2. The figures related to patents are:
I. Patent application number
Refers to the identification number given to a patent application by China National Intellectual Property Administration when it is accepted.
The patent application number is represented by 12 digits, including the application year number, application category number and application serial number. According to the order from left to right, the 1-4 digits in the patent application number indicate the year when the patent application was accepted, the 5th digit indicates the type of the patent application, the 6th-12 digits (***7 digits) indicate the serial number of the application, indicating the relative order of accepting the patent application, and the last decimal point is the check digit. The fifth application category number in the patent application number is represented by 1 digit, and the meanings of the digits used are as follows: 1 stands for invention patent application; 2 represents an application for a patent for utility model; 3 represents 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.
B. Patent number
The patent number is the number given when the patent right is granted, which is consistent with the application number, except that "ZL" is added before the application number.
C. Patent publication number
Also known as the patent document number, it consists of "country number+classification number+serial number+identification number", such as CN 1340998A, which stands for China's No.340998 invention patent.