Utility model: Utility model refers to a new practical technical scheme for the shape, structure or combination of products.
Appearance design: Appearance design refers to a new design with aesthetic feeling and suitable for industrial application based on the shape, pattern or their combination of products and the combination of colors, shapes and patterns.
Among them: the invention patent has the highest technical content and strict examination, and the time from application to authorization is generally about 2-3 years;
The utility model can be authorized within at least 3 months, generally 6- 12 months;
As the name implies, design is to protect the appearance, which is the fastest.