A design patent will last for O 20 years from the date of the approval of the application granted by the U.S. Patent and Trademark Office. O 20 years from the date of the filing of the application with the U.S. Patent and Trademark Office. O 14 years from the date of the approval of the application granted by the U.S. Patent and Trademark Office. O 14 years from the date of the filing of the application with the U.S. Patent and Trademark Office