How to check the number of patent applications of enterprises

1. It can be inquired through China Patent Inquiry System. 2. Visit China National Intellectual Property Administration for patent number inquiry. The predecessor of China National Intellectual Property Administration is the Patent Office of the People's Republic of China (hereinafter referred to as the China Patent Office). Responsible for the overall coordination of patent work and foreign-related intellectual property affairs. China National Intellectual Property Administration Patent Office is a subsidiary of China National Intellectual Property Administration. China National Intellectual Property Administration entrusted the China National Intellectual Property Administration Patent Office to be responsible for the acceptance, examination, reexamination and authorization of patent applications and the examination of requests for invalidation.