Law360, New York (February 7, 2011) -- On Jan. 20, 2011, the Federal Circuit addressed for the first time direct infringement of a "system" claim based on "use" where multiple actors are in physical possession of different elements of the system. Centillion Data Sys. LLC v. Qwest Comm. Int’l Inc., No. 2010-1110, -1131, slip op. at 7 (Fed. Cir. Jan. 20, 2011).