Liantao Li, Ph.D.
Department Manager
Tel: (86 10) 8220 2328
Fax: (852) 2827 1018

Working Team
Patent Team (Chemistry, Biotechnology & Pharmaceutics)

Patent Attorney (2002)

Education and Training
B.S. in Polymer Chemistry, Shandong University, 1986
M.S. in Physical Chemistry, Shandong University, 1989
Ph.D. in Pharmaceutical Chemistry, Peking University, 2001

Work Experience
Worked as lecturer in Peking University Health Science Center and engaged in research work in synthesis of new drugs
Studied in Regensburg University of Germany for two years as part of a joint Ph.D. programme from 1998 to 2000
Joined CPA as patent attorney in 2001
Worked as Manager of the Department of Chemistry and Biotechnology in CPA since 2008

Service Area
Patent Agency

Technical Backgroud
Chemical Engineering, Inorganic materials and Polymer materials, Pharmaceuticals and Pesticides, Cosmetics and Food

Practice Area
Patent Application Consultation, 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, Patent Validity Analysis

Personal Achievements
Liantao Li and Tina H. Tai, "Features of Swiss-type claims" published in Managing IP in 2009

Liantao Li, Julia Kracht, Shiqi Peng, Guenther Bernhardtb and Armin Buschauer. Synthesis and pharmacological activity of fluorescent histamine H1 receptor antagonists related to mepyramine. Bioorg. Med. Chem. Lett. 2003,13,1245–1248.

Liantao Li, Julia Kracht, Shiqi Peng, Guenther Bernhardt, Sigurd Elz, Armin Buschauer. Synthesis and pharmacological activity of fluorescent histamine H2 receptor antagonists related to potentidine. Bioorg. Med. Chem. Lett. 2003,19,1717–1720.

Liantao Li, Matthias Mayer, Erich Schneider, Elvira Schreiber, Guenther Bernhardt, Shiqi Peng, Armin Buschauer. Preparation of fluorescent nonpeptidic neuropeptide Y receptor ligands: analogues of the quinazoline-type anti-obesity Y5 antagonist CGP 71683A. Arch. Pharm. 2003, 336, 585–590.

Erich Schneider, Matthias Mayer, Ralf Ziemek, Liantao Li, Christoph Hutzler, Guenther Bernhardt, Armin Buschauer. A simple and powerful flow cytometric method for the simultaneous determination of multiple parameters at G protein-coupled receptor subtypes. Chembiochem. 2006,7(9),1400-1409.

Representative Cases
Dr. Li has drafted a lot of patent applications, handled a large number of office actions and dozens of invalidation cases, and has received praise from clients many times.

Representative IP Cases:
-Representing a European leading enterprise in the field of materials, successfully defended an invalidation challenge for a patent involving infringement by several imitation enterprises without making any amendments to the claims.

-Representing a U.S. pharmaceutical enterprise, successfully defended an invalidation challenge for a patent covering a drug launched in China.

a member of the Chinese Group of AIPPI and All-China Patent Agents Association


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