1. The patent application number is represented by 12-digit Arabic numerals. The 1st to 4th digits indicate the year in which the patent application was accepted. For example, 2004 indicates that the year in which the patent application was accepted was 2004 AD. You asked for 9810 Obviously it is not the current patent application. If it is understood that the two digits represent the year number, it was applied in 1998. 2. Patent applications usually take 1 to 3 years to be approved. Appearance: Within 1 year, inventions will be slower. If it was something from 1998 and it has not been approved yet, it is garbage. 3. The fifth digit is the application type number: in the patent application number The application type number is represented by a 1-digit number, and the meaning of the numbers used is as follows: 1 represents an invention patent application; 2 represents a utility model patent application; 3 represents a design patent application; 8 represents a PCT invention patent application that has entered the Chinese national phase; 9 Indicates a PCT utility model patent application that has entered the Chinese national phase. 4. The last 7 digits are the application serial number, represented by consecutive numbers, generally used in ascending order, for example, starting from 0000001 and increasing in order until 9999999. 5. Standard format: the joint use of the patent application number and the Chinese country code CN, such as CN 201110000018
The Chinese country code CN can be used in conjunction with the patent application number to indicate that the patent application is accepted by the State Intellectual Property Office of China. The code CN should be placed before the patent application number. If necessary, a 1-bit single-byte space can be used between the CN and the patent application number. 6. Drugs must have the word "Drug Approval"