Trademarks, and service(Trademark hereinafter)marks may be protected in the Republic of Korea under the Trademark Act; and for such protection, marks should be registered with the Korean Intellectual Property Office ("KIPO"). The use of a trademark is not a prerequisite for filing an application for the registration of a trademark. Unregistered marks are not protected under the Trademark Act, although the owner of a well-known or famous mark is given some protection under the Trademark Act by way of preventing others from obtaining a trademark registration for an identical or similar mark. There is no course of action against infringement of a well-known or famous unregistered trademark under the Trademark Act, but an action may be brought under the Unfair Competition Prevention Act. The Korean Trademark Law is characterized by : First-to-File Rule; Substantial Examination Pre-grant Opposition     Full name, address and nationality of the applicant Class and Designated goods to be protected Specimen of the mark A power of attorney simply signed by the applicant (Use of a General Power of Attorney is recommended.) A certified copy of the priority document, if claimed