Mr. WAN Xuesong
Patent Attorney


Mr. Wan received, from Sichuan University, his B.S. in Chemical Engineering in 2000, and M.S. in Biochemical Engineering in 2003. Mr. Wan worked as an examiner in the SIPO from 2003 to 2005, focusing on examination of patent applications in the fields of chemical engineering and biochemical engineering. He joined CPA in 2005 and qualified as a patent attorney in 2006. He received further training on European patent law and practice with a law firm in Germany in 2010. Mr. Wan is skillful in drafting patent application documents in the fields of technology covering chemical engineering, chemistry, and biology, and experienced in preparing responses to office actions in the substantive examination proceedings, in dealing with patent reexamination, invalidation and patent-related administrative litigation, and in making infringement analysis. Working languages: Chinese and English.