How to understand patent number? What's the difference between patent number and application number?

How to understand patent number? What's the difference between patent number and application number? Today, Bian Xiao, Bajie Intellectual Property, gives you a detailed answer: What's the difference between a patent number and an application number? How to understand patent number? 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). What's the difference between patent number and application number? Patent application number and patent number have different meanings. 1. The patent application number is an important content in the acceptance notice sent by China National Intellectual Property Administration to the patent applicant. It consists of 8 digits plus a decimal point and a number (or English letter X). The first two digits represent the year number of the patent application year, the third digit represents the category of the patent application (1 represents the invention patent, 2 represents the utility model patent and 3 represents the design patent), the last five digits represent the serial number of a patent application this year, and the digits after the decimal point or X are the check digits of the computer. 2. Only when the patent application is granted the patent right, the patent application number becomes the patent number.