ApplicationNo.: After the patent applicant applied for a patent through Baiteng Patent Baba and other firms, China National Intellectual Property Administration gave the patent application acceptance notice and patent application number.
Patent number: 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.
The patent number before 2003 is divided into four sections: for example, 97 10 1765.4. The first two parts indicate the year when the patent application was filed, such as "97" indicating 1997; The second paragraph consists of the third digit, indicating the type of patent application, and "1" indicates invention (if it is utility model "2", design "3", PCT invention patent application "8" and PCT utility model patent application "9"); The third paragraph consists of four to eight digits, indicating the serial number of such applications in the current year; The fourth paragraph consists of a number or symbol of the ninth bit, which is a check bit automatically generated by the computer.
Since 2003, the basic format of patent number is 20021000001.1,and the first paragraph of 2002 is 2002; The second paragraph consists of the fifth digit, indicating the application type; The third paragraph consists of the sixth to twelfth digits, representing the serial number of the application of this category in the current year; The fourth paragraph consists of the last digit or symbol, which is a check bit automatically generated by the computer. For more patent application questions, please come to Baiteng Patent Baba for consultation.