The usual number of drawings which the patent office requires for a design patent application is 7 – including 6 planar views and a perspective view, at times there can still be more based on the complexity of the design. For a Utility patent application the drawings should cover all the functional aspects of the invention which are claimed in the patent, so, the number of drawings may vary based on the nature of the invention.
If you are not sure, get in touch at [email protected]. Our experts will help you define the number of drawings needed.