What are the similarities between the design patent and the utility model patent?

first of all, the protection period is 1 years, and then you need to provide drawings, and then they are all patents. Then the application period is short ~ ~

Innovation such as structural improvement, process optimization, original formula and electronic communication are suitable for applying for invention patents.

mechanical structure improvement and product shape innovation are suitable for applying for utility model patents.

The innovation of appearance and shape of products and the innovation of color of product patterns are suitable for filing design patents.

the elephant knows that all these things are done, and they are also very cheap.