16 Which of the following statements is incorrect?
(A) Where a patentee establishes multiple pledges on the same patent for the purpose of securing
multiple creditors’ rights, the ranks of these pledges shall be determined according to the order
of their recordation.
(B) Where a patent right is jointly owned, all joint owners must consent in order to abandon the
patent right.
(C) Where a patent right is jointly owned, a joint owner may abandon his share only with the
consent of all other joint owners.
(D) Where a patent right has been pledged, the patentee may abandon the patent right only with the
consent of the pledgee.