Elon Musk is engaged in a legal battle with OpenAI and its CEO Sam Altman over the company's shift from a nonprofit to a for-profit entity.

High-profile law firms Morrison & Foerster LLP and Wachtell, Lipton, Rosen & Katz are representing OpenAI, indicating the high stakes of the lawsuit.

Musk's lawsuit accuses OpenAI of breaching its original nonprofit mission by forming a for-profit subsidiary and engaging in a licensing deal with Microsoft.

OpenAI's defense suggests that Musk was previously in favor of the company adopting a for-profit model and is now challenging its success.

The case has been classified as 'complex' and will be overseen by a single judge, which could streamline the legal process.

The lawsuit underscores broader concerns about the obligations and conduct of nonprofit corporations.