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Numbering rules of patent application numbers

4. 1 Composition of patent application number

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 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 of accepting the patent application.

Every Arabic numeral used in the patent application number is decimal.

4.2 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.

4.3 Application Type Number

The 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.

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.

4.4 Application for 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, 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.

4.5 Schematic diagram of numbering rules of patent application number

Xxxx (application year number) x (application category number) xxxxxxxx (application serial number)

5 rules for the use of patent application number

5. 1 Joint use of patent application number and parity bit

China National Intellectual Property Administration gave the patent application number and check bit when accepting the patent application. The check bit is located after the patent application number, and the subscript single-byte real dot symbol is used as the separator between the patent application number and the check bit. Unless otherwise provided by laws, regulations and administrative rules, the patent application number and the check bit (including the separator between them) are used together in various legal procedures stipulated in the Patent Law, the detailed rules for the implementation of the Patent Law and other relevant provisions.