# Chang Liu

Type: Person

Source: Legal & RegTech Intelligence Brief — https://getlegalbrief.com/entity/chang-liu
Canonical HTML page: https://getlegalbrief.com/entity/chang-liu

## Timeline

- **2026-08-03**: Apple files motion for preliminary injunction — Apple asks the U.S. District Court for the Northern District of California to block OpenAI and two former employees from using trade secrets in consumer hardware, and seeks expedited discovery.
- **2026-07-10**: Lawsuit Filed — Apple files a complaint in federal court against OpenAI, IO Products, Tang Tan, and Chang Liu for trade secret theft.
- **2026-07-10**: Apple files trade secret lawsuit — Apple sues OpenAI, io Products, Tang Tan, and Chang Liu in federal court, alleging orchestrated theft of trade secrets for hardware development.
- **2026-07-10**: Apple files trade secrets lawsuit — Apple sues OpenAI, Chang Liu, and Tang Yew Tan in federal court, alleging a coordinated scheme to misappropriate product design and manufacturing secrets.
- **2026-05**: OpenAI weighs legal action against Apple — Bloomberg reports OpenAI considering breach-of-contract notice over Apple’s alleged failure to promote ChatGPT integration.
- **2026-04**: Analyst predicts AI-agent smartphone — Ming-Chi Kuo suggests OpenAI’s first hardware product could be a smartphone relying on AI agents instead of apps, competing with iPhone.
- **2026-01**: Chang Liu Joins OpenAI — Former Apple engineer Chang Liu departs Apple and begins working at OpenAI.
- **2025-05**: OpenAI acquires io Products — OpenAI purchases Jony Ive’s hardware design startup io Products for $6.5 billion to bolster its device development capabilities.
- **2025**: OpenAI Acquires IO Products — OpenAI acquires Jony Ive's hardware startup, signaling ambitions in physical devices.
- **2024-06**: Apple integrates ChatGPT into products — Apple partners with OpenAI to integrate ChatGPT into its operating system and Apple Intelligence features.
- **2024**: Apple-OpenAI Partnership — Apple and OpenAI strike a deal to integrate AI services into Apple devices.

## Recent coverage (4 stories)

### Apple Seeks Injunction After 11 Ex-Workers Linked to OpenAI Trade Secrets Breach
2026-08-05 00:18:16 · Sentiment: Negative · Impact: 6/10 · Sources: 2

Apple’s motion for a preliminary injunction against OpenAI targets the alleged misuse of trade secrets in AI hardware. The filing reveals 11 additional former employees may have been involved, raising the stakes in one of tech’s most consequential IP battles.
Full story: https://getlegalbrief.com/story/apple-openai-trade-secrets-injunction-legal

### Apple Sends Preservation Letters to 40+ Ex-Employees at OpenAI in Trade-Secret Suit
2026-07-17 15:39:05 · Sentiment: Negative · Impact: 6/10 · Sources: 2

The legal battle between Apple and OpenAI intensifies as Apple sends legal hold notices to about 40 former employees, hinting at a wider conspiracy. The lawsuit, filed July 10, already names two high-profile defectors, but the letters suggest many more could be implicated.
Full story: https://getlegalbrief.com/story/apple-openai-legal-letters-40

### Apple Sues OpenAI: $852B AI Lab Accused of Trade Secret Theft in 41-Page Filing
2026-07-11 00:10:42 · Sentiment: Negative · Impact: 8/10 · Sources: 3

Apple’s lawsuit, filed July 10, 2026 in N.D. Cal., accuses OpenAI of a systematic campaign to misappropriate iPhone hardware trade secrets – allegations that could derail OpenAI’s IPO and first device launch. The complaint details recruiting misconduct and stolen documents, while also spotlighting the unraveling of the Apple‑OpenAI partnership.
Full story: https://getlegalbrief.com/story/apple-sues-openai-trade-secrets-852b

### Apple v. OpenAI: 2 Former Apple Engineers Sued in Trade Secrets Lawsuit
2026-07-10 23:19:48 · Sentiment: Negative · Impact: 7/10 · Sources: 2

Apple's lawsuit against OpenAI alleges two former Apple employees stole trade secrets, threatening a high-stakes AI partnership and testing the bounds of trade secret law.
Full story: https://getlegalbrief.com/story/apple-openai-trade-secret-lawsuit

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