Apple says OpenAI’s coming AI devices are built on stolen secrets from former Apple employees. OpenAI denies wrongdoing, but the lawsuit turns a once-friendly AI partnership into one of Silicon Valley’s most consequential trade-secret fights.
Apple and OpenAI were supposed to represent the new technology alliance: one company controlled the world’s most important consumer-device ecosystem, the other controlled one of the most powerful artificial-intelligence platforms in the world. That alliance is now in court.
Apple has filed a federal lawsuit accusing OpenAI, its hardware business and two former Apple employees of using stolen trade secrets to support OpenAI’s push into AI-powered consumer gadgets, according to court-record reporting and multiple news accounts published Thursday. The case marks a sharp break between two companies that only recently appeared aligned through Apple’s integration of ChatGPT into Apple products.
The lawsuit, filed in the U.S. District Court for the Northern District of California, names OpenAI, io Products and former Apple employees Tang Yew Tan and Chang Liu as defendants, according to Reuters and other outlets. Apple alleges that the defendants misappropriated confidential Apple information as OpenAI built a hardware operation around future AI devices. OpenAI denies wrongdoing.
The allegations are explosive because they go beyond ordinary employee movement in Silicon Valley. Technology companies routinely hire from one another. Engineers, designers and executives often carry general skill, experience and judgment from one employer to the next. That is legal and expected.
Apple is alleging something more serious: that OpenAI’s hardware push was contaminated by confidential Apple materials, supplier information and internal product knowledge that former employees allegedly took or solicited improperly.
The case now forces a central question for the next era of artificial intelligence: when AI companies move from software into physical devices, will they build the future from scratch, or will they try to shortcut decades of hardware knowledge held by companies like Apple?
Apple’s complaint centers on the development of OpenAI’s planned AI gadgets, an area that has drawn intense investor, media and consumer curiosity. OpenAI has been trying to move beyond chatbots and cloud-based AI services into physical devices that could make artificial intelligence more ambient, portable and personal. The company’s 2025 acquisition of io Products, a hardware startup co-founded by former Apple design chief Jony Ive and former Apple executive Tang Yew Tan, turned that ambition into a serious product race.
OpenAI reportedly paid $6.5 billion for io Products. That price immediately signaled that the company was not merely experimenting with hardware. It was buying design talent, product vision and a path toward a device category that could challenge the smartphone’s role as the center of consumer computing.
Apple now argues that OpenAI’s route into that market was not clean
According to reports on the lawsuit, Apple claims Tang, a former Apple vice president who later became OpenAI’s chief hardware officer, encouraged job candidates from Apple to bring confidential information, including actual Apple components, to interviews. Apple also alleges that Chang Liu, who joined OpenAI after years at Apple, improperly retained access to internal Apple systems through a software or authentication issue after his departure and downloaded sensitive engineering materials.
Those allegations remain unproven. They are Apple’s claims, not judicial findings. OpenAI has denied having any interest in competitors’ trade secrets and has said it is focused on innovation.
But the details reported from the complaint are damaging because they describe not a single misplaced file, but an alleged pattern of conduct. Apple portrays the alleged activity as institutional rather than accidental. It argues that OpenAI’s emerging device business is tainted by knowledge that belongs to Apple.
If Apple can prove that claim, the case could threaten more than damages. Apple is expected to seek court orders preventing the use of its trade secrets, which could affect OpenAI’s hardware development timeline, product design, supplier strategy or launch plans. That is why the lawsuit matters far beyond the parties.
The technology industry is entering an AI hardware arms race. The smartphone is still dominant, but the industry is searching for the next interface: wearable assistants, voice-first devices, AI earbuds, smart glasses, ambient computing tools and screenless personal companions. OpenAI, Meta, Google, Apple, Samsung and numerous startups are all trying to define how consumers will interact with AI outside the chat window.
Apple enters that race with enormous advantages: industrial design, custom chips, retail stores, privacy positioning, supply-chain mastery and more than a billion active devices. But Apple has also been criticized for moving more slowly in generative AI than rivals. OpenAI, by contrast, became the public face of the AI boom through ChatGPT, but it lacks Apple’s long history of building mass-market hardware. That makes former Apple talent especially valuable. The problem is where the law draws the line.
A former Apple employee can bring experience, taste and personal skill to a new employer. A former Apple employee cannot bring confidential files, unreleased product details, supplier lists, prototype knowledge or trade secrets protected by law and employment agreements. The difference can be easy to describe and difficult to litigate. Companies often fight over whether information is truly secret, whether it was actually used, whether a new product was independently developed and whether alleged similarities reflect stolen knowledge or ordinary industry practice. Apple’s lawsuit will likely turn on those details.
The company must identify the trade secrets it claims were taken, explain how they were protected, show how defendants allegedly acquired them and demonstrate actual or threatened use. OpenAI will likely argue that it developed its products independently, that it does not rely on Apple secrets, and that hiring experienced hardware leaders is not illegal. The defense may also challenge whether Apple’s claims are specific enough or whether the alleged information is already publicly known, generally understood in the industry or unrelated to OpenAI’s final product direction.
