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Apple Seeks Court Order to Compel Jon Prosser in iOS 26 Leak Lawsuit

The company says incomplete discovery is blocking efforts to trace what confidential data left a development iPhone.

Overview

  • A joint status report filed Monday disclosed Apple will ask an Ohio court to order Jon Prosser to comply with subpoenas served February 3 after only partial production.
  • Prosser had a default entered in October 2025 for not responding to the complaint and now says he is hiring counsel to seek to set that default aside.
  • Co-defendant Michael Ramacciotti has cooperated by providing another device for forensic review, agreeing to add to his answers, and offering a follow-up deposition, with informal settlement talks ongoing.
  • Apple says the missing materials are keeping it from mapping which iOS 26 trade secrets left its control, how they were accessed on the test device, and where they were shared.
  • Filed in July 2025, the case centers on alleged FaceTime access to an engineer's test iPhone and pre-release iOS videos, with a further court update due June 10, 2026.