Patent application number includes three parts: 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. Every Arabic numeral used in the patent application number is decimal.
Application year number
Year of application The year number in the patent application number adopts the year of AD, for example, 2004 indicates that the year of patent application acceptance is AD 2004.
Application category number
Application category 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 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. The meaning of other Arabic numerals not included in the above-mentioned application category number when used as category number shall be stipulated separately by China National Intellectual Property Administration.
Application serial number
Application serial number The application serial number in the patent application number is represented by 7 consecutive digits, and is generally used in ascending order, for example, starting from 000000 1 and increasing in turn until 999999. The application serial number in the patent application number of each natural year is rearranged, that is, from 65438+1 October1every year, the application serial number in the newly issued patent application number is rearranged from 00000 1 instead of the application serial number used in the previous year.
The above is an introduction to the three components of the patent application number. Knowing the components of the patent application number will make you know a lot about the patent application number.
I hope it helps you! ! !