TLDR
- Apple has filed a federal lawsuit against OpenAI in the Northern District of California, accusing it of trade secret theft and breach of contract
- Former Apple hardware chief Tang Yew Tan allegedly forwarded supplier data and encouraged job candidates to bring unreleased Apple components to interviews
- Engineer Chang Liu allegedly kept an Apple laptop after leaving and used it to download confidential documents
- OpenAI is accused of showing a proprietary Apple metal-finishing technique to a manufacturing partner without approval
- Analysts warn the lawsuit could delay OpenAI’s hardware plans and damage its partnership with Apple
Apple filed a federal lawsuit against OpenAI on Friday, accusing the AI company of stealing trade secrets and breaching their contract. The case was filed in the Northern District of California.
$AAPL sued OpenAI in federal court, alleging trade secret theft tied to OpenAI’s consumer hardware push.
Apple named OpenAI hardware chief Tang Tan and former Apple engineer Chang Liu in the suit, alleging confidential hardware files and unreleased product materials were taken.… pic.twitter.com/qJKR7X6vDq
— Wall St Engine (@wallstengine) July 11, 2026
The two companies have been partners since 2024, when Apple built ChatGPT directly into the iPhone operating system. That relationship has now turned into a legal fight.
What Apple Says Happened
The central figure in the complaint is Tang Yew Tan, a former Apple employee of nearly 25 years who worked on iPhone and Apple Watch product design. He later co-founded io Products, the hardware studio OpenAI acquired for around $6.5 billion in 2025.
Apple alleges Tan forwarded supplier information to his personal email before leaving the company. He also allegedly coached new recruits on Apple’s departure procedures and told candidates interviewing at OpenAI to bring unreleased Apple hardware — including batteries, logic boards, and System-in-Package modules — to interviews as “show and tell.”
A second employee named in the complaint is Chang Liu, a senior systems electrical engineer. Apple says he kept an Apple-issued laptop after joining OpenAI and used it to download confidential technical documents.
A third allegation involves a proprietary metal-finishing technique. Apple says OpenAI demonstrated the process to a manufacturing partner while leading that partner to believe Apple had approved it.
OpenAI denied all the claims. “We have no interest in other companies’ trade secrets,” the company said in a statement.
What This Means for OpenAI’s Hardware Plans
The lawsuit arrives at a sensitive time for OpenAI. The company has confirmed plans to release its first consumer device, with reports describing a screenless wearable and a smart camera speaker. Parts of the product lineup have already slipped toward early 2027.
Legal discovery will now reach into OpenAI’s hardware lab during a critical period. If Apple wins an early injunction, it could directly block work on the device program.
Analyst Paolo Pescatore told Reuters: “Even if the allegations are not proven, the lawsuit could delay OpenAI’s hardware ambitions and further weaken what is already becoming an increasingly fragile partnership.”
The case also arrives as Apple prepares for a leadership transition. Tim Cook becomes executive chairman on September 1, handing the CEO role to John Ternus, Apple’s hardware engineering chief.
Apple is asking the court to bar OpenAI from keeping or using any of the alleged stolen material and to order its return.
The case is expected to move through legal motions for some time. Both companies agree on one thing: the next major consumer computing platform is being decided now.
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