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Apple Sues OpenAI for Trade-Secret Theft: Ex-Employee’s “LOL” Leak and 400 Hires Rock Silicon Valley

Apple (AAPL) filed a federal lawsuit on July 10 accusing OpenAI of systematically stealing trade secrets to build rival consumer hardware. The complaint details a former engineer who accessed internal systems after leaving and messaged “LOL, I found I can access [network storage].”

OurAlpha

14 Jul 2026 — 4 min read

Apple and OpenAI go from partners to adversaries: a 41-page complaint alleges systematic trade-secret theft.

Apple (AAPL) filed a federal lawsuit on July 10 accusing OpenAI of systematically stealing its trade secrets to build consumer hardware that competes with the iPhone. The case, involving alleged organized leaks by former Apple executives and engineers, has ignited a Silicon Valley debate over talent mobility and intellectual property boundaries. As of the July 13, 2026 close, Apple shares were at $317.31, up 0.63% (+$1.99) from the prior close of $315.32. (The U.S. market was closed for Independence Day, so this is the previous session’s data.)

Core Allegation: In a 41-page complaint, Apple charges OpenAI with infiltrating “from technical staff to the chief hardware officer” to steal iPhone design secrets for a “screenless third core device” developed with Jony Ive.^[Buttondown]
Key Figures: Former Apple product design chief Tang Tan is accused of using Apple secret project codenames to recruit staff and coaching leavers to bypass security. Engineer Chang Liu allegedly downloaded confidential files and messaged: “LOL, I found I can access [network storage], too funny.”^[TechCrunch]
OpenAI’s Response: A company spokesperson issued a brief statement saying OpenAI has “no interest in other companies’ trade secrets” and is “focused on building innovative technology that empowers the world.”^{[Business Insider]}
Industry Context: Apple says more than 400 former employees now work at OpenAI, and the lawsuit hints this is just “the tip of the iceberg,” with discovery expected to reveal a much larger theft scheme.^[TechCrunch]
Legal Debate: AI governance experts note that in California—where the “inevitable disclosure” doctrine is widely rejected and non-compete clauses are unenforceable—Apple’s case must rely on specific behavioral evidence.^{[Business Insider]}

Apple (AAPL) filed a 41-page federal complaint on July 10 accusing OpenAI of systematically poaching employees and using “show-and-tell” interviews to steal trade secrets for its consumer hardware push. The lawsuit marks a complete breakdown between the two tech giants, which had partnered in 2024 to integrate ChatGPT into the iPhone. As of the July 13, 2026 close, Apple shares were at $317.31, up 0.63% (+$1.99) from the prior close of $315.32. The stock opened at $317.015, hit a high of $323.45 and a low of $315.78. (The U.S. market was closed for Independence Day, so this is the previous session’s data; no real-time trading occurred.)

Complaint Details: From “LOL” Message to “Rotten to the Core” Allegations

Apple’s complaint paints a startling picture: OpenAI not only poached talent but encouraged them to bring confidential files and hardware components. One of the most striking pieces of evidence involves former Apple senior systems electrical engineer Chang Liu, who exploited an authentication vulnerability to access Apple’s internal systems after leaving and messaged a colleague still at Apple: “LOL, I found I can access [network storage], too funny.”^[^TechCrunch^] The complaint says Liu also messaged within hours of leaving that “I have another computer,” suggesting he planned to use a second Apple machine to access confidential information.^[^TechCrunch^]

Apple accuses OpenAI of “normalizing and modeling” such behavior from leadership, and says its hardware business is “built on the shakiest foundation, rotten to the core from its illegal reliance on stolen trade secrets.”^[^TechCrunch^] The complaint also hints that the disclosed cases are just “the tip of the iceberg,” and that discovery will reveal a “much larger” theft scheme.^[^TechCrunch^]

Former Executive Role: Tang Tan and “Show-and-Tell” Interviews

The complaint focuses heavily on former Apple product design chief Tang Tan, a 24-year Apple veteran who oversaw iPhone and Apple Watch product design before becoming OpenAI’s hardware chief. Apple alleges Tan used Apple secret project codenames for recruiting, coached departing employees to bypass Apple’s security checks, and asked job candidates to bring “actual parts” of unreleased Apple products to interviews for “show-and-tell.”^[^Buttondown^] One candidate reportedly said they “didn’t even know we could take those out of the office.”^[^TechCrunch^]

Notably, Apple’s complaint does not name OpenAI CEO Sam Altman or Jony Ive, instead targeting specific former employees.^[^Buttondown^] Apple claims it raised concerns with OpenAI as early as February but received no response.^[^Buttondown^]

Industry and Legal Reaction: The Legal Red Line in the War for Talent

The lawsuit has sparked widespread discussion in Silicon Valley. AI governance expert Jean Gan, Group Legal Compliance & Risk Director at Savills Singapore, noted the difficulty of protecting trade secrets in California. “Look at how Apple is suing. California courts have largely rejected the inevitable disclosure doctrine, and the state won’t enforce non-compete clauses, so Apple can’t do anything about the 400 former employees now at OpenAI,” she wrote on LinkedIn. “So every allegation relies on specific conduct: retained devices, unauthorized access, misused files, coached circumvention. In a design environment where talent flows freely, that’s the only path.”^[^{Business Insider}^]

A Business Insider commentary noted that Apple itself has faced similar allegations. Medical device maker Masimo sued Apple in 2020, accusing it of exploring a partnership, then poaching multiple executives and engineers to use pulse oximetry knowledge for the Apple Watch’s blood oxygen sensor. In 2025, a federal jury found Apple infringed Masimo’s patents, awarding $634 million in damages.^[^{Business Insider}^] In an earlier case, battery maker A123 Systems accused Apple of systematically poaching its advanced battery team; that case settled before trial.^[^{Business Insider}^]

Public Clash: Musk and Altman Trade Barbs

After the lawsuit was unsealed, Tesla (TSLA) CEO Elon Musk and OpenAI CEO Sam Altman erupted in another public spat on X. Musk, an early OpenAI investor who later sued the company and its CEO for allegedly defrauding him by turning OpenAI into a for-profit entity,^[^CNBC^] traded insults with Altman, who responded that Musk was “obsessed” with him over OpenAI’s new model release.^[^CNBC^] The exchange underscores the intensifying competition and tangled personal relationships in the AI industry.