Court Interprets Purported Contour Lines in Design Patent Drawings

The benefits of clear surface shading in a design patent were highlighted in a recent district circuit decision, which found that purported contour or tangent edge lines added to the drawings to illustrate a transition edge between rounded and flat surfaces were not proper lines to indicate surface contour, but instead claimed features.

Whole Designs – University of Colorado

John Hemmer - Morgan, Lewis & Bockius LLP

Patent Drawings: When and Where to Use Hatching and Shading

IN DESIGN PATENT DRAWINGS, WHEN ARE LINES LINES, AND WHEN ARE LINES NOT LINES? — Design Law Perspectives

John L. Hemmer - Morgan, Lewis & Bockius LLP - Experts - Lexology

Volume 3 November 2012 Patent Drawings

Apple v. Samsung: Intelligence on Apple's U.S. Design Patent Offensive

JPT v. Steve Madden - Markman Briefing, PDF

The Scope of Comparison Prior Art in Design Patent Infringement

The Scope of Comparison Prior Art in Design Patent Infringement