Under what circumstances can't I get a patent right?

A. scientific discoveries; Such as the discovery of new stars and Newton's law of universal gravitation.

B. rules and methods of intellectual activities; Like a new chess game.

C. diagnosis and treatment of diseases;

D. Species of animals and plants, but the production method of products can be patented; (China has special provisions on the protection of animal and plant varieties)

E. substances obtained by nuclear transformation.

F. Violating laws, social ethics or impairing public interests.