Dr. Ding did research work at Duke University Medical Center as a senior  researcher for one and half years, and at Louisiana State University Health Medical Sciences Center as a post-doctor for about a year in USA. Ms. Ding also did research work in General Hospital of PLA， Institute of Radiation Medicine, the Academy of Military Medical Sciences for five years and one year, respectively. Ms. Ding received her Ph.D. in immunology from Academy of Military Medical Sciences, her M.S. in development biology and her B.S. in biology from Shandong University and Shan Dong Normal University, respectively. She joined Jeekai & Partners in 2007. She focuses her practice on patent search and analysis, patent preparation and prosecution, patent invalidation, and enforcement matters in the field of biotechnology and pharmaceuticals. She can conduct business in Chinese and English.