This page provides information on the types of patents and types of patent applications, and the examination process. The Pro Se Assistance Program is dedicated to help independent inventors and small businesses meet their goal of protecting valuable intellectual property.A patent is not granted on an idea, but rather on a developed product, process or composition of matter. Once the patent expires, the invention enters the public domain, and anyone can freely use, make, or sell the invention without infringing the patent rights. This tutorial will focus on patents and the process for securing a patent in the U.S. First, let's consider why we have a patent system? Assist you with forms needed and with filling out the forms.