20 13 wrote "the applicable knowledge reader of court proceedings announcement" (published by people's court press), which was approved by the jurist Committee of Beijing Legal Person Information Consulting Center and was the training material of Beijing Legal Talent Training Center of China Senior Lawyers Association.
Famous cases
In 2004, he sued the Law Press for trademark infringement dispute (2004)No.1012.
2006 v. China University of Political Science and Law Press (2006)- Civil Mediation No.2497.