In the first half of 2011, three cases will be heard by the U.S. Supreme Court that could greatly influence the future of IP law: i4i Limited Partnership v. Microsoft Corporation; Global-Tech Appliances v. SEB; and Stanford University v. Roche Molecular Systems. Finnegan partner Erika Harmon Arner and associate Justin R. Lowery discuss these three cases and their potential ramifications; the rise in the number of IP cases reaching the Supreme Court; and other patent cases worth watching in 2011.