The owner of a patent can license out the patent so that the invention can only be used in Arizona, or only in a certain region in Arizona. Resources are available for Arizona residents to help inventors and entrepreneurs learn more about protecting their intellectual property.A: Yes, you can file a patent on your own without hiring a lawyer. This process is known as filing "pro se. This breakdown will help you to fill out your disclosure, as well as outline key points that you may need to consider. Yes, patents do expire. To answer your questions: 1. A guide to help ASU students find patent information including what is a patent, the different sections of a patent, how to do a prior art search. Anyone can file a patent for themselves. Patent agents and patent attorneys are also authorized to prosecute patent applications for others.