Apple has filed a lawsuit against OpenAI in a U.S. federal court, alleging a coordinated campaign to steal trade secrets for OpenAI’s upcoming AI hardware device.

• Apple claims over 400 of its former employees now work at OpenAI, uncovering a "pattern of theft."
• Key figures include Apple's former VP of Product Design, Tang Tan, now Chief Hardware Officer at OpenAI, and Chang Liu, a former Apple engineer.
• The lawsuit, filed on July 10, 2026, accuses OpenAI of using stolen information to mislead suppliers and recruit former Apple employees using internal codenames and documents.