(March 14, 2024, 9:06 AM EDT) -- WASHINGTON, D.C. — An artist and designer who had four trademark registrations for a vulgar word denied by the U.S. Patent and Trademark Office (PTO) tells the Federal Circuit U.S. Court of Appeals in his reply brief that the agency inappropriately relied on newly created doctrines regarding commonly used words in rejecting his applications, despite the fact that many other commonly used words have been used as trademarks....