Learn the essentials of patent drafting to protect your invention effectively. Claims for U.S. patents must be specific enough to distinguish the invention from prior art.They must also be clear, logical, and precise. Each patent application has several forms that must be filled out and submitted. A list of these forms can be found here. Patent drawing examples are charts or illustrations of an invention used in a patent application. They help illustrate your invention for better understanding. Prior to writing claim answer these questions: • What is the invention? • What are the pieces and parts that make up the invention? Edu when your disclosure is complete and someone will pick it up in person.