Professor of Sun Yat-sen University of Medical Sciences, deputy section chief and section chief of the Achievements Division of the Scientific Research Division, section chief and deputy director of the Scientific Research Division, director of the Science and Technology Development Department, deputy general manager of the industrial group, director of the Intellectual Property Training Center and director of the Intellectual Property Teaching and Research Section; During this period, he served as a part-time lawyer of Guangzhou Foreign Economic Law Firm. He was re-elected for three times as deputy director of all china lawyers association Intellectual Property Committee, director of Guangdong Lawyers Association Intellectual Property Committee and director of Guangzhou Lawyers Association Intellectual Property Committee. President of Sanhuan Intellectual Property (Group), chairman of Guangzhou Sanhuan Patent Agency Co., Ltd., chief partner and lawyer of Guangdong Sanhuan Hua Hui Law Firm.

Social part-time job

Vice President of China University Intellectual Property Research Association, independent director of Guangzhou Baiyunshan Pharmaceutical Co., Ltd., arbitrator of Guangzhou Arbitration Commission, executive director of Guangdong Intellectual Property Research Association, perennial legal counsel of dozens of well-known enterprises such as Shenzhen Huawei, Tencent, Kelon, BBK, Guangdong Microsoft, Guangzhou Pharmaceutical Group, professor of Intellectual Property College of Sun Yat-sen University, professor of Intellectual Property College of Zhejiang South University, visiting professor of Renmin University Law School, distinguished professor of Chongqing University of Posts and Telecommunications, and national intellectual property lawyer of Taipei Political University (now)