The patent application number is represented by 12 Arabic numerals. According to the order 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 indicates the application number, indicating the relative order of accepting the patent application.
The authorization announcement number is both invented and practical, and appeared after authorization. If it was invented, it evolved from WeChat official account or bulletin number, and the last letter became B.
The patent number is the number given when the patent right is granted, and it is a submission number. The contribution number is the serial number compiled by the Industrial Property Office when publishing the patent document. After the patent applicant obtains the patent right, the patent number on the patent certificate issued by China National Intellectual Property Administration is ZL (patent initials)+application number.
Extended data:
The composition of the patent application number is as follows:
1, application year number. The year number in the patent application number adopts AD year. For example, 2004 indicates that the year of patent application acceptance is AD 2004.
2. Application type number. The application category number in the patent application number is represented by 1 digit, and the meaning of the digits used is as follows: 1 stands for invention patent application. 2 stands for utility model patent application. 3 denotes an application for a patent for design. 8 denotes the PCT invention patent application that entered the national stage in China. 9 denotes the PCT utility model patent application that entered the national stage in China.
3. Application serial number. The application serial number in the patent application number is represented by 7 consecutive digits, which are generally used in ascending order, for example, from 000000 1 to 99999. The application serial number in the patent application number of each natural year is rearranged, that is, the application serial number in the newly issued patent application number every year does not continue the application serial number used in the previous year from 1.
Baidu encyclopedia-patent application number
Baidu encyclopedia-patent number