Apple Takes OpenAI to Court Over Alleged Trade Secret Theft

Apple’s legal offensive against OpenAI has transformed one of Silicon Valley’s most significant partnerships into a high-stakes courtroom battle. The federal lawsuit, filed on July 10, alleges that OpenAI engaged in a coordinated effort to obtain Apple’s most valuable trade secrets through former employees and business relationships. The case arrives just weeks before OpenAI’s anticipated IPO, instantly making it one of the technology industry’s most closely watched legal disputes.

According to the federal complaint, Apple alleges OpenAI sought confidential information to accelerate its own consumer hardware ambitions. The company argues the alleged conduct involved proprietary engineering documents, unreleased product designs, manufacturing techniques, and confidential supply chain information that Apple says represents years of research, development, and billions of dollars in investment.

One of Apple’s central allegations focuses on former engineer Chang Liu. According to the lawsuit, Liu allegedly discovered an internal authentication vulnerability after joining OpenAI that provided access to Apple’s cloud-based engineering files. Apple claims he downloaded numerous confidential documents, including a technical document exceeding 1,000 pages, instead of reporting the security flaw through appropriate channels.

The lawsuit also names Tang Yew Tan, Apple’s former Vice President of Product Design responsible for major iPhone and Apple Watch programs. Apple alleges Tan encouraged Apple engineers interviewing at OpenAI to bring physical hardware components into interviews as «show and tell» demonstrations. The complaint further claims he advised departing employees through private messaging applications on how to transfer files while avoiding Apple’s internal security controls.

Beyond former employees, Apple alleges OpenAI improperly sought confidential manufacturing knowledge through one of Apple’s exclusive production partners. According to the complaint, OpenAI allegedly represented that Apple had authorized the supplier to share a proprietary multi-step metal-finishing process. Apple argues the technique was protected by strict confidentiality agreements and constituted one of its closely guarded manufacturing advantages.

Apple’s complaint names OpenAI, its nonprofit and commercial entities, its recently acquired hardware startup io Products, Tang Yew Tan, and Chang Liu as defendants. According to the lawsuit, the alleged conduct reflected an institutional strategy rather than isolated actions by individual employees. Apple contends the objective was to significantly shorten OpenAI’s hardware development timeline as competition in AI-powered consumer devices intensifies.

OpenAI has rejected Apple’s allegations and said it intends to vigorously defend itself in court. The company maintains that it respects intellectual property rights and is reviewing the complaint before filing its formal response. The lawsuit nevertheless lands at a critical moment as OpenAI continues expanding beyond software into consumer hardware following its acquisition of io Products.

The timing of the lawsuit has attracted particular attention because it comes only weeks before OpenAI’s expected public offering. Apple argues the alleged misuse of confidential information provided OpenAI with an unfair competitive advantage as it pursued new hardware products that could eventually compete directly with Apple’s own ecosystem of consumer devices.

The legal battle quickly spilled onto social media after one X user wrote, «Sam Altman wasn’t afraid of Elon but he is terrified of Apple. You can tell by all his posting today.» Altman responded directly, writing, «i am not afraid of apple, but i have tremendous respect for them. s-tier company.» His reply rapidly circulated across the technology community as discussion surrounding the lawsuit intensified.

Elon Musk also weighed in, posting, «After stealing an open source AI charity, you then stole all of Apple’s phone technology! Wow,» before adding, «He takes scamming to a whole new level.» Altman answered, «homeboy you’re the one sellling public market investors on short-term space datacenters.» Musk then replied, «We start flying them next year. Maybe you can come see them if your parole officer approves. After stealing an open source AI charity, you then stole all of Apple’s phone technology! Wow. What do you plan for an encore? That’s tough to beat.» Musk is not a party to Apple’s lawsuit, and his comments are separate from the legal claims.

As the litigation moves forward, the case is expected to become one of the defining intellectual property battles of the AI era. Apple is seeking damages and court orders preventing any further use or disclosure of the confidential information it alleges was improperly obtained, while OpenAI prepares its defense. The outcome could influence not only the companies involved but also how the technology industry protects trade secrets as competition to build the next generation of AI hardware accelerates.