It will take about 6 to 8 months from the date of application to complete the review. You will receive an authorization notice from the Patent Office and notify you to pay the certificate fee and annual fee. It will be collected about two months after the payment. Obtain a design patent certificate issued by the Patent Office. The whole process takes about 8 months to 1 year. If there are problems with the application documents during the review period and require corrections, responses, etc., the authorization time will be postponed accordingly.