Yonsei University’s UI is an official symbol representing the university and is protected by trademark registration. It may not be used for commercial purposes. Any unauthorized commercial use may constitute a violation of applicable laws and regulations. In addