Areas that cannot be patented under the patent law of China.

According to the provisions of China's patent law, patents cannot be granted in the following fields: nuclear transformation methods, scientific discoveries, animal and plant varieties, rules and methods of intellectual activities, diagnosis methods of diseases, treatment methods of diseases, etc. Except for the production methods of animal and plant varieties.

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.