Apple Sues OpenAI Over Alleged Hardware Trade Secret Theft

Apple has filed a lawsuit in the Northern District of California accusing OpenAI of a systematic campaign to misappropriate trade secrets, alleging that former Apple engineers stole confidential hardware specifications to accelerate OpenAI’s consumer device development [1, 2]. The litigation, which targets both OpenAI and former Apple employees Tang Tan and Chang Liu, centers on claims that OpenAI’s nascent hardware business is built upon stolen intellectual property [1].

Evidence of Data Misappropriation

Apple’s legal filings allege that Chang Liu, who joined OpenAI in January, accessed and downloaded dozens of confidential hardware files after his departure from Apple [1]. In a recent court brief, Apple claimed it uncovered evidence that Liu used an Apple-issued MacBook to download a proprietary circuit schematic, which he then uploaded to a simulation program called LTspice [3]. Apple further alleges that Liu deployed an AI agent to run simulations on this data, arguing that such "learning" creates an irreversible propagation of trade secrets [3].

The company also accuses Tang Tan, OpenAI’s chief hardware officer, of methodically soliciting confidential information from Apple employees during recruitment interviews [1]. According to the suit, OpenAI instructed prospective hires to bring "CAD/design artifacts" and "prototypes" to interviews [1]. Apple claims these actions are part of a broader effort to replicate supply chain innovations that took decades to develop [1]. OpenAI has denied these allegations, characterizing the lawsuit as a "baseless" attempt by Apple to mask its own failures in the AI market and its inability to retain talent [2, 3].

Competitive Implications

The dispute arrives as OpenAI prepares to launch its first hardware product, currently expected to arrive next year [1]. Apple is seeking an injunction to prevent the use of its proprietary processes, which it claims OpenAI has even pressured shared supply chain partners to perform [1]. While OpenAI has moved to dismiss the case, arguing that Apple’s own access controls are to blame for the data exposure, the court has begun reviewing forensic evidence from devices surrendered by the defendants [2, 3].

Investors have largely remained neutral toward the litigation; Apple’s stock (AAPL) closed at $316.85 on Monday, maintaining a 16.38% gain for the year despite the ongoing legal friction [2]. The outcome of the case remains uncertain, as the court weighs whether the departures represent standard industry mobility or a coordinated effort to undermine Apple’s hardware competitive advantage [2, 3].

What to watch

• Forensic Discovery: The court’s review of additional hardware, including a Mac Mini allegedly used by Liu to power simulations, which could reveal the full extent of the data transfer [3].
• Hardware Roadmap: Whether the court grants Apple’s request for an injunction, which could delay the release of OpenAI’s first hardware device currently slated for next year [1, 2].
• Motion to Dismiss: A ruling on OpenAI’s August 6 motion to toss the suit, which would determine if the case proceeds to full discovery regarding the company’s internal hardware development processes [2].

The core of the conflict rests on whether OpenAI’s hardware ambitions are truly innovative or if they rely on a foundation of misappropriated technical specifications. With the product launch approaching, the legal battle will likely determine if OpenAI can proceed with its current hardware strategy or if it will be forced to pivot due to the loss of its alleged competitive edge.