The subject of patent priority is the patent applicant. What is patent priority? Patent priority means that after a patent applicant files a patent application for his invention and creation in a certain country for the first time, he files another patent application for an invention and creation with the same subject within the legal period. According to relevant laws and regulations, the applicant shall For subsequent applications, the date of the first patent application is regarded as the filing date. This right enjoyed by the patent applicant in accordance with the law is the right of priority. The purpose of patent priority is to exclude those who copy the trademark in other countries and have the possibility to apply for registration first. Types of patent priority Patent priority can be divided into domestic priority and international priority. 1. Domestic priority Domestic priority, also known as "domestic priority", means that the patent applicant files another patent application in China within 12 months from the date when the patent applicant first files a patent application for the same subject invention or utility model in China. Patent applications submitted by the Patent Office of the State Intellectual Property Office can enjoy priority. Design patents are not included in the national priority system. 2. International priority International priority, also known as "foreign priority", is: within 12 months from the date when the patent applicant first files a patent application in a foreign country for the same invention or utility model, or for the same appearance If a design files a patent application in China within 6 months of the first patent application filed in a foreign country, China shall take the date of the first patent application filed in a foreign country as the filing date, and the filing date shall be the priority. day.