Improperly defined “international patent”, the demand for PCT (Patent Cooperation Treaty) allows file with the Office of International Patents WIPO a “single application” patent for all the 146 States parties to the agreement that established it. The procedure allows the applicant to use a “priority right” and, despite the absence of an actual patent filing, retain, in those countries, the rights and protections that come with it. In other words, with a question of PCT book demand true in other states. To access it, you must have filed the patent at its national office; from the priority date, so acquired, applicants have 30 months to explore the actual potential of his invention, screening the market and then decide whether or not to proceed with individual national patents.
During this time, the body responsible for processing a “International Search Report” and on request a “Written Opinion” able to provide the applicant with all the information on the patentability of the solution necessary to continue being recorded in individual countries of interest.
Those instruments that provide positive inventor careful analysis of the pros, cons and any obstacles that may arise for the filing of the invention, limiting the risks and costs, or at least differendoli in time.
Only once it has entered the national phase (or regional for the European patent) the selection board will be able to examine and possibly grant the authorization to proceed, but from that moment on the international application PCT is transformed into a series of national patents (or regional) each with its own process, with its own life and in accordance with regulations of the countries in which the application is filed.
In conclusion it is a temporary protection which offers the advantage of gaining time to the promoter to understand the response of the international market to its solution patentable.