Ms. Chen Yuejun is committed to patent agency and legal services in the fields of biology and related fields, including biochemistry, microbiology, molecular biology, bioinformatics, medicine, chemical engineering, etc. She has extensive research on various patentable topics such as proteins, nucleic acids, microorganisms, gene cloning, animal and plant models, and bioengineering, as well as the writing characteristics of patent application documents, especially claims, the scope of patent protection, and infringement determination. She has rich work experience. Among the patent invalidation requests or litigation cases represented by Ms. Chen, several were selected as one of the top ten cases of the year by the State Intellectual Property Office, such as the invalidation requests for glucose amylase series patents, the invalidation requests for Compaq Xipu patents, and the invalidation requests for Shenhua Shenning furnace patents.