I want to ask what the patent pct means.

PCT is the abbreviation of PatentCooperationTreaty, which is an international treaty on patents. The advantage is that patent applicants can submit international patent applications through PCT and apply for patents in multiple countries, which can save part of the energy of applying to multiple countries at the same time.

PCT international patent application is first submitted by the patent applicant to its competent acceptance bureau, published internationally by the International Bureau of the World Intellectual Property Organization, and searched internationally 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.

For more information about the meaning of patent pct, please visit:/ask/5645ac1615829690.html? Zd view more content