The trademark applicant submits the trademark application documents to the Korean Intellectual Property Office, and the trademark registrar conducts an official review of the trademark application. The official review is divided into two forms, namely formal review and substantive review. The formal review is a legal review of the submitted application documents, trademark drawings, power of attorney and other documents; if they meet the regulations, the application date and application number will be awarded. Substantive examination refers to the examination of the distinctiveness of the trademark itself, whether it complies with legal regulations, and whether it conflicts with prior rights. After passing the substantive examination, the Intellectual Property Office will issue an approval notice to the trademark that is deemed to comply with the legal provisions; the trademark that is approved for announcement will be published in the officially published "Trademark Announcement". If no one raises an objection within 30 days, the trademark will be The trademark will be registered.