Mealey's (October 7, 2019, 12:41 PM EDT) -- WASHINGTON, D.C. — A purported split among the circuit courts of appeal as to what constitutes fraud on the U.S. Patent and Trademark Office (PTO) will not be resolved by the U.S. Supreme Court, which on Oct. 7 denied a petition for certiorari by a trademark holder (B&B Hardware Inc. v. Hargis Industries Inc., et al., No. 19-48, U.S. Sup.)....