Liu Yajun, female, born in Changchun, Jilin, 1969. 199 1 Graduated from Law School of Jilin University with a bachelor's degree in international law; 1994 graduated from Jilin university law school with a master's degree in international law; In 2002, he graduated from the Law School of Jilin University with a doctorate in criminal law. 1994 stayed as a teacher, 1996 hired a lecturer, an associate professor in September 2006, and a professor in September 2004. 200 1 began to serve as a postgraduate tutor of international economic law. He is currently the director of the Department of International Law Teaching and Research of Jilin University Law School, a senior member of the Intellectual Property Law Society and a member of the International Law Society. The main research directions are international economic law, intellectual property law and international intellectual property law.