He has obtained excellent results in the National Patent Agent Qualification Examination and has participated in handling more than 1,000 intellectual property cases such as patent, trademark, copyright applications, invalidation reexamination, objection, and infringement litigation, has rich practical experience. He has represented a Chinese automobile group and a foreign automobile giant in a number of complex invalidation and litigation cases, such as patent invalidation cases, all of which have obtained satisfactory results for the client.

Many books were written by Mr. Yang Li have been recommended as textbooks for the National Patent Attorney Qualification Examination.

Mr. Yang Li is also a guest lecturer of the National Intellectual Property Administration (C.N.I.P.A.) and China Intellectual Property Training Center, he has been invited to serve as an intellectual property agent in Beijing, Shanghai, Tianjin, Chongqing, Shenzhen, as well as Hubei, Jiangsu, Sichuan, Anhui, Jiangxi and other provinces and cities. The training lecturers of the bureau are invited to teach in many provinces and cities every year. Up to now, professional courses on intellectual property have been taught to thousands of students. At present, he is also invited to serve as special intellectual property consultant for the Digital TV Industrial Park of Zhongguancun Science and Technology Park, as well as some large enterprises.

The evaluation results of the 19 China Patent Awards were announced. At present, 20 China Patent Gold Awards, 5 China Design Gold Awards, 804 China Patent Excellence Awards, and 68 China Design Excellence Awards were selected. The patent represented by Mr. Yang Li from KEYCOM won the 19th China Patent Gold Award.

Invited by the Chinese Brand Innovation and Development Project, in the center of Times Square in New York, on the 36.6-meter-high screen at the 'Crossroads of the World', like Baidu, JD.com, and Tencent, standing on the world stage and showing the world Convey and the service concept of KEYCOM, as a Chinese intellectual property agency that has landed on the Nasdaq screen in Times Square, New York, USA, which is known as the 'Window of the World', has made a great New Year's Eve with the world. The corporate brand image was broadcast on the Nasdaq big screen, 18 times a day, for 4 consecutive days; at the same time, dozens of domestic media reported this news.