Mealey's (August 1, 2016, 1:47 PM EDT) -- WASHINGTON, D.C. — A Massachusetts federal judge’s decision to let stand a jury verdict that both a plaintiff and defendant were liable for infringing one another’s external defibrillator patents and that all patents asserted in the litigation are not invalid was partly vacated and reversed July 28 by the Federal Circuit U.S. Court of Appeals, which found — among other things — that potentially invalidating prior art was improperly excluded (Koninklijke Philips N.V., et al. v. Zoll Medical Corporation, No. 14-1764, -1791, Fed. Cir.; 2016 U.S. App. LEXIS 13710)....