China's Patent Law stipulates that no patent right shall be granted for the following items: (1) scientific discovery; (2) rules and methods of intellectual activities (option c); (3) Diagnosis and treatment of diseases (option b); (4) animal and plant varieties (option a); (5) nuclear transformation method and substances obtained by nuclear transformation method (option d); (6) Designs mainly used for marking the patterns, colors or the combination of the two of the plane printed matter; (7) Inventions and creations that violate laws, social ethics or interfere with public interests; (8) Obtaining or utilizing genetic resources in violation of laws and administrative regulations, and relying on the genetic resources to complete inventions and creations.