Study on the green intellectual property rights strategy of new energy automobile in China 并列题名：Study on the green intellectual property rights strategy of new energy automobile in China Study on the history of intellectual property rights thought in China Study on the impact of intellectual property rights protection on China's foreign trade Study on the impact of intellectual property rights protection on Chinese enterprises' innovation and performance 并列题名：Study on the impact of intellectual property rights protection on Chinese enterprises' innovation and performance Study of abuse of intellectual property rights and its legal regulation 并列题名：Study on the impact of intellectual property rights protection on China's foreign trade Study on the intellectual property system of Pakistan Study on the protection of intellectural property of sports events in China