Study on the intellectual property protection function of local government 并列题名:Study on the intellectual property protection function of local government Sui generis intellectual property protection for folklore Study on the intellectual property system of Pakistan 并列题名:Sui generis intellectual property protection for folklore Intellectual property protection on the internet Research on intellectual property protection in cyberspace Study on the impact of intellectual property rights protection on China's foreign trade study on the intermediate organization of society and innovation of social governance Empirical study on intellectual property protection of cultural recreation industry