Contact Us
Houcai Xu, Ph.D.
Tel: (86 10)82202352
Fax: (852) 2827 1018

Working Team
Patent Team (Chemistry, Biotechnology & Pharmaceutics)

Patent Attorney (2006)

Education and Training
B.S. in Polymeric Material Science and Engineering, Beijing Institute of Technology, 2000
Ph.D. in Material Science, Beijing Institute of Technology, 2005

Summer course for European patent law and practice at CEIPI, Université de Strasbourg, France, 2011

Work Experience
Joined China Patent Agent (HK) Ltd. as patent attorney in 2005

Service Area
Patent Agency

Technical Background
Chemical Engineering, Inorganic materials and Polymer materials, Cosmetics and Food

Practice Area
Patent Search, Patent Mining, Patent Map, Patent Portfolio Planning, Patent Application Strategy Formulation, 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 Administrative Reconsideration, Patent Reexamination, Patent Invalidation, Patent Administrative Litigation, Patent Infringement Litigation, Third Party Opinions/Public Opinions, Patent Validity Analysis, Patent Infringement Analysis, Free to Operation Analysis (FTO), Intellectual Property Strategy Consulting,

Representative Cases
(2017)Jing Xing Zhong No. 78
(2019)Zui Gao Fa Zhi Xing Zhong No. 216

Member of All-China Patent Attorneys Association


Chinese, English

China Patent Agent (H.K.) Ltd.


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Tel: (852) 2828 4688
Fax: (852) 2827 1018

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