The circumstances in which the patent right is not granted include: ① scientific discovery; ② Rules and methods of intellectual activities; ③ Diagnosis and treatment of diseases; ④ Animal and plant varieties; (5) Nuclear transformation methods and substances obtained by nuclear transformation methods; ⑥ It is mainly used to mark the pattern, color or the combination of the two in plane printed matter. For the production method of the products listed in Item (4), a patent right may be granted in accordance with the provisions of the Patent Law.