A Utility or Business Method Patent Will Last for

A utility or business method patent will last for

A) 14 years from the date of the filing of the application with the U.S. Patent and Trademark Office.
B) 14 years from the date of the approval of the application granted by the U.S. Patent and Trademark Office.
C) 20 years from the date of the filing of the application with the U.S. Patent and Trademark Office.
D) 20 years from the date of the approval of the application granted by the U.S. Patent and Trademark Office.