Mr. Zhaohui Guan

Patent Attorney

Practice Areas

Patent Prosecution & Re-examination
Patent Invalidation & Litigation

Technical Fields

Electronics & Computer

Professional Experience

Mr. Guan has over twenty years patent experience in the fields of electronics, semiconductors, computer software and network technologies, etc. He started his private patent practice in 1986, drafted a great deal of patent applications in the field of electric, computer software-related and mechanics. He is knowledgeable of the Chinese Patent Laws and Regulations and has a tremendous rich experience in Chinese patent practice. He also handled some of patent litigations, including invalidation and infringement, before the Patent Re-examination Board and court.

Prior to joining China Sinda, he worked as a patent attorney in the IP in-house Department of China National Nuclear Corporation for over ten years, practiced as a patent attorney and also as a consultant for few native enterprises in the Law Offices of Jiahe, mainly being responsible for routine works of its IP department, including PCT and Paris Convention patent applications, patent reexamination and litigation, Madrid International Registration, copyright registration, customs record, etc.


Master Degree in IP, Hua Zhong Science and Technology University, 2003
B.S. Computer Engineering, BeiHang University, 1994

Professional Activities

Member of All-China Patent Agent Association (ACPAA)
Appraiser of Beijing Zitu Intellectual Property Judicial Appraisal Center

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