OpenAI just replied to Apple’s trade secrets lawsuit, posting receipts in the form of recreated iMessage screenshots and email chains it says undercut Apple’s version of events. “Apple is one of the greatest companies of all time, and built a reputation for obsessing over the smallest details,” OpenAI wrote. At the centre of the dispute are two former Apple employees now at OpenAI. Apple alleges that Chang Liu accessed confidential company information after leaving, and that Tang Tan tried to obtain and use Apple trade secrets. I don’t know who he is and we have never spoken,” Chang wrote to Apple’s in-house lawyers.