What does the national patent number mean? How to inquire about the national patent number?

What does the national patent number mean? How to inquire about the national patent number? I believe this is a problem that many friends don't understand. Today, Bian Xiao will tell you the national patent number. What does the national patent number mean? How to inquire about the national patent number? What does the national patent number mean? The national patent number is the number given when the patent right is granted, which is a contribution number. The submission number is the serial number compiled by each industrial property office when publishing patent documents (including public publication and reading and copying only). The patent number begins with the first letter ZL of its Chinese phonetic alphabet, followed by nine digits and a decimal point, in which the first two digits of the first eight digits of the decimal point indicate the year of patent application; The third digit indicates the category of the patent application. 1 is an invention, 2 is a utility model, and 3 is a design; The fourth to eighth digits represent the serial number of this kind of patent application in that year; The number after the decimal point is the computer check number, which is the remainder obtained by multiplying the first eight digits by 2, 3, 4, 5, 6, 7, 8 and 9 in turn, adding the sum of their products, and then dividing by 1 1. When the remainder is 10, it is represented by X. How to query the national patent number? 1. It can be inquired through China Patent Inquiry System. 2. Patent number inquiry website /3. China National Intellectual Property Administration, formerly known as People's Republic of China (PRC) and China Patent Office (hereinafter referred to as China Patent Office). 1980 was established with the approval of the State Council. During the institutional reform in the State Council from 65438 to 0998, China Patent Office was renamed as China National Intellectual Property Administration, which became an institution directly under the State Council, and was in charge of the comprehensive coordination of patent work and foreign-related intellectual property affairs. China National Intellectual Property Administration Patent Office is a subsidiary of China National Intellectual Property Administration. China National Intellectual Property Administration entrusted the China National Intellectual Property Administration Patent Office to be responsible for the acceptance, examination, reexamination and authorization of patent applications and the examination of requests for invalidation. What does the national patent number mean? How to inquire about the national patent number? Bian Xiao answered this question here. If you have more questions about the national patent number, you can continue to pay attention to Bajie Intellectual Property or contact us by phone.