A U.S. court has definitively dismissed xAI's lawsuit against OpenAI: Musk's defeat in the battle over trade secrets.
A US federal court has ruled to permanently dismiss the lawsuit filed by Elon Musk's xAI against OpenAI, concerning the alleged misuse of trade secrets. Judge Rita Lin's ruling is preclusive — a similar lawsuit cannot be refiled. This is a serious blow to Musk's legal strategy, who attempted to prove that OpenAI deliberately poached engineers to gain access to confidential developments.
At the center of the dispute was former xAI engineer Xuechen Li. According to court documents, during a job interview at OpenAI, Li gave a presentation describing his experience working on reinforcement learning and post-training systems for the Grok 4 chatbot. The plaintiff argued this was a direct violation of trade secret protection. However, Judge Lin pointed out a fundamental distinction: discussing previous experience during hiring is not equivalent to inducing the disclosure of protected information.
This ruling marks the second legal setback for Elon Musk in his confrontation with OpenAI in the past month. Recall that in May, a jury dismissed his separate $150 billion lawsuit related to alleged violations of antitrust laws and the terms of the initial partnership.
Analyst's comment: xAI's defeat in this case highlights the complexity of protecting trade secrets in the AI field, where talent mobility and the exchange of experience are the norm. US courts are generally reluctant to restrict the free movement of specialists unless there is direct evidence of the transfer of secret documents or code. For Musk, this is a signal that litigation is not the best tool for competing with OpenAI; the focus should be on the technological superiority of his own models.