Key Takeaways
- Apple filed a lawsuit against OpenAI on Friday, July 10, 2026, in the U.S. District Court for the Northern District of California, alleging trade secret theft and breach of contract tied to Apple’s unreleased hardware.
- Two named defendants — OpenAI Chief Hardware Officer Tang Tan and former Apple electrical engineer Chang Liu — are accused of taking confidential Apple materials and using them while building OpenAI’s own hardware.
- Apple claims OpenAI encouraged job candidates to bring physical Apple components to interviews and coached departing staff on how to evade Apple’s exit-security checks; OpenAI denies wrongdoing.
- OpenAI CEO Sam Altman responded on X that he is “not afraid” of Apple but has “tremendous respect” for the company, calling it an “s-tier” business.
- The dispute lands as Apple prepares to hand its CEO role from Tim Cook to John Ternus in September, and as OpenAI moves toward a planned IPO.
What Apple Is Alleging
Apple’s complaint, filed in federal court in Northern California, accuses OpenAI of running what the filing describes as a coordinated pattern of trade secret theft reaching into the company’s senior leadership. According to Apple, the alleged scheme was aimed at accelerating OpenAI’s push into consumer AI hardware — a category Apple has not yet entered but is reportedly developing internally.
The lawsuit names two individual defendants alongside OpenAI: Tang Tan, OpenAI’s chief hardware officer, and Chang Liu, a former Apple systems electrical engineer. OpenAI’s hardware venture, io Products, is also named. Apple is asking the court to block OpenAI from using or disclosing any Apple trade secrets, force the return of confidential materials, and preserve evidence for the case. It’s worth stressing that these are allegations in a civil filing — none of the claims have been tested in court, and OpenAI disputes them.
Who Tang Tan and Chang Liu Are
Tan spent roughly two decades at Apple, most recently as vice president of product design for the iPhone and Apple Watch, before joining OpenAI. Apple alleges Tan used internal Apple project codenames while recruiting candidates who still worked at Apple, and allegedly asked some to bring actual Apple hardware components — batteries, logic boards, and similar parts — to interviews for what the filing calls “show and tell” sessions. Apple also claims Tan emailed himself supplier information before he left the company.
Liu, a former senior Apple electrical engineer, is accused of keeping a company-issued laptop after departing for OpenAI and later discovering a way to access Apple’s internal cloud storage. Apple alleges Liu downloaded confidential technical documents — including details tied to unannounced products — after he had already left the company, and shared some of that information with Apple employees who were interviewing at OpenAI. Separately, Apple alleges OpenAI approached one of Apple’s manufacturing partners and had it perform a proprietary metal-finishing technique, allegedly leading the partner to believe Apple had authorized it.
From Partnership to Courtroom
The lawsuit marks a striking reversal for two companies that were, until recently, close collaborators. Apple integrated OpenAI’s ChatGPT into Apple Intelligence starting in 2024, and Altman appeared alongside Tim Cook at Apple’s campus for the announcement. That relationship has since cooled: Apple said in January it would shift its next-generation Siri to Google’s Gemini models rather than deepen its OpenAI partnership, and tension escalated further after OpenAI’s roughly $6.4 billion acquisition of io Products, the hardware startup co-founded by former Apple design chief Jony Ive. Ive was not named as a defendant in Apple’s suit but now leads OpenAI’s device efforts.
Apple’s complaint says the company sent OpenAI a letter raising its concerns back in February and received no response before filing suit. Apple also says its investigation found that more than 400 former Apple employees are now working at OpenAI — a detail the complaint uses to argue the alleged pattern extends well beyond the two named defendants.
Altman’s Response — and a Feud Playing Out in Public
OpenAI’s official response has been brief. A company spokesperson said OpenAI has “no interest in other companies’ trade secrets” and remains focused on its own technology. Altman took a more personal tone on X, telling one user he is “not afraid of apple” but has “tremendous respect” for the company, adding that it’s an “s-tier company.”
The remark landed amid a separate, unrelated flare-up between Altman and Tesla and SpaceX CEO Elon Musk, who mocked Altman over the lawsuit on X the same weekend. The timing is coincidental — the Musk exchange centers on long-running tension between the two dating back to OpenAI’s founding — but it added extra visibility to Altman’s Apple comments just as the lawsuit was dominating tech headlines.
What Happens Next
The case lands at a moment of transition for both companies. Tim Cook is due to hand Apple’s CEO role to John Ternus in September, meaning Apple’s next chief executive will inherit this litigation early in his tenure. OpenAI, meanwhile, is preparing for a widely anticipated IPO and recently prevailed in a separate high-profile trial brought by Musk over the company’s for-profit restructuring. A trade secret fight with one of the industry’s most powerful companies adds a new variable to that timeline, though neither side has said publicly whether it will affect the companies’ existing ChatGPT-Siri integration.
Frequently Asked Questions
Did Apple provide direct evidence of trade secret theft, or is this only an allegation? The claims are allegations laid out in a civil complaint. Apple says its own investigation of company devices and server logs led to the suit, but the allegations have not been proven in court, and OpenAI disputes them.
Is OpenAI’s hardware device named in the lawsuit? OpenAI has not announced a release date or full details for its hardware device. Altman has said prototypes were completed as of last November, and the lawsuit’s allegations center on trade secrets Apple says relate to that unreleased product line.
Does this affect the existing ChatGPT integration in Apple products? Apple has not said the lawsuit changes its existing ChatGPT integration in Apple Intelligence. Separately, Apple has already announced plans to move its next Siri upgrade to Google’s Gemini models.
Is Jony Ive named as a defendant? No. Ive co-founded io Products, the hardware startup OpenAI acquired, and now leads OpenAI’s device work, but Apple’s complaint does not name him personally.
Closing Analysis
What’s unresolved here is significant: none of Apple’s claims have been tested in discovery or before a jury, and OpenAI has flatly denied wrongdoing. What to watch next is whether the case proceeds toward discovery — which could surface internal communications from both companies — and whether it complicates OpenAI’s IPO timeline or Apple’s own hardware ambitions. The dispute matters beyond the courtroom because it doubles as an early skirmish over who controls the next major computing form factor after the smartphone.
