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Zhengdong Xia

Beijing Office
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Patent Attorney since 2007

Technical Field:

Petroleum Processing, Polymers, Organic Chemistry, Chemical Engineering, and Fine Chemicals


Chinese and English

Education and Training:

Bachelor of Science in Polymer, University of Science and Technology of China, 1992

Trained in a European Patent Office, 2005

Worked and Trained in the IP law department of a Fortune 10 company, USA, 2010

Trained on European IP law in Vossius and Partner, Germany, 2017

Professional Experience:

Chemical Engineer, Research Institute of Yanshan Petrochemical Corporation, Sinopec, from 1992 to 2000

Patent examiner, State Intellectual Property Office of P.R.C, from 2000 to 2007

Patent Attorney, CCPIT Patent and Trademark Law Office since 2007

Practice Area:

Mr. Xia's practice focuses mainly on patent prosecution. He has successfully represented some major corporations, especially chemical companies, in patent prosecution. He has handled hundreds of patent filings and prosecuting cases covering various technical fields, particularly the fields of polymers and chemical engineering. Mr. Xia has also represented clients in many patent reexamination cases, patent infringement analysis and consulting. In addition, Mr. Xia has also drafted some patent applications for clients and filed these patent applications in China and many countries outside of China, such as the USA.

Professional Affiliation:

Member of All China Patent Agents Association