Research on intellectual property strategy for digital industry innovation 并列题名：Research on intellectual property strategy for digital industry innovation Research on intellectual property strategy of development driven by innovation strategy Research on intellectual property management strategy of design industry Research on intellectual property of cultural heritage digitization Research on intellectual property transaction mechanisms of China Research on intellectual property protection in cyberspace Research on intellectual property rights strategy of tackling section 337 investigation in USA Research on intellectual property culture from the perspective of innovation ecosystem Intellectual property system and regional industry innovation driving