National Phase Entry

About

The National Phase Entry is the following step after the international patent application. It is often also referred to as "National Stage Entry" or "Patent Nationalisation".

The Patent Cooperation Treaty (PCT) is an international patent law treaty, concluded in 1970. It provides a unified procedure for filing patent applications to protect inventions in each of its contracting states. A patent application filed under the PCT is called an international application, or PCT application.