The term of patent right for invention, utility model and design is different. How long is the difference?

The term of protection of invention patents in China is 20 years from the date of application; The protection period of utility model patent and design patent is 10 year from the date of application. Other countries are different.

Where an application for a patent for invention or utility model is filed, the request, specification, abstract and claim shall be submitted.

The request shall specify the name of the invention or utility model, the name of the inventor or designer, the name and address of the applicant and other matters. The specification shall give a clear and complete description of the invention or utility model, and shall be accompanied by drawings when necessary. The technical points of the invention or utility model shall be briefly explained.

The patent claim shall be based on the specification and indicate the scope of patent protection.