Getting a patent in Pennsylvania is the same as any other state. The patent application is filed with the United States Patent and Trademark Office (USPTO).Patent Center Overview provides details on how to file an application in Patent Center. Quick Clinic Video Series. Discover how to file for a patent with our stepbystep guide, simplifying the process to protect your innovation. Learn the essentials now. A stepbystep overview of a patent application and maintenance process. The five stages of a patent process. The firsttofile rule is a rule of general application in our jurisdiction, which asserts that the applicant who first files their patent receives priority. In this article, you will learn some tips and best practices for preparing a patent application that showcases your product innovation and convinces investors.