Prior to writing claim answer these questions: • What is the invention? • What are the pieces and parts that make up the invention?Riverside Law has vast experience in patent application drafting and patent prosecution in a wide range of technology areas. The specification, including the abstract and claims, must have lines that are 1.5 or doublespaced in a single column of text. In this video we're going to go ahead and create a patent writing template. Patent Claim Format. •A patent claim has 3 parts: – preamble. In the tools section of this tutorial, you will find a sample USPTO Application. Data Sheet that must accompany a patent application. To be sure of complete accuracy, please check with City staff for updated Information.