U.S. plant patents almost always have colour photographs. It is possible to prepare and file your own provisional patent application.Sample Patents and Patent Applications We have Worked On from Various Arts and Technologies. The purpose of this guide is to provide you with basic information about filing a utility patent application with the USPTO. The main purpose of a quick provisional patent application is to establish proof that we had the invention in our possession before disclosing it to others. Learn the essentials of patent drafting to protect your invention effectively. A stepbystep overview of a patent application and maintenance process. The five stages of a patent process. A prelude to patent claim drafting. Today we pick up from there to discuss in a very basic way what must go into your patent claim.