Topic Archives: divided infringement

The Uncertain Future of Divided Patent Infringement

The law of patent infringement is governed by 35 U.S.C. § 271. In particular, § 271(a) describes what constitutes infringement: Except as otherwise provided in this title, whoever without authority makes, uses, offers to sell, or sells any patented invention, within the … Continue reading

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Centillion Data Systems, LLC v. Qwest Communications International: New Aspects to Divided Infringement

In Centillion Data Systems, LLC v. Qwest Communications International (PDF), the Federal Circuit limited its doctrine that for patent infringement, “every element” of a claim needs to be infringed by a single party. Legal Background: Patent claims describe the scope … Continue reading

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