Question: List a situation in which drawings are usually not considered necessary for the  understanding of the invention. Answer: It has been USPTO practice to treat an application that contains at least one process or method claim as an application for which a drawing is not necessary for an understanding of the invention. Other situations in which drawings are usually not considered necessary for the understanding of the invention are: Coated articles or products; Articles made from a particular material or composition; Laminated structures; Articles, apparatus, or systems where sole distinguishing feature is presence of a particular material. Chapter Details:…

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