Apple vs OpenAI: The Trade-Secrets Battle Explained

tech Aug 8, 2026 8 min read By Pyae Phyo Kyaw

On 4 August 2026, Apple asked a federal court to block OpenAI from building "an AI device or other products" using Apple technology — and revealed that as many as 11 additional former employees, beyond the two already named, may have carried confidential data to the AI company [1][2]. The request for a preliminary injunction is the latest escalation in a trade-secrets war between two of the most valuable companies in the world, one that began with a quiet letter in February and exploded into a federal lawsuit in July [2][3]. Here is what the fight is actually about, who the players are, and what happens next.

Figure 1: The story at a glance — from Apple's July lawsuit to the August injunction motion, the Waymo v. Uber precedent, and the October hearing.

What: a lawsuit, then a motion to freeze the damage

Apple filed its complaint on 10 July 2026 in the U.S. District Court for the Northern District of California, San Jose Division — case number 5:26-cv-07078, before Judge Edward J. Davila [2][4]. The defendants are OpenAI Foundation (formerly OpenAI, Inc.), OpenAI Group PBC, the hardware startup io Products, and two former Apple employees now at OpenAI: Chang Liu and Tang Yew Tan [2][4]. Apple alleges trade-secret misappropriation and breach of contract under the federal Defend Trade Secrets Act [2].

On 3 August 2026, Apple moved for a preliminary injunction — an emergency order that would bar the defendants from "accessing, acquiring, using or disclosing" Apple's trade secrets while the case proceeds [3][5]. Apple also asked the court to order forensic inspections of devices, cloud storage, email, and messaging platforms, and to grant expedited discovery, including depositions [3][4]. A hearing is set for 1 October 2026 at 9:00 a.m. PT [4].

Why: the hardware race

The stakes are straightforward: OpenAI is building hardware that could compete with the iPhone. The company shipped its first device — a $230 Codex Micro keyboard, released 15 July 2026 — and is reportedly working on a smart speaker, smart glasses, and an "AI agent phone" that would replace apps with context-aware assistants [6][7][8]. Apple argues it will be "irreparably harmed" if OpenAI builds those products on top of Apple engineering [3][5].

Who: the players

Chang Liu is a former Apple senior system electrical engineer who spent eight years at the company before joining OpenAI. Apple alleges that after leaving, Liu exploited "residual access" to Apple's third-party cloud storage on at least five occasions between February and April 2026, downloading thousands of pages of sensitive material — including display power development programs, engineering data for an unannounced product, and advanced research compilations [1][4]. He is also accused of coaching a former colleague on evading Apple security and of communicating over the private messaging app LINE to avoid detection [2].

Tang Yew Tan is Apple's former vice president of product design for the iPhone and Apple Watch, a roughly 24-year veteran who is now OpenAI's chief hardware officer. Apple alleges Tan used internal Apple project code names during OpenAI interviews, directed candidates to bring "actual parts" and CAD design artifacts for "show and tell" sessions, retained an internal "Need to Know" document about departure security procedures, and used Apple's confidential supplier information to approach its trusted partners [1][2][4].

io Products is the hardware startup co-founded by Jony Ive, Apple's former design chief, which OpenAI acquired for about $6.5 billion in May 2025 [2][7]. Ive himself is not named as a defendant [2]. A third former employee, Yu-Ting "Alyssa" Peng, was named in the original complaint [4]. Apple says more than 400 former Apple employees now work at OpenAI, including former design executives Evans Hankey and Scott Cannon [7][10].

When and where: a fast-moving docket

The case is moving quickly. Apple says it sent a letter to OpenAI in February 2026 raising concerns about departing employees and received no response [2]. Five months later the dispute was in court, and within three weeks of the complaint Apple had filed its injunction motion [2][3].

Table 1: The case at a glance
Milestone	Date	Detail
Apple letter to OpenAI	February 2026	Raised concerns; no response, per Apple [2]
Complaint filed	10 July 2026	Case 5:26-cv-07078, N.D. Cal., San Jose [2][4]
Preliminary injunction motion	3 August 2026	Bars use of trade secrets; seeks forensic inspection [3][5]
OpenAI public rebuttal	3-4 August 2026	"Apple is getting this wrong" blog post [9][10]
Injunction hearing	1 October 2026	9:00 a.m. PT before Judge Davila [4]

Which: the trade secrets at stake

Apple's complaint and injunction motion describe a specific set of confidential materials, from power-management engineering to a proprietary metal-finishing process [1][2][4].

