On April 9th, the School of Law in Tsinghua University held a symposium about solicit opinion draft of patent law amendment. Yang Hongju, who is the division chief of Department of Treaty and Law in SIPO, was invited as speaker and associate professor Cui Guobin hosted this symposium. It attracted elites in the area of law to attend, including associate professor Feng Shujie in Tsinghua University, excellent patent lawyer Liu Guowei, member of patent reexamination board Feng Xiaolan and the like. Service invention mechanism, license of course, standard patent and industrial design caused a heated discussion. Chief Yang indicated that the opinion from various industries are essentially precious for legislation and will be prudently considered.