As a close partner with Tencent Company in intellectual property services, China Pat attended the third annual meeting of the Tencent’s cooperative agencies. During the meeting, Tencent Company specially invited  Yingling ZHANG and  Kelly YAO to share the experience in agency of domestic and foreign patents with the attendees. We reviewed the growth course and the achievements in bilateral cooperation between Tencent and China Pat in 6 years, summarized experience in drafting the domestic and foreign patents and responding to the OAs and introduced how to comprehensively improve the quality as patent agencies. Our share took credit among Tencent and the attendees.