Research on intellectual property rights protection of software Research on intellectual property right alteration models Research on intellectual property protection in cyberspace Research on intellectual property in international trade Legal issue of intellectual property right protection of genetic resources 并列题名:Research on intellectual property protection in cyberspace Modern biotechnology intellectual property right protection studies 并列题名:Research on intellectual property in international trade Research on intellectual property transaction mechanisms of China Study on the impact of intellectual property rights protection on China's foreign trade