China's current patent law and intellectual property law clearly stipulate that there are three forms of patent protection in China: invention, utility model and design.
Objects not protected by patent law: 1. Inventions and creations that violate laws, social ethics or harm public interests. Scientific discovery. 3. Rules and methods of intellectual activities. 4. Diagnosis and treatment of diseases. 5. Species of animals and plants. 6. Substances obtained by nuclear transformation. 7. Patterns are mainly used to mark the patterns, colors or the combination of the two.