Intellectual property system and regional industry innovation driving Research on intellectual property strategy for digital industry innovation Intellectual property system and economic growth Intellectual property system and innovation-driven development Intellectual property protection and business innovation Intellectual property system for confidential inventions related to national defense Intellectual property transactions and enterprise innovation performance 并列题名:Research on intellectual property strategy for digital industry innovation 并列题名:Intellectual property system for confidential inventions related to national defense Intellectual property sharing and protection in collaborative innovation