Where are the patent citation data?

This situation can be inquired through China National Intellectual Property Administration and China Intellectual Property Statistics Information Network.

1, China National Intellectual Property Administration: You can register your account in the patent examination information inquiry in China and other countries.

2. China Intellectual Property Statistics Information Network: Click "Intellectual Property Management-Patent Statistics Query" in the website to open the interface of "Domestic Patent Citation Times Query". Just select the province to query.