The simplest format is a Brief Description of the Invention, which is an informal description of how to make and use the invention. Prior to writing claim answer these questions: • What is the invention?• What are the pieces and parts that make up the invention? It is possible to prepare and file your own provisional patent application. This is the format of what your application should follow for filing. 7.6 Interested parties may submit a request for clarifications, modifications or questions to the Court. 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.