PCT explains what a patent is.

The explanation of PCT explains the abbreviation of PCT (patent cooperation agreement) As can be seen from the name, the Patent Cooperation Treaty is an international cooperation treaty in the patent field. Since the adoption of the Paris Convention, it has been regarded as the most important symbol of the progress of international cooperation in this field. However, it mainly involves the coordination and rationality of filing, retrieval and examination of patent applications and the dissemination of technical information contained therein. PCT does not grant "international patents": the task and responsibility of granting patents can still only be undertaken by patent offices of various countries seeking patent protection or institutions exercising their functions and powers. PCT and Paris Convention are not competitive, but actually complementary. In fact, this is a special agreement under the Paris Convention, which is only open to the member countries of the Paris Convention. Second, the application notice PCT international patent application is first submitted by the patent applicant to its competent acceptance bureau, internationally publicized by the International Bureau of the World Intellectual Property Organization, and internationally searched by international search units. If the applicant requests, the international patent application shall be subject to international preliminary examination by the international preliminary examination unit. The purpose of international retrieval is to provide existing technical information related to international patent applications; The purpose of international preliminary examination is to provide preliminary examination opinions on the novelty, creativity and industrial practicability of international patent applications. After international retrieval, international publicity and international preliminary examination (if necessary), the patent applicant goes through the formalities of entering the national phase. Patent Certificate for Invention (3) The Patent Office of the Intellectual Property Office of China is the competent acceptance bureau for nationals or residents of China, as well as an international retrieval unit and an international preliminary examination unit. Where an applicant from China files an international patent application, it shall be approved by the relevant departments of People's Republic of China (PRC) and the State Council, and entrusted by a foreign-related patent agency. China applicants may file an international patent application with the China Patent Office or the International Bureau of the World Intellectual Property Organization. According to the provisions of China's Patent Law, China Minsheng Investment Co., Ltd. must entrust a patent agency legally established in China to submit an international application for PCT patent in China, and no other unit or individual can complete this process. It should be noted that the patent applicant can only apply for a patent through PCT, and cannot directly obtain a patent through PCT. In order to obtain a patent in a certain country, the patent applicant must also go through the formalities of entering the country, and the patent office of that country will examine the patent application. If it conforms to the patent laws and regulations of that country, the patent right will be granted. In order to standardize the international patent use and patent application, the PCT mechanism is specially formulated, which simplifies the relevant procedures and has strict regulations on the relevant patent users and patent applications. Relevant applicants can obtain such certificates and safeguard their legitimate rights and interests as long as they carry relevant certification materials and handle them accordingly.