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Shiwen Ouyang

Senior Counsel, Patent Attorney

TEL: +86 (0)10 6228 5107

FAX: +86 (0)10 6228 5207


Professional Profile


During 16 years of his career as an examiner, Mr. Ouyang completed substantive examination on nearly 400 patent applications in biomedical and chemical fields, more than 20 utility model patent search/evaluation reports, and more than 60 reexamination cases in large chemical fields in which he was presiding Examiner and panel leader and tens of invalidation cases. He also attended in drafting more than 10 court judgments.

Mr. Ouyang was also in charge of the relevant training and teaching and research work of examiners, business research work, and full-time quality inspection of substantive examination of inventions, as well as a mentor for junior examiners. He has completed quality inspection on more than 1000 examination reports.

Mr. Ouyang also makes continuous study the examination standard, patent application document drafting and hot issues in IP field. He published more than 20 articles, and participated in the writing of several books, such as "Drafting and Responding Strategy for Patent Application Documents in the Field of Medicine and Biology" (published in 2017), "Overseas Patent Protection Practice - United States", " Case Review re Patentable Subject Matter" (Chapter 7), and "Utility Model Patent Evaluation Report Practice Manual". He also participated in the revision of Patent Examination Guidelines (2010 Edition) and research work of related projects for the third and fourth revision of the Patent Law and the Implementing Rules of the Patent Law.

Mr. Ouyang joined SBZL as a partner and patent attorney, focusing on prosecution of complicated cases, reexamination, and invalidation, as well as counseling enterprises on their patent portfolio and difficulties. He is also a mentor for junior patent attorneys.


PhD, Biology, Chinese Academy of Agricultural Sciences 2002

M.S. Phytopathology, Agricultural University Of Hunan

Bachelor, Plant Conservation, Agricultural University Of Hunan


Research Fellow, 2012 (formerly Level 2 examiner)

Past Employment Position

2002.08-2010.05Patent Examination Cooperation Beijing Center, Examiner at Chemistry Division;

2005.03-2007.03Patent Reexamination Board of SIPO, Examiner 

2010.05-2011.12Patent Examination Cooperation Beijing Center, Examination Research Room,Director

2012.01-2014.05Patent Examination Cooperation Beijing Center, Department of Medicine, Biology group,Director

2013.01-2014.05Beijing First Intermediate People's Court, Intellectual Property Courtroom,Juror

2014.05-2018.05Patent Examination Cooperation Henan Center, Department of Chemistry, Deputy Director