19 Sana exclusively licenses her design patent to Cerise. Under Article 63 of the Patent Act in Taiwan:
(A)Cerise may sub-license the patent to Tyron unless otherwise agreed upon by the licensing contract.
(B)Cerise may sub-license the patent to Tyron regardless how it is written in the licensing contract.
(C)Cerise may not sub-license the patent to Tyron unless otherwise agreed upon by the licensing contract.
(D)Cerise may not sub-license the patent to Tyron regardless how it is written in the licensing contract.