Mealey's (March 13, 2018, 8:57 AM EDT) -- ALEXANDRIA, Va. — In a final written decision issued March 9, the Patent Trial and Appeal Board agreed with a petitioner that five claims relating to a humidifier chamber for a continuous positive airway pressure (CPAP) machine do not pass muster under Section 103 of the Patent Act, 35 U.S.C. § 103 (Resmed Ltd. v. Fisher & Paykel Healthcare Ltd., No. IPR2016-01719, PTAB)....