CAFC Affirms PTAB Decision Invalidating Flow Meter Patent Claims

On August 12, the U.S. Court of Appeals for the Federal Circuit (CAFC) issued a precedential decision in Kamstrup A/S v. Axioma Metering UAB affirming a final written decision by the Patent Trial and Appeal Board (PTAB) that invalidated all challenged claims as obvious or anticipated. In so holding, the Federal Circuit found that the PTAB properly construed a product-by-process claim element as not entitled to patentable weight and dismissed Kamstrup’s arguments that the asserted prior art was not analogous to the patented invention.Read More