In Dystar Textilfarben GMBH & Co. Deutschland KG v. C.H. Patrick Co., No. 06-1088, 2006 WL 2806466 (Fed. Cir. Oct. 3, 2006), the Federal Circuit purported to clarify its precedent for proving obviousness under Section 103 of the Patent Act. In this alert, Kirkland partner Paul R. Steadman and associate Tiffany Cunningham discuss the details of this clarification.