Cybersecurity

Apple Sues OpenAI for Trade Secret Theft

11 July 2026 Mehdi 06:32
Apple Sues OpenAI for Trade Secret Theft

The talent war in artificial intelligence just hit a new level. On July 10, 2026, Apple filed a lawsuit against OpenAI, accusing two former employees of stealing its trade secrets for the benefit of its direct competitor. The case exposes deep tensions between major tech companies over intellectual property in AI.

Apple Sues OpenAI for Trade Secret Theft

The complaint leaves no room for interpretation: “This case concerns former Apple employees who stole Apple’s trade secrets for the benefit of OpenAI.” The filing, submitted to the federal court for the Northern District of California, names two individual defendants along with OpenAI and its hardware subsidiary io Products.

The two former employees named are Chang Liu and Tang Tan. Tang Tan served as Apple’s Vice President of Product Design, overseeing the design of the iPhone and Apple Watch. He left the company in February 2024 to join Jony Ive’s design studio, which was later acquired by OpenAI as part of a $6.5 billion deal. Chang Liu spent eight years at Apple as a senior electrical engineer before joining OpenAI in January 2026.

Specific and Documented Allegations

Apple doesn’t stick to vague claims. The complaint describes concrete, repeated behaviors.

Regarding Tang Tan:

  • He allegedly used confidential Apple information during job interviews to extract additional internal data from candidates still employed at Apple.
  • He allegedly asked those candidates to bring actual physical Apple components to “show and tell” sessions.
  • He allegedly distributed an internal Apple document listing secure departure protocols to new OpenAI hires, even before they had submitted their resignations.
  • One candidate allegedly began downloading files related to a highly confidential Apple project just hours before an interview with Tan, who then followed up with pointed questions about that same project.

Regarding Chang Liu:

  • He allegedly exploited a security vulnerability to download confidential engineering files after leaving Apple.
  • He allegedly downloaded a compilation of more than a thousand pages of technical documents, including printed circuit board manufacturing plans.
  • He allegedly advised a colleague he was recruiting for OpenAI on which confidential documents to study before her own interview.
  • He never reported the vulnerability he exploited, and reportedly joked about it in private messages.

Apple also states that a trusted manufacturing partner was used by OpenAI to reproduce a proprietary Apple metal finishing technique, after being led to believe it had authorization to do so.

A Context of Intense Mobility Between Apple and OpenAI

This dispute didn’t come out of nowhere. Apple notes that more than 400 former employees now work at OpenAI. The company says it alerted OpenAI as early as February 2026, requesting an internal investigation. OpenAI allegedly never responded.

Apple describes the facts outlined in the complaint as the “tip of the iceberg,” suggesting the actual scope of the problem goes well beyond what the initial filing covers. The company is seeking an injunction and damages.

The case fits into a clear strategic context. Apple is developing its own AI models under the Apple Intelligence brand. OpenAI is preparing its entry into the hardware market, with plans for a smartphone and a HomePod-style device. These two trajectories intersect directly, and engineers capable of navigating between both worlds are at the center of the battle.

It’s also worth noting that before this lawsuit, Bloomberg had reported that OpenAI was considering legal action against Apple over the ChatGPT integration partnership within Siri. Apple explicitly states that this commercial agreement is not at issue in the current case.

Key Takeaways

  • Apple filed suit on July 10, 2026 against OpenAI, io Products, and two former employees for trade secret misappropriation.
  • The allegations are specific: extraction of internal files, exploitation of a security vulnerability, and job interviews used to extract confidential information.
  • Apple says it alerted OpenAI as early as February 2026 with no response, and describes the known facts as “the tip of the iceberg.”
  • The case highlights the legal risks tied to AI engineer mobility between major companies, a central issue for any organization managing sensitive proprietary data.
  • Watch for: OpenAI’s official response, any preliminary injunctions requested from the court, and the impact on hiring practices across the AI industry.

This case directly touches on offboarding security practices and intellectual property policies at tech companies. If you want to dig into the organizational security angle or the implications for DevSecOps teams, drop a comment or follow the blog.

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