1. Invention: refers to a new technical scheme proposed for a product, method or its improvement.
2. Utility model: refers to a new technical scheme suitable for practical use for the shape, structure or combination of products.
3. Appearance design: a new design that is aesthetically pleasing and suitable for industrial application in the shape, pattern or combination of products and the combination of colors, shapes and patterns.
Second, the censorship system is different.
1. Invention patent: substantive examination.
2. Patent for utility model: formal examination.
3. Design patent: formal examination.
Third, the authorization conditions are different.
1. patents for inventions and utility models: novelty, creativity and practicality.
Novelty means that the invention or utility model does not belong to the prior art; No unit or individual filed an application for the same invention or utility model with the administrative department for patent in the State Council before the filing date, and it was recorded in the patent application documents published or announced after the filing date.
Creativity means that compared with the prior art, the invention has outstanding substantive features and remarkable progress, and the utility model has substantive features and progress.
Practicality means that the invention or utility model can be manufactured or used and can produce positive effects.
2. Design patent: Compared with the existing design or the combination of existing design features, it has obvious differences; Do not conflict with the legal rights that others have obtained before the filing date.
Fourth, the protection period is different.
1. Invention patent: 20 years from the date of application.
2. Patent for utility model: from the date of filing 10 year.
3. Design patent: from the date of application 10 year.