Mr. Zheng joined Bairui in 2014. He is highly skillful at patent cases in various fields such as chemical engineering, high polymer, and material processing. In addition to drafting patent applications, replying to office actions and patent reexamination, he is proficient in patent searching and patent strategy planning. So far, he has assisted in handling hundreds of patent cases and served dozens of well-known chemical enterprises. For work, he is responsible and pragmatic, which his clients speak highly of.