Ruixian (Sophia) Liu

Ms Liu is a patent agent who graduated from the Department of Physics at Tangshan Normal University and the Physics and Optoelectronic Engineering Department at Dalian University of Technology, obtaining bachelor's and master's degrees in science.

Since graduating in 2009, she has been working at Beijing Kangxin Intellectual Property Agency Co., Ltd., mainly responsible for patent-related work in semiconductor fabrication and the electrical and electronic engineering field. Ms Liu is skilled in translating and drafting patent application documents, responding to examination opinions, and handling patent re-examination, invalidation, and administrative litigation.

She has provided services to several large domestic and foreign enterprises, accumulating rich experience. Ms Liu's rigorous style has earned her clients' recognition and trust. In 2022, she passed the national legal professional qualification examination.