OpenAI alleges ex-employee took 100+ files to Apple in trade secrets case

In plain words

OpenAI has told a US court that a former employee copied more than 100 files about an unreleased product and later showed the plans to senior people at Apple. Apple says it has found no evidence for this. None of it has been proven, and no counterclaim has been filed yet. The case matters because it shows how disputes over staff moving between AI and hardware firms are now being fought in court. Ordinary readers do not need to do anything; the practical lesson is for companies and staff who handle confidential work.

What happened

The Guardian reports that a new filing in US federal court in San Jose, California, alleges an OpenAI employee who left for Apple sent more than 100 files about an unreleased product to a personal account and later made a presentation about it to senior Apple leadership ¹. The Guardian says the filing was made on Tuesday, while The Register says it was submitted on Wednesday ¹².

The Register adds detail on what the filing says. It describes the files as including detailed images of at least one unreleased OpenAI device, engineering and manufacturing data, supplier information and project files, plus specifications for cosmetic finishes and reports on coating and sealing hardware components ². According to the filing, some transfers happened just after midnight in Singapore on June 2, which OpenAI says was the employee's last day ². The presentation allegedly went to Apple's senior leadership, including its vice president of operations in Asia ².

OpenAI points to Apple's release of a product called HomeView this week as a reason for concern, according to the Guardian ¹. The Register refers to Apple's newly announced smart home products ². OpenAI told the court it is very concerned that its confidential information is circulating inside Apple, where engineers could shape upcoming products based on it ¹².

This is a response to a suit Apple began earlier. The Register says Apple sued OpenAI and former employees Chang Liu and Tang Yew Tan in July ². Apple alleges its employees took confidential information to OpenAI's hardware division, and OpenAI denies it ¹. The Guardian reports that the two sides were due to appear in court on Wednesday but the new allegation delayed the hearing ¹. It also reports that Judge Edward Davila granted part of Apple's request for early access to digital files from OpenAI, allowing data to be gathered from some former Apple employees' devices and three of them to be deposed on a sped-up schedule ¹. The trial is likely in October 2027, though OpenAI has said it could be ready by June 2027 ¹.

What is confirmed and what is not

Confirmed by the sources: OpenAI made these allegations in a court filing. Apple sued OpenAI and two former employees. The judge granted part of Apple's request for early discovery. The hearing was delayed ¹². Apple denies the new claims ¹².

Only claimed: that more than 100 files were sent to a personal account, that they were presented to Apple leaders, and that Apple engineers may be using the material. These are OpenAI's allegations. The Register notes OpenAI has yet to establish that Apple received or used any of the material ².

Unknown or inconsistent: the employee is not named in either report. The Guardian describes the person as someone who left OpenAI for Apple, while The Register says the employee joined from Apple and returned to the iPhone maker six months later ¹². The filing date differs between the outlets. No counterclaim exists yet, and OpenAI has only asked for time to investigate ². Whether the HomeView product or any Apple product draws on OpenAI material is not shown.

Analysis

Law and policy

The immediate mechanism is procedural. OpenAI has said it may file a countersuit, and it has asked for time to investigate ¹². If a counterclaim follows, the court would have two linked trade secret disputes with mirrored accusations. That could complicate scheduling, since discovery in one case may overlap with the other. The judge has already allowed expedited access to some of OpenAI's files and quick depositions ¹. If OpenAI's claim is added, Apple could face similar requests. This is plausible but not certain, because no counterclaim has been filed.

The filing also works as a tactic. A late allegation that delays a hearing can shift attention and bargaining leverage. That is an observation about how litigation commonly works, not a finding about OpenAI's motives, and the sources say nothing of intent. The strongest reason this reading could be wrong is that the allegations may simply be genuine and discovered late. Evidence that would change our view is the content of any forensic findings about the files.

Technology and industry

Both companies are building AI-linked hardware, and the sources frame the dispute as a contest over who took whose files ². If the allegations are substantiated, the practical effect would be tighter controls on departing staff, such as stricter monitoring of file transfers in a person's final days. Companies already do this, so the change would be a matter of degree. If they are not substantiated, the episode still shows that a rival's product launch can prompt a legal claim within days, as the reference to HomeView suggests ¹.

There is a second mechanism through hiring. Apple says it has policies to ensure new employees do not use confidential information from previous employers ¹. Courts often look at whether such policies were applied in practice. If evidence emerges that a presentation took place, the question would shift from whether rules existed to whether they worked. At present we have low confidence on this, because the sources contain only the allegation and the denial.

Security

The alleged conduct is an insider data transfer: files copied to a personal account shortly before departure ². The general lesson is well established. People leaving a job are a recurring route for sensitive data to leave an organisation, and timing around the final day is a common warning sign. The sources do not say how OpenAI detected the transfer, so no conclusion about its tooling is possible. If the filing is accurate, it implies that OpenAI could reconstruct timing down to a moment just after midnight in Singapore on a specific date ², which suggests it keeps detailed logs. That inference is mine, and the filing's detail may come from another source.

Financial markets

Nothing in the sources states a market effect, and we will not predict one. Both companies are large and the claims are unproven. A reader should treat the dispute as an unresolved legal matter with a trial not expected before mid or late 2027 ¹.

Daily life

For ordinary users, nothing changes now. Any product impact would depend on a ruling, which is far off. The more relevant point is that products announced this week are already tied to a legal accusation, so details of upcoming devices may emerge through court papers as well as launches. That is speculative and depends on what is made public.

What would change this assessment

The key uncertainty is evidence. A filed counterclaim with specific proof of use would make the case more serious. A court finding that the allegations lack support, or a retraction, would reduce it. Until then the claim rests on one party's account against the other's denial.

What can be done

Readers need take no action. Companies handling confidential product work can review how they log and restrict file transfers around staff departures, and how they document onboarding checks for new hires. Staff moving between competitors can keep records showing they left confidential material behind. For the parties, the visible next steps are OpenAI's investigation and a possible counterclaim, and the discovery already ordered in Apple's case ¹². No independent verification of the allegations is available from the sources.

Questions readers ask

What is OpenAI accusing Apple of?

OpenAI alleges a former employee sent more than 100 files about an unreleased product to a personal account and later presented the plans to senior Apple leadership ¹. OpenAI says it fears the information is circulating inside Apple. It has not shown that Apple used the material ².

Has Apple responded?

Yes. Apple says it has policies to stop new employees using confidential information from earlier employers and that it has found no evidence supporting the allegations ¹².

Has OpenAI sued Apple?

Not yet. OpenAI has asked the court for time to investigate and may bring counterclaims, but none had been filed at the time of The Register's report ².

When will the case be decided?

The Guardian reports that the case is likely to go to trial in October 2027, although OpenAI has said it could be ready for trial as soon as June 2027 ¹.