1. You can query the invention patent certificate by logging on the China National Intellectual Property Administration patent query website. The website address is/index.action. You can check the authenticity according to the patent application number on the certificate.

2. A patent certificate is a patent certificate issued by the patent administrative department of the State Council (i.e. China National Intellectual Property Administration) to the patent applicant if the patent application has passed the examination and no reason for rejection has been found, which meets the conditions for granting a patent right. This is a legal document.