Intellectual Property/Patent Law
Suite A712, Golden Towers, No.2 Qinghua Donglu,
Haidian District, Beijing 100083, PR China
Tel: +86-10-8283 7725/7726
Fax: +86-10-8283 7727
Since joining the profession in 1985, Yiyan Cheng has
focused his practice in the areas of Patent Prosecution.
Ms. Cheng was the professor who specialized in hydraulic
and civil engineering before her IP career. She has
extensive experience on technical research.
Hydraulic Engineering, Environment, Biological Technique
Professional & Community Activities
All-China Patent Agents Association.
China Agriculture University, B.S. Agriculture Engineering