Can I get a refund if the patent expires?

Usually, no matter whether the patent application is successful or not, the patent application is non-refundable. Authorization of patent application: 1. Examination procedures of an application for a patent for invention: filing an application-accepting and charging-preliminary examination-substantive examination request-substantive request-granting a patent right-issuing a patent certificate. 2. Examination procedure of utility model patent application: application-acceptance, payment-preliminary examination-granting patent right-issuing patent certificate. 3. Examination procedure of design patent application: filing an application-accepting and paying fees-preliminary examination-granting a patent right-issuing a patent certificate.