Empirical research on intellectual property protection by criminal procedure Empirical study on intellectual property protection of cultural recreation industry Research on intellectual property protection in cyberspace 并列题名:Research on intellectual property protection in cyberspace 并列题名:Empirical study on intellectual property protection of cultural recreation industry Sui generis intellectual property protection for folklore Research on intellectual property in international trade 并列题名:Research on intellectual property in international trade Research on intellectual property transaction mechanisms of China Selected cases of intellectual property protection in medical institutions