On November 26, 2017, the Seminar on “International Law Issues Relating to the Implementation of the Spirit of the Nineteenth Party Congress and Creating of a New Situation of Comprehensive Opening up in China”was held in the conference room of CASS Institute of International Law in Beijing. The seminar was organized by the International Economic Law Department of CASS Institute of International Law and attended by over 20 experts and scholars from various research institutions, universities, and corporations in China, including CASS, Tsinghua University, Renmin University of China, China University of Political Science and Law, University of International Business and Economics, East China University of Political Science and Law, Southwest University of Political Science and Law, Xi’an Jiaotong University, Shanghai Institute of Foreign Trade, South China University of Technology, and China Export and Credit Insurance Corporation. The seminar was divided into five units. In the first unit, the opening ceremony, Professor Liu Jingdong, Head of the International Economic Law Department of CASS Institute of International Law, gave a speech in which he thanked the experts and scholars for attending the seminar and pointed out that Party Secretary General Xi Jinping’s report to the Nineteenth Party Congress had raised many important issues of international economic law and that Chinese international economic law scholars have the obligation to study and implement the spirit of the Nineteenth Party Congress. In the second unit of the seminar, “keynote reports”, Ms. Zhang Yuejiao, former chairwoman of WTO Appellate Body, gave a report on the historical development of the investment law system in China, China’s participation in the negotiation of rules on investment protection, and the institutional challenges faced by ICSID; Professor Liu Jingdong pointed out in his keynote report that China should carry out systematic research on the jurisdiction over investment arbitration cases and further adjust the relationship between the domestic review system and the New York Convention; and in his report, Professor Song Lianbin gave an introduction to the development of Chinese and international arbitration rules and pointed out that China should further adopt rules on such matters as interim arbitration, investment arbitration, immunities of arbitrators, procedural management power, and the power to issue interim measures. In the third unit of the seminar, the participants gave keynote speeches and carried out discussions on such issues as new developments of ISDS and China’s response, China and international investment treaty system, the relationship between international investment arbitration and domestic administration of justice; and the domestic diffusion of the rules on national treatment. The fourth unit of the seminar was the roundtable of young international law scholars, in which the participants discussed various issues around the theme of “remodeling international investment dispute resolution mechanism”. In the fifth unit of the seminar, the closing ceremony, Dr. Sun Nanxiang, an assistant research fellow of the International Economic Law Department of CASS Institute of International Law, pointed out that a just, reasonable, and efficient international investment dispute resolution mechanism is an important means of protecting the lawful rights and interests of foreign investors as well as an effective legal safeguard for the creation of a new pattern of comprehensive opening up in China. Currently, the international investment dispute resolution mechanism is undergoing a process of reform, adjustment and development and Chinese scholars and experts should continue to carry out in-depth research in this field.