The U.S. Federal Trade Commission weighed in on Friday on Elon Musk's lawsuit seeking to block OpenAI's conversion to a public company, pointing out legal doctrines that could support his claim that OpenAI and Microsoft engaged in anticompetitive practices.

According to a report in the Financial Times, lawyers for Musk have contacted attorneys-general in Delaware and California to demand that a large stake in OpenAI be sold off in an open auction process.

OpenAI launched a for-profit subsidiary a year later in order to raise outside capital, including more than $13 billion so far from its biggest backer, Microsoft. However, the non-profit entity, along with employees and investors, currently owns that for-profit subsidiary.

A lawyer for billionaire Elon Musk has asked attorney generals in the states of California and Delaware to push OpenAI to auction a major stake in its business to decide fair value of its charitable asset during its corporate restructuring,

A lawyer for Elon Musk has called on the California and Delaware attorneys-general to force OpenAI to auction off a large stake in its business, intensifying a bitter fight with the company’s chief executive Sam Altman.