Today, the U.S. Supreme Court issued two opinions that cut back on protection of patent rights. One dealt with restricting the overseas reach of U.S. patent law, Microsoft Corp. v. AT&T Corp., No. 05-1056 (U.S. Apr. 30, 2007), and the other concerned the "obviousness" doctrine as a limit on patent validity, KSR Int’l Co. v. Teleflex, Inc., No. 04-1350 (U.S. Apr. 30, 2007).