Mao Hongfen, Deputy Director of Intellectual Property at HEC, has been engaged in intellectual property work in the pharmaceutical field for 12 years and has obtained the qualification of patent agent. He is skilled in patent retrieval and analysis, patent layout, and patent mining; Having practical experience in patent application and examination in major countries/regions such as China, the United States, and Europe; Participated in multiple patent invalidation and litigation cases between China and the United States, formulated invalidation and litigation strategies, and achieved positive progress or favorable results; I have rich experience in managing the entire process of enterprise intellectual property.