Research on intellectual property rights strategy of tackling section 337 investigation in USA 并列题名：Research on intellectual property rights strategy of tackling section 337 investigation in USA Research on intellectual property strategy of development driven by innovation strategy Research on intellectual property rights protection of software Research on intellectual property strategy for digital industry innovation Research on intellectual property culture from the perspective of innovation ecosystem Research on intellectual property management strategy of design industry Research on intellectual property transaction mechanisms of China Research on intellectual property right alteration models Research on intellectual property of cultural heritage digitization