Contact Us
Weisheng Liu
Tel: (86 10)8220 2309
Fax: (852) 2827 1018

Working Team
Patent Team (Chemistry, Biotechnology & Pharmaceutics)

Patent Attorney (2002)

Education and Training
Bachelor's degree in organic chemistry, Department of Chemistry, Nankai University, 1995
Master's degree in organic chemistry, Department of Chemistry, Nankai University, 1998

Work Experience
Worked in drug research and development in a pharmaceutical company from 1998 to 2000
Joined China Patent Agent (H.K.) LTD. as patent attorney in 2000

Service Area
Patent Agency

Technical Background
Clean Energy & Advanced Materials, Chemical Engineering, Inorganic materials and Polymer materials, Pharmaceuticals and Pesticides, Cosmetics and Food

Practice Area
Drafting Patent Application Documents, Preparing and Filing Patent Application (Including Domestic Patent Applications, PCT Applications and Foreign Patent Applications), Reporting and Responding to Office Action , Patent Reexamination, Patent Invalidation, Patent Administrative Litigation, Third Party Opinions/Public Opinions, Patent Validity Analysis, Patent Infringement Analysis

Representative Cases
From 2016 to 2021, on behalf of a large German company, for the patent of its automobile instrument display panel, I won two continuous invalidation lawsuits and the first and second trials of relevant courts, and the customer was satisfied with the result.

Member of All-China Patent Attorneys Association


Chinese, English, Japanese, German, French

China Patent Agent (H.K.) Ltd.


22/F, Great Eagle Centre, 23 Harbour Road, Wanchai, Hong Kong
Tel: (852) 2828 4688
Fax: (852) 2827 1018

Copyright © China Patent Agent (H.K.) Ltd.

Legal Disclaimer