Elon Musk’s legal feud with OpenAI CEO Sam Altman is just getting started. A California federal district judge this week made it clear that a courtroom fight over the future of OpenAI — the organization Musk and Altman founded together in 2015 before parting ways — could last well into 2027.

A federal judge weighed in Tuesday on a long-brewing legal feud between billionaires Elon Musk and Sam Altman over OpenAI, suggesting she’s unlikely to halt the company’s plan to restructure for now.