In a largely-unanimous opinion, the Supreme Court has ruled that the “supply of a single component of a multicomponent invention for manufacture abroad does not give rise to A 271 liability.” The case interprets the patent infringement statute 35 U.S.C. A 271 that creates liability for supplying from the US “all or a substantial portion of the components of a patented invention” to be combined abroad in a manner that would infringe the US patent .