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Admitted to Practice

  • New York, 2009
  • People's Republic of China, 2004


  • Chinese (Mandarin)
  • English

Xiangjun Si

Jay (Xiangjun) Si has more than 10 years’ experience in helping multinational companies invest and trade in China. He focuses on technology, media, and telecommunications (TMT); privacy; cybersecurity, and e-commerce.

Practice Highlights
Cloud Computing

  • Assist a world leader in cloud computing land its service in China, as the first foreign cloud computing service in China
  • Assist the above cloud computing service provider in its daily operational matters
  • Assist a global leader in the manufacturing industry in setting up cloud computing and internet-of-things platform in China
  • Negotiate with Chinese telecom companies and cloud computing companies on IT infrastructure and services

Internet of Vehicles
  • Advise a world leader of the tire industry on a connected tire project in China
  • Advise a world leader of online map and traffic navigation on partnership with a Chinese online map service provider as well as licensing of contents and technologies in China
  • Advise a world leader in automobile industry on OTA projects in China

Cybersecurity and Privacy
  • Advise clients in IT, health care, manufacturing, and other industries on privacy and cybersecurity laws in China and how they may affect clients’ respective industry, such as data collection and transfer, government procurement, encryption, etc.
  • Advise clients on their encryption or security products and their sales in China

  • Assist a world leader of e-commerce in issuing and selling prepaid cards in China
  • Assist several multinational companies establish online retail platforms in China
  • Advise the clients on consumer protection laws in China, including statutory warranties, customer return policies, advertisements, labeling, and packaging

Software and Other Technology Licensing
  • Assist a world leader in the nuclear power plant management industry in licensing their software to several Chinese nuclear power plants
  • Assist a world leader in car dealer management software in licensing software to car manufacturers in China and other Asia Pacific regions
  • Assist other clients in software and technology licensing contracts

Online Audio and Video Broadcasting
  • Advise clients on the Chinese regulatory environment for online audio and video broadcasting, as well as VoIP services, in China
  • Assist clients in investing and divesting in Chinese internet content services

Search Engines
  • Advise a world leader of search engines on the Chinese law related to its daily operation
  • Advise the above search engine regarding online advertisement law in China

IP Protection and Anti-trust Issues in the IT Industry
  • Advise clients on IP protection for their trademarks and copyrights in China
  • Advise clients on anti-monopoly laws in China, including pricing, anti-competition behaviors, and abuse of IP rights

Early Startup Investment in IT Industry
  • Assist clients in investing in technology startups in China

Representative Experience

Potential merger/series of equity transfers

Represented a Midwest-based auto components manufacturer in early stage of a China corporate transaction involving a series of equity transfers and a corporate merger/consolidation. (2010)

Additional Qualifications

  • Associate, Advokatfirman Vinge KB Shanghai Office, Shanghai, China, 2006-2008

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