Mr. Zhang's practice focuses mainly on patent prosecution. He has successfully represented some major corporations to handle hundreds patent filings and prosecuting cases covering various technical fields, particularly the fields of fluid machinery, mechanical engineering, industrial design, automotive engineering, printing machinery. Mr. Zhang has also represented clients in many patent reexamination cases, patent invalidation cases and patent litigation cases. In addition, Mr. Zhang has also drafted many patent applications for clients and filed these patent applications in China and many countries outside of China, such as the USA and Europe.
All-China Patent Agents Association