In Life Technologies Corp. v. Promega Corp., the U.S. Supreme Court held supplying a single component abroad for manufacture of a product with multiple components does not infringe a U.S. patent under 35 U.S.C. 271(f)(1). This reverses the Federal Circuit decision, and disagrees with the qualitative argument that a single component can be a "substantial portion" of the components supplied resulting in infringement.
For details and an insightful analysis by Professor John Duffy see SCOTUS Blog.
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