Review of the Patent Cooperation Treaty (PCT); A Window Toward Universal Patent System

Patent has been always noteworthy for world Intellectual Property Organization as the most important tool in supporting inventors. So several efforts have been done to altering this issue to universal act, by creating an international patent system like Paris and Trips convention. Patent cooperation treaty is a beginning for deep unification between different countries by mission of make uniform procedural patent law. In this debate this the question is raised: Hase PCT system been succeed to assimilate procedural patent law? is it mainly possible to create a worldwide patent system, excluding different national and regional patent laws? This research surveys the level of acceptance of PCT results in different national and regional patent systems, Using descriptive-analytical method. The results show that patent offices can apply Work-sharing process by creating reformations in PCT and creating legislations to increasing trust to the search results of different some patent offices.