A lawsuit between Elon Musk and Sam Altman, two prominent figures in Silicon Valley, is set to begin in a federal courthouse in Oakland, California. Musk accuses Altman, the president of OpenAI, and others of breaching their original agreement by transitioning OpenAI from a non-profit organization to a for-profit entity. The trial, expected to last two to three weeks, will include jury selection on Monday and opening arguments later this week. Musk is seeking over $134 billion in damages, claiming that Altman and Greg Brockman, another key executive, unjustly enriched themselves through their control of OpenAI. The lawsuit also alleges that Musk's initial funding of about $38 million was misrepresented as a donation, which he argues entitles him to ownership rights. OpenAI has denied these allegations, asserting that Musk agreed to the restructuring in 2017 as a necessary step for the company's growth. The case holds significant stakes for OpenAI, which is anticipated to go public later this year at a valuation of around $1 trillion.