This article examines how the US Supreme Court's decision in B&B Hardware, Inc. v. Hargis Industries, Inc.—regarding whether courts should give preclusive effect to decisions made by the U.S. Patent and Trademark Office's Trademark Trial and Appeal Board (TTAB) rulings— was recently applied by a U.S. District Court on the issue of priority in Ashe v. The PNC Financial Services Group, Inc.