In order to protect the copyright on network, define the responsibilities of Internet service providers in accordance with Regulations on the Protection of the Right to Network Dissemination of Information, discuss mainly on copyright infringement cases over network, establish harmonious network order and further regulate the network dissemination market, the Copyright Union of Internet Society of China (ISCU) hosted the 'Copyright Disputes under Network Economy' seminar on May 23, 2007. Dr. Lulin Gao, as the Vice Chairman of Internet Society of China and the Chief Committee Member of ISCU, chaired this seminar.