In Centrak, Inc. v. Sonitor Technologies, Inc., [2017-2510] (February 14, 2019), the Federal Circuit reversed the district court’s determination that the claims of U.S. Patent No. 8,604,909 are invalid for lack of written description, and non-infringement. The ’909 patent relates … Continue reading A Constructive Reduction to Practice is Sufficient if it Identifies the Claimed invention in a Definite Way.