Tag Archives | design patent

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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How to Broaden Design Patent Protection with Broken Lines: Apple v Samsung

ApplePatentD593087_SamsungGalaxyS4G

The Samsung Galaxy S 4G smartphone on the right has a different back shape and lacks a circular home button on the front as compared to the iPhone in Figures 19 and 24 of U.S. Patent No. D593087 (“the ‘087 patent”), shown on the left. But a jury determined that the Galaxy infringed the ‘087 patent in the case of Apple v. Samsung, No. 200-cv-01846 (N.D. Cal. 2011). Did the jury ignore those different elements of the Galaxy phone?

Yes. And they were right to ignore them.

Apple drafted the ‘087 patent in a way that requires that the differences in the back shape and the home button be ignored. Apple did that by providing those features in broken lines.

The solid lines indicate the part of design of …

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