How long will the patent refund arrive?

Patent refund 1 month. Where the applicant overpays, wrongly pays or re-pays the patent fee, it shall file a complaint with the Patent Office within one year from the date of payment and return it after verification by the Patent Office. Patent refund should be received within 65,438+0 months. Patent literally means exclusive rights. The word patent comes from Latin Litteraepatentes, which means open letters or open documents. It is a certificate used by medieval monarchs to issue certain privileges, and later refers to the exclusive rights certificate signed by the British king himself.