Table 2: The alleged trade secrets
Alleged secret	Who is accused	How it was allegedly taken
Display power development programs (DisplayNotes.key)	Chang Liu	Downloaded via residual cloud access, Feb-Apr 2026 [1][4]
Engineering data for an unannounced product (touch, display, power systems)	Chang Liu	Thousands of pages downloaded from Apple cloud storage [1][4]
Advanced research compilations for undisclosed features	Chang Liu	Accessed after leaving Apple [1][4]
Apple internal project code names and departure security procedures	Tang Yew Tan	Used in interviews; retained "Need to Know" document [1][2]
Proprietary metal-finishing process	OpenAI / io	Allegedly misled an Apple partner into sharing it [2]
Prototypes and CAD design artifacts	OpenAI recruiting	Candidates told to bring them to "show and tell" interviews [1][2]

How: the alleged scheme

Apple's theory is that OpenAI ran a coordinated campaign to extract hardware knowledge through recruiting. The complaint alleges OpenAI instructed job candidates to bring Apple prototypes and "CAD/design artifacts" to interviews, used Apple's internal code names to elicit information, and exploited Apple's trusted partner network to obtain its metal-finishing technique [1][2]. Apple also says some former staff offered to return company hardware only after the lawsuit was filed [1].

OpenAI rejects the narrative. In a blog post titled "Apple is getting this wrong," published 3 August 2026, the company called the lawsuit "careless, aggressive and oddly personal" and said the injunction request is "based on false information and completely unnecessary because we do not have, nor want, any of their trade secrets" [3][9][10]. OpenAI published iMessage and email "receipts" it says show Apple staff reached out to Liu after his 22 January departure to help locate files, and argued that "residual access" is a recurring Apple problem caused by poor management of departing employees' system access [9][10]. OpenAI also claims Apple's lawyers confused "two Asian last names" and emailed the wrong person in February, and that a purported conversation with OpenAI's general counsel never happened [9][10].

OpenAI agreed to the first three of Apple's five proposed conditions — stop access, halt use, and preserve evidence — but rejected forensic inspection and system searches [3][4].

The historical parallel: Waymo v. Uber — and the xAI dismissal

Silicon Valley has been here before. In 2017, Waymo sued Uber, alleging that former engineer Anthony Levandowski downloaded about 14,000 files (9.7 GB) before leaving to found Otto, which Uber acquired for $680 million [11]. The case settled on the fifth day of trial in February 2018, with Uber paying roughly $245 million in stock — 0.34% of its equity — and expressing "regret" [11]. The lesson: trade-secrets cases over talent moves rarely go to verdict, but they are expensive and can reshape a company's hardware plans.

The more immediate precedent cuts in OpenAI's favour. On 15 June 2026, U.S. District Judge Rita Lin dismissed with prejudice Elon Musk's xAI trade-secrets lawsuit against OpenAI, which alleged OpenAI poached engineers and induced them to share source code [12]. The judge ruled that asking candidates about their past work is "routine" and that passively receiving information is not misappropriation under the Defend Trade Secrets Act [12]. OpenAI's lawyers argued the company "does not need or want anyone's trade secrets" — the same line it is using against Apple [12].

What next: the October hearing and OpenAI's roadmap

Three things to watch.

1. The 1 October injunction hearing

Judge Davila will weigh whether Apple has shown a likelihood of success and irreparable harm. If the injunction is granted, OpenAI's hardware work could be constrained while the case proceeds; if denied, Apple's leverage weakens [3][4][5].

2. Expedited discovery

Apple wants depositions of Liu, Tan, and Peng, plus forensic inspection of devices and accounts [3][4]. What those depositions surface — and whether the "11 additional" former employees are named — will shape the case [1].

3. OpenAI's hardware and IPO calendar

OpenAI filed a confidential S-1 with the SEC in June 2026, was last valued at $852 billion, and has said it has not decided on timing for a public listing [13]. Its hardware roadmap is central to that story: a smart speaker is expected in early 2027, and an AI agent phone is reportedly in mass production for the first half of 2027 [7][8]. A trade-secrets cloud over the hardware team is exactly the kind of risk an IPO prospectus must disclose.

Table 3: OpenAI's hardware roadmap
Product	Status	Timeline
Codex Micro keyboard ($230)	Shipped	15 July 2026, with Work Louder [6]
ChatGPT smart speaker ($200-300)	In development	Expected early 2027; first io product [7]
AI agent phone	In development	Mass production H1 2027; MediaTek Dimensity 9600, Luxshare [7][8]

For now, the two companies that once seemed destined to be partners — Apple and OpenAI — are locked in a courtroom fight over the people and knowledge that move between them. The October hearing will be the first real test of whether Apple's trade-secrets theory holds up, and of how much of OpenAI's hardware future is at stake.

References

Disclaimer

This article is for informational purposes only and is not legal advice. It summarises allegations in a pending lawsuit; all parties deny or contest the claims, and the facts are as reported by the cited sources as of 8 August 2026. Court cases move quickly — always check the docket for the latest status.