The lawsuit also creates an uncomfortable contrast with Apple and OpenAI’s public partnership
In 2024, Apple announced that ChatGPT would be integrated into Apple Intelligence features across iPhone, iPad and Mac experiences. At the time, the partnership helped Apple answer investor concerns that it was lagging in generative AI. OpenAI gained access to Apple’s massive user base and the legitimacy of being selected by one of the world’s most powerful consumer-technology companies. Now Apple is accusing that same AI partner of stealing from its hardware playbook.
The turnabout is striking because partnerships in Silicon Valley often rest on mutual dependency. Apple needed OpenAI’s AI capabilities. OpenAI benefited from Apple’s distribution. But as OpenAI moved closer to building devices of its own, the relationship appears to have shifted from complementary to competitive. That transition may define the next phase of AI.
Software companies want hardware because hardware controls the user’s daily behavior. Hardware companies want AI because AI may redefine what devices do. Cloud companies want agents. Chip companies want infrastructure. Every layer of the technology stack is being pulled toward every other layer. As that happens, talent becomes a battlefield.
The best AI-hardware engineers, product designers, supply-chain specialists, interface experts and device architects are concentrated inside a handful of companies. Apple has spent decades building a culture of secrecy around unreleased products. If OpenAI wants to make a category-defining device, hiring people who understand Apple’s design and manufacturing system is an obvious strategy. But Apple’s lawsuit says OpenAI crossed the boundary from hiring talent to harvesting secrets.
The company’s allegations against interview practices are particularly sensitive. If Apple can show that candidates were encouraged to disclose confidential information or bring physical parts to interviews, that could support a broader claim of improper corporate conduct. In trade-secret cases, courts often look not only at what employees took, but at whether the new employer encouraged, ignored or benefited from the conduct.
OpenAI’s denial will therefore be central. The company must convince the court, investors and potential hardware partners that its device project is not built on stolen information. That matters because hardware depends on trust. Suppliers, manufacturers, regulators and distribution partners will hesitate if a product is under legal threat or if core design decisions could later be enjoined.
The timing is also important. OpenAI has been facing other legal pressures, including copyright lawsuits and earlier trade-secret accusations from Elon Musk’s xAI that were dismissed by a federal judge. Apple’s case is different because Apple is not merely a rival AI lab complaining about model development. It is the world’s most sophisticated consumer-hardware company accusing OpenAI’s hardware organization of taking device-related secrets. That may carry more weight with investors.
OpenAI’s hardware push is one of the company’s most ambitious attempts to define its post-ChatGPT future. Chatbots are powerful, but they still live largely inside apps, browsers and operating systems controlled by others. A successful OpenAI device could give the company a direct consumer relationship that does not depend entirely on Apple, Google or Microsoft interfaces. That is strategically valuable. It is also threatening to Apple.
Apple’s iPhone remains the central device of modern computing. If AI moves users away from apps and screens toward voice-first or wearable assistants, Apple must protect its position. That does not mean Apple filed the lawsuit only for competitive reasons. Trade secrets are legitimate legal assets. But the commercial context matters. Apple is defending its confidential information at the same time it is defending the device ecosystem that made it one of the most valuable companies in the world. The case may also influence the broader hiring culture across AI.
AI companies have been recruiting aggressively from Apple, Google, Meta, Tesla, xAI and other technical giants. Compensation packages can reach extraordinary levels. In an industry moving at breakneck speed, executives may treat talent movement as the fastest way to acquire capability. Lawsuits like this remind the industry that talent does not own everything it knows.
For workers, the message is equally serious. Employees moving between technology companies must separate general expertise from confidential information. Keeping an old laptop, downloading internal files, discussing unreleased products or bringing components to interviews can turn a career move into a federal lawsuit.
For consumers, the legal fight may feel distant, but the outcome could shape what AI devices reach the market. If OpenAI’s hardware project is delayed, redesigned or legally constrained, Apple may gain time to strengthen its own AI-device strategy. If OpenAI defeats the claims, it may continue building with less legal uncertainty and present itself as a legitimate challenger in personal AI hardware.
The court process will not move at the pace of product hype. Trade-secret litigation can involve sealed filings, discovery fights, forensic analysis, expert testimony and disputes over what information can be publicly revealed without exposing the very secrets at issue. A judge may be asked to decide whether emergency relief is warranted if Apple argues that OpenAI’s upcoming devices risk using protected information. That means the most important facts may remain hidden for months.
For now, what is visible is the collapse of trust between two companies that recently stood on the same side of the AI transition. Apple and OpenAI once looked like partners dividing the future: Apple controlling the device, OpenAI powering the intelligence. Now Apple is accusing OpenAI of trying to build the device itself with Apple’s confidential knowledge. That is not a minor business dispute.
It is a warning about the next stage of the AI race. The first stage was about models. The second is about products. The third may be about control: who owns the interface, who owns the data, who owns the customer and who owns the secret knowledge required to put AI into people’s hands. Apple’s lawsuit says OpenAI tried to take a shortcut into that future. OpenAI says it did not.
The court will decide the legal question. The market will decide the strategic one. If OpenAI wants to build the next great AI gadget, it now has to prove not only that the product works, but that the path to building it was its own.
Reporting and sourcing transparency note: This article is based on current public reporting from Reuters, the Associated Press, Business Insider, MarketWatch and The Guardian, as well as prior public reporting on OpenAI’s acquisition of io Products and its hardware ambitions.