Mealey's (January 9, 2020, 11:19 AM EST) -- WASHINGTON, D.C. — In its Jan. 6 opening merits brief, the U.S. Patent and Trademark Office (PTO) opposes the Fourth Circuit U.S. Court of Appeals’ finding that “Booking.com” is a protectable trademark, asking the U.S. Supreme Court to find that the combination of a generic top-level domain (TLD), such as “.com,” and a generic term does not create a registrable mark (U.S. Patent and Trademark Office, et al. v. Booking.com B.V., No. 19-46, U.S. Sup.)....