Exploring the Standard of Definiteness for U.S. Patents Through the CAFC's Decision in Cox v. Sprint

This article examines the U.S. patent law requirement of definiteness under 35 U.S.C. § 112. By analyzing the Federal Circuit's (CAFC) decision in Cox v. Sprint, the publication discusses the court's novel approach to evaluating functional terms (such as "processing system") in method claims, offering strategic insights into applying the "reasonable certainty" standard established by the Supreme Court in Nautilus v. Biosig.