Phoebe Xi
Counsel Patent Attorney

Phoebe Xi is a patent attorney in the patent department. Phoebe has 3 years of work experience in research & development in a famous local energy company, and is good at cooperating with research staff when drafting patents. Phoebe provides consultation services on a wide range of patent issues, including patent application, patent drafting, and analysis for patent infringement. She is highly experienced and successful in handling notifications issued by CNIPA and fighting for our clients to obtain the broadest scope of protection.

+86 10 88369999
Patent Prosecution

Practice Focus

Technical Fields


Years with IP Matters

2015 until now 

Professional Experience

Patent Attorney, Chang Tsi & Partners, Beijing, China, 2014 - Present
Patent Attorney, Jeekai & Partners, 2011 - 2014
R&D engineer, Patent Principal, Xinao Group, 2008 – 2011


Master of Science in Physical Chemistry, Taiyuan University of Technology (2008)
Bachelor of Bioengineering, Inner Mongolia University of Technology (2005)

Representative Cases

  • In a case where the examiner intended to reject the application of her client, Xi was able to successfully prove to the examiner the unexpected treatment effect obtained by the compound in the application, and finally obtained the grant of the patent. In light of this excellent work, the client transferred their remaining applications to our law office.
  • In patent reexamination cases for an American chemical company, Xi successfully and repeatedly obtained approval by the Patent Reexamination Board.

Bar Admission

Chinese Patent Bar(2015)


Mandarin Chinese