuit accusing OpenAI and its leaders, including Sam Altman and Greg Brockman, of committing wire fraud and violating RICO laws.

Elon Musk has expanded his lawsuit against OpenAI, accusing the company's for-profit entities of aiding and abetting fraud.

Elon Musk’s lawsuit accuses Altman, Brockman, and OpenAI, Inc. of constructive fraud.

Elon Musk is pursuing a claim for breach of an implied-in-fact contract against Sam Altman and OpenAI, Inc.

Elon Musk is pursuing a claim for unjust enrichment against all defendants, alleging that they improperly exploited OpenAI, Inc.’s resources for personal gain.

Elon Musk is pursuing a claim against Sam Altman and OpenAI, Inc. for breaching the implied covenant of good faith and fair dealing.

Elon Musk is suing the OpenAI For-Profit Entities for aiding and abetting breaches of fiduciary duty by Altman, Brockman, and OpenAI, Inc.

Elon Musk is suing Altman, Brockman, and OpenAI, Inc. under California Business & Professions Code §§ 17500 et seq. for false advertising.