What's the difference between invention patent, utility model patent and appearance patent?

Patents include three types: invention, utility model and design.

Invention patent: refers to a new technical scheme proposed for a product, method or its improvement.

Methodological inventions (such as the formulation and processing technology of chemical products such as food and medicine) include computer software patent applications and biological patent applications. ), you can only apply for invention patents, but for structural inventions, you can apply for invention patents and utility model patents at the same time. The advantages of invention patents are long protection period and good stability of rights (patent rights can only be granted after substantive examination);

The term of protection of invention patents is 20 years;

It generally takes about 1~2.5 years to grant a patent right;

Patent for utility model: refers to a new technical scheme suitable for practical use for the shape, structure or combination of products.

Usually, for products with structural characteristics, you can apply for a patent for utility model. The characteristics of utility model patent are low application cost and short authorization time, but short protection period and poor stability of rights (patent right is granted without substantive examination);

The protection period of the utility model patent is 10 year;

It usually takes about 3- 10 months to grant the patent right;

Design patent: refers to a new design based on the shape, pattern or combination of products and the combination of colors, shapes and patterns, which is aesthetic and suitable for industrial application.

Generally, product packaging (packaging bags, boxes, boxes, bottles, etc. ) and aesthetic modeling can apply for a patent for design.

The protection period of the design patent is 10 year;

It usually takes 3-6 months to grant a patent right.