12 According to the Patent Act in Taiwan, “invention” means the creation of technical ideas, utilizing the laws ofnature. Regarding the following statements or phrases, what could be possibly deemed as an “invention”?
(A) the discovery of a natural resource
(B) chemical compounds which are artificially isolated from natural sources
(C) chemical compounds which are artificially isolated from natural sources however the usefulness cannot be figured out
(D) a law of universal gravitation itself