Patent authorization cycle
(1) It takes about five years from application to authorization for an invention patent;
(2) It takes about 2-3 years from the application to the authorization of the utility model patent;
(3) It takes about 1 year for an appearance patent to be granted.
Duration of patent protection
(1) Invention patent, with a protection period of 20 years from the date of filing;
(2) the patent for utility model, the protection period is 15 years from the date of filing;
(3) The protection period of the design patent is 25 years from the date of application.
Annual fee payment
(1) Invention patents shall be paid year by year from the third year;
(2) The utility model patent shall be paid year by year from the third year;
(3) The appearance patent shall be paid once every five years from the sixth year.