In a recent case from the United States District Court for the District of Delaware, the district court held that the defendant was not liable for patent infringement based on the doctrine of divided infringement. The district court based its ruling on the Federal Circuit’s decision in Centillion Data Sys., LLC v. Qwest Communications Int’l, Inc., 631 F.3d 1279 (Fed. Cir. 2011).
In Centillion, the Federal Circuit analyzed a patent that disclosed a system for collecting, processing, and delivering information from a service provider, such as a telephone company, to a customer. The Federal Circuit focused its decision on the word “use” — agreeing that “direct infringement by ‘use’ of a system claim ‘requires a party … to use each and every … element of a claimed [system.]” Id. at 1285. The Federal Circuit also stated that “to use’ a system for the purposes of infringement, a party must put the invention into service, i.e., control the system as a whole and obtain benefit from it.”
Continue reading