22 According to the R.O.C. Patent Act, which of the following statements of joint ownership is
incorrect?
(A) Where a right to apply for a patent is jointly owned, the patent application related thereto shall be filed by all the joint owner(s).
(B) Where a patent right is jointly owned, it shall not be exploited assigned, entrusted, licensed, pledged, or abandoned without the consent of all the joint owner(s).
(C) Where a patent right is jointly owned, no joint owner may assign, entrust or establish a pledge on his own share without the consent of all the other joint owner(s).
(D) Where a joint owner of a patent right has abandoned his own share, this share shall be vested in other joint owner(s).