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Zheyong CUI

Managing Partner,Lawyer
Areas of expertise:Intellectual property

Work Experience

Zheyong CUI is the managing partner of Beijing Zhilin Law Firm. Before joining Zhilin, Zheyong CUI worked in Patent Reexamination Board of CNIPA as Deputy Director of the Department of Medicine & Biology and Electrical Department, as well as Director of the Research Department. Also, CUI held a temporary position in Beijing No.1 Intermediate People’s court for a year. Besides, CUI used to be guidance expert for the examination work of CNIPA and its Patent Reexamination Board.

With 20 years of work experience, Cui has dealt with thousands of cases of patent invalidation and litigation. As in Patent Reexamination Board, CUI conducted the examination and reexamination of patent reexamination and invalidation cases, legal revision related to invalidation declaration, work guidance, quality management, academic research, etc., accumulating considerable practical experience in patent examination and trial. CUI used to be the main author and final editor of the third and fourth amendments to Patent Law, and the amendment to Guidelines for Examination. Also, Mr. Cui was the author of the main chapters and the final editor of the whole book Interpret Law through Cases- Guidelines for Typical Reexamination Cases of Invalid Patent of the Patent Reexamination Board. Cui has participated in more than 30 research projects and given lessons in teaching and research group on a long-term basis.

With considerable practical experience, Cui focuses on the legal standards of patent examination and trial, and specializes in providing accurate and effective legal opinions and litigation strategies. CUI is significantly skillful in patent mining and layout, patent reexamination and invalidation, patent administrative litigation, patent infringement litigation and so on.

Professional Qualification

Legal professional qualification, patent agency professional qualification


Interpret Law through Cases- Guidelines for Typical Reexamination Cases of Invalid Patent, 2018

Educational Background

China University of Political Science and Law, Juris Master

Beihang University, Bachelor of Engineering

Working Language

Chinese, English