Tag Archives | drawings

Patent Drawings: How To Show Color Without Using Color

The patent rules provide that black and white line drawings are normally required for patent drawings. 37 CFR 1.84(a)(1). There is a rule for filing drawings in color, but it requires filing a petition to allow color drawings and paying a fee (for a utility patent application). MPEP 608.02(VIII). Instead of going that route, you can use certain back and white lining patterns to show color according a USPTO key, which is shown below.

 

USPTO_Line_For_Color

 

This key is provided from MPEP 608.02(IX). Providing the lining pattern on a surface or portion of an element of your drawings will indicate that surface or portion has the corresponding color. You will also want to provide a text description of the drawings indicating that the drawing is lined for color, …

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Design Patent Drawings: Surface Shading

DesignPatentCokeBottleDesign patents seek to protect the appearance of an article of manufacture, such as a product or a portion of a product. Therefore, design patents consist mostly of drawings of the invention with a small amount of text. The drawings mostly define the scope of protection that will be provided under the design patent. Therefore, the details of the drawings for design patents are very important.

Surface shading in the drawings may be important to determining whether the patent design covers a particular third party product (e.g. an alleged infringer). The patent rules provide regarding design patent drawings, “Appropriate and adequate surface shading should be used to show the character or contour of the surfaces represented.” MPEP 1503.02. The rules further provide, “Lack of appropriate surface shading in the drawing …

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