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OpenAI says Apple has only itself to blame in trade-secret fight

Apple says a forensic review found Chang Liu downloaded dozens of confidential files and used a circuit schematic in OpenAI work.

  • On Monday, Apple filed a court brief accusing the ChatGPT-maker of destroying crucial evidence, claiming former engineer Chang Liu downloaded a confidential circuit schematic and used it in his work.
  • More than 400 former Apple employees joined OpenAI, escalating tensions between the companies two years after they forged a partnership to boost ChatGPT's reach and help Apple advance in AI.
  • OpenAI denied the allegations Monday, contending Apple encourages employees to mix personal and work files, making separation difficult. CEO Sam Altman's AI lab argued the lawsuit aims to discourage departures.
  • Liu claimed his post-departure file access was purely to assist former Apple colleagues, while Tang Tan, who spent 24 years at Apple, said he returned all prototypes and retained only non-confidential materials.
  • OpenAI has pushed to have the case dismissed, asserting Apple cannot use its own internal policies to blame others, as the dispute continues in District Court in California.
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Apple accuses ChatGPT developer OpenAI of using the iPhone Group's business secrets. According to an application filed on Monday to a US federal court, a former Apple engineer is said to have accessed a circuit diagram for a power converter in his current activity for OpenAI.

·Vienna, Austria
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MacRumors broke the news in Glen Allen, United States on Monday, August 31, 2026.
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