The differences between different types of patent applications are as follows: patent authorization time: it usually takes about 3 years to grant a patent for an invention. It usually takes about 1 year to grant utility model patents. It usually takes about 8 months to grant a design patent. "
legal ground
Inventions and utility models patented in Article 22 of the Patent Law of People's Republic of China (PRC) shall be novel, creative and practical. Novelty means that the invention or utility model does not belong to the prior art; Before the filing date, no unit or individual filed an application for the same invention or utility model with the administrative department for patent in the State Council, 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. The existing technology mentioned in this law refers to the technology known to the public at home and abroad before the date of application.