Contact Us
Weisheng Liu
Tel: (86 10)8220 2309
Fax: (852) 2827 1018
Email: lweisheng@cpahkltd.com

Working Team
Patent Team (Chemistry, Biotechnology & Pharmaceutics)


Qualification
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.



Memberships
Member of All-China Patent Attorneys Association


Location
Beijing


Languages
Chinese, English, Japanese, German, French


China Patent Agent (H.K.) Ltd.

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Headquarters
22/F, Great Eagle Centre, 23 Harbour Road, Wanchai, Hong Kong
Tel: (852) 2828 4688
Fax: (852) 2827 1018
Email: patent@cpahkltd.com
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