Answers: B, C, D, E
Situations in which patent rights are not granted. Situations in which patent rights are not granted include: ① scientific discoveries; ② rules and methods of intellectual activities; ③ methods of diagnosis and treatment of diseases; ④ animal and plant varieties; ⑤ atomic nucleus transformation methods and substances obtained by atomic nucleus transformation methods; ⑥ flat surfaces The design of printed matter, color, or a combination of the two, which mainly serves as a logo. For the production methods of the products listed in item ④, patent rights may be granted in accordance with the provisions of the Patent Law.