The answer is money. This page provides information on the types of patents and types of patent applications, and the examination process.The patent system was created to protect and promote innovation and economic growth. A provisional patent application allows you to file without a formal patent claim, oath or declaration, or any information disclosure (prior art) statement. Are you applying for a patent? Learn more about how a provisional patent can be used to protect your innovation in the interim. Getting a patent in North Carolina is the same as any other state. Filing a utility non-provisional patent application can be a difficult process. FindLaw provides you with a guide to help you understand the process. These are the local rules of practice for Patent Cases before the United States.