Difference between China's invention patent and utility model patent

Invention as mentioned in the patent law refers to a new technical scheme proposed for a product, method or its improvement. Its characteristics are as follows: firstly, the invention is a new technical scheme. It is a technical scheme to solve various problems in production, scientific research and experiment by using natural laws, and generally consists of several technical features. Secondly, inventions can be divided into product inventions and method inventions. Product invention includes all things created by people, and method invention includes all methods created by using natural laws. Methods The invention can be divided into manufacturing method and operation method. In addition, the invention protected by the patent law can also be an improvement of existing products or methods.

View:/zsjz/cjwt/20131t 20131024 _ 843519.html.

The term "utility model" as mentioned in the patent law refers to a new practical technical scheme for the shape, structure or combination of products. The difference between utility model and invention lies in: first, utility model is limited to products with a certain shape, and it cannot be a method or a product without a fixed shape; Second, the utility model is not too creative, but it is very practical.

View:/zsjz/cjwt/20131t 20131024 _ 843516.html.

The difference between utility model patent and invention patent mainly lies in:

First, the utility model is limited to products with a certain shape, and cannot be a method or product without a fixed shape;

Second, the utility model is not very creative, but practical;

Third, the protection period of utility model patents (10 year) is shorter than that of invention patents (20 years);

Fourth, the patent office does not substantially examine the application for a patent for utility model, but substantially examines the application for a patent for invention.