Deep in the New York Times’ complaint against Microsoft Corp. and OpenAI, the poster child of artificial-intelligence startups, is Exhibit J, the crux of the copyright-infringement lawsuit that accuses the defendants of using the Times’ copyright-protected content to train its AI model GPT-4.

Attorneys tell ALM publication and Law.com affiliate Legaltech News that Exhibit J is the most striking part of the complaint, and likely what elevates this suit above its predecessors.