This page provides information on the types of patents and types of patent applications, and the examination process. 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?A stepbystep overview of a patent application and maintenance process. The five stages of a patent process. Our center utilizes high resolution 4-D transvaginal probe that helps physicians view and detect fetal abnormalities earlier than ever. It is possible to prepare and file your own provisional patent application.