( December 5, 2024, 4:25 PM EST) -- NEW YORK — OpenAI Inc. and various news entities that accuse it of using their copyrighted works to train artificial intelligence briefed a federal judge in New York over whether discovery evidence was deleted or merely reformatted and presents no obstruction to ongoing searches of the training material. In a separate ruling, the judge concluded that the New York Times Co.’s knowledge and use of AI tools are not relevant or proportional to the needs of the defendants’ fair use defense and denied a motion to compel. In another ruling, the judge said California labor law does not preclude OpenAI Inc. entities and Microsoft Corp. from producing work-related communications conducted through social media....