If no correction is required:
1. It takes about 8-10 months from the acceptance of the application to the issuance of the authorization notice;
2. It takes about 12-15 months from the acceptance of the application to the issuance of the authorization notice for a utility model patent;
3. It takes about 12-15 months from the acceptance of the application to the issuance of the authorization notice for an invention patent. It takes three to four years.