Alex Cai
Counsel Attorney at Law Patent Attorney

Cai Jian is a lawyer and patent attorney at Chang Tsi & Partners, who has over two decades of experience in intellectual property legal matters. During his career, Cai Jian has served as a patent examiner at the China National Intellectual Property Administration (CNIPA), and held the roles of patent consultant and patent manager for multiple leading technology companies including Huawei, Baidu, LeTV, and Ele.me. He also served as the Intellectual Property Director at Didi Global, overseeing IP strategy for the company on a global scale.

+86 88369999
Patent Prosecution / Design Patent
Beijing

Practice Focus

Practice Areas

  • Patent prosecution, patent invalidation, patent search & analysis, patent litigation, IP consulting and strategy services

Years with IP Matters 

  • 18 years

Professional Experiences

  • Vice manager of patent department, lawyer and patent attorney, Chang Tsi & Partners 
  • Lawyer and patent attorney, Beijing Yingke Law Firm 
  • Intellectual Property Director, Didi Global
  • Patent manager, Ele.me (Alibaba Group)

Representative Clients

  • Represented a series of patent infringement lawsuits and patent invalidation cases related to the sharing economy on behalf of a leading internet company in China 
  • Helped two Chinese technology companies to successfully defend and settled multiple patent infringement lawsuits in the United States 
  • Successfully defended a Chinese patent invalidation case and maintained the validity of the patent on behalf of a telecommunications company
  • Successfully opposed a European patent owned by a telecommunications company
  • Helped a Chinese telecommunications company Successful cross-license patents with an international telecommunications giant
  • Successfully retrieved a domain name in a cybersquatting case via the WIPO UDRP proceeding 
  • Provided IP due diligence report for a leading technology company’s IPO in the United States
  • Successfully represented a client in several software copyright licensing negotiation cases with multiple software companies, and helped client establish an internal compliance system for software usage
  • Successfully asserted IP rights against IP infringement and unfair competition on behalf of a technology company
  • Formulated global patent strategies and built global high-value patent portfolios consisting of thousands of patents for several well-known internet companies
  • Provided several patent search and risk evaluation reports in technologies such as artificial intelligence, autonomous driving, smart hardware, shared bicycles, ride-hailing, and logistics delivery

Education

  • Master's degree in Telecommunications Engineering, Beijing University of Posts and Telecommunications (2006)
  • Bachelor degree in Telecommunications Engineering, Zhengzhou University (2000)

Bar Admission

  • China Bar
  • China patent bar

Languages

  • Mandarin Chinese 
  • English