Liu Feng: Male, born in 1968, master's degree, lawyer, senior economist. Currently, he is a senior partner of Beijing Dacheng (Shanghai) Law Firm. Legal adviser to the People's Government of Fengxian District, Shanghai, high-tech and project financing adviser to the Shanghai Science and Technology Commission, expert review member of the Shanghai Patent Office, director of the Intellectual Property Research Committee of the Shanghai Law Society, director of the Intellectual Property Business Committee of the Shanghai Lawyers Association, Shanghai Economic and Trade Mediator of the Commercial Mediation Center, director of the Intellectual Property Association of the China (Shanghai) Pilot Free Trade Zone, distinguished expert of the China Folk Art Legal Service Center, member of the legal advisory committee of the Shanghai Science and Technology Association, and "consumer rights legal expert" of the Shanghai Consumer Protection Committee Member of the "Service Group", specially invited mediator of Shanghai Pudong New Area Professional People's Mediation Center, etc. He once served as deputy general manager of Shanghai Lei Yunshang Pharmaceutical Co., Ltd. and senior partner of Shanghai Shenda Law Firm.