Apple's Forensics on a Returned MacBook Allege an Ex-Employee Ran an Apple Circuit Schematic Through LTspice at OpenAI

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In an amended filing on August 31, Apple says counsel for former employee Chang Liu handed over his old Apple work laptop, and forensic analysis showed a confidential Apple circuit schematic simulated in LTspice in March plus a tool sharing a name with an internal Apple engineering application. Apple further alleges Liu enlisted OpenAI colleague Yu-Ting Peng to destroy evidence in June after learning of the investigation, and that Liu's messages describe his AI agent learning to drive LTspice and review results. OpenAI denied the allegations at the hearing, arguing Apple has shown no actual stolen confidential information.