U.S. patent law requires a patent applicant to furnish at least one patent drawing (sometimes referred to as a patent illustration) of the invention whenever the invention is capable of illustration ...

If you are going to file a patent application you must have drawings to include in the application, but patent drawings are not the only type of “drawings” that an inventor should be considering.

Suppose that you have an invention disclosure for a utility invention that you want to protect. When you review the invention disclosure, you notice that the inventor has only supplied color drawings ...