What does the patent application number mean?

What does the patent application number mean? A patent application will have a corresponding patent application number, and after a successful patent application, there will be another patent application number, which is the final number. So when will the patent applicant reply and receive the patent application number? How does the patentee know the meaning of the patent application number? As we all know, patent application needs to go through the process of patent application, acceptance, examination, authorization and authentication. In fact, the patent application number is a number of the patent application receipt accepted by the patent office. The meaning of patent application number may be that some patentees don't quite understand that patent application number is a signal of successful patent application, but it is not. The patent application number is just a pending number given by the patent in order to accept your patent. It is useless to get a patent application if you can't pass the patent examination. The final number of the patent application is the patent number and patent authorization number; PatentNo. The patent certificate issued by China National Intellectual Property Administration has the patent number: ZL (initials of patent)+application number. Our patent application number is represented by 12 digits, including application year number, application category number and application serial number. From left to right, the number 1-4 in the patent application number indicates the year when the patent application was accepted, the number 5 indicates the type of the patent application, and the number 6- 12 (***7) indicates the serial number of the application, indicating the relative order in which the patent application was accepted.