Go to the website of the State Patent Office and have a look.
Enter the patent number in the query column to query the legal status of the patent, and you can see what the status of the patent is.
Utility model and appearance patent can only be found after authorization.
An invention patent is authorized if it can find an authorized description, but it is not authorized if it only has a public description.
The patent number is the number given when the patent right is granted, and it is a submission number. The submission number is the serial number compiled by each industrial property office when publishing patent documents (including public publication and reading and copying only).
The content of this article comes from: China Law Publishing House "General Knowledge Series of Legal Life"