The items that are not granted patent rights include: animal and plant varieties (except the production methods of products), diagnosis methods of diseases, treatment methods of diseases, nuclear transformation methods, scientific discoveries and other applications prohibited by law.
legal ground
Article 25 of the Patent Law of People's Republic of China (PRC)
No patent right shall be granted for the following items:
(1) scientific discoveries;
(2) rules and methods of intellectual activities;
(3) Methods of diagnosis and treatment of diseases;
(4) Species of animals and plants;
(5) Nuclear transformation methods and substances obtained by nuclear transformation methods;
(six) the design of the pattern, color or the combination of the two.
The production method of the products listed in Item (4) of the preceding paragraph may be granted a patent right in accordance with the provisions of this Law. ............................................................