Qualityof patent agency service is the lifeline of the development of the agencyindustry. Improving quality of agency service is crucial for promoting patentquality. A high-quality patent application document can greatly save time of patentexamination， directly affect the authorization of patent， and fully protect theproduct or process claimed by the applicant. To write a high-qualityapplication document， it is necessary to comprehensively consider the possibleproblems in examination， invalidation and even litigation stage on the basis offully understanding the prior art and the technical solution of the presentinvention in the writing process. Consequently， improving the quality of patentwriting is the basis of subsequent protection for patent.?

To this end， China Intellectual Property Training Centerheld the third training course on patent writing skills improvement in Chengdufrom September 18 to 20， 2019. Experts from China National IntellectualProperty Administration and famous patent agencies were invited to deliverlectures on “How to produce high-quality patents” in terms of writing，examination， invalidation， etc. The course has attracted nearly a hundred of people，including leaders of science and technology enterprises and institutions，managers of intellectual property departments and R&D departments， managersof intellectual property innovation projects， professionals of patent agencies，and staffs engaging in intellectual property teaching and research in colleges，universities and research institutes.

JiquanSun， Partner of China Science Patent & Trademark Agent and Manager ofMechanical Practice Group， was invited to lecture on the training course. Withthe title of “Writing Skills of PCT International Patent Application”， Mr. Sun providedinsights and professional suggestions from the perspectives of relevant lawsand regulations of different countries， PCT procedures， PCT patent applicationstrategies and PCT application preparation.

Mr. Sun， elected as one of the experts in Expert Consultant Committee ofIP case research (Beijing) base of the Supreme People’s Court in 2016， provideslegal services regarding patent search， opinions on patentability，re-examination and invalidation， infringement analysis and other mattersrelated to intellectual property. With rich experience of teaching and training，he often provides training for clients， patent agents and examiners onintellectual property and has been invited to the Intellectual PropertyTraining Center for lectures many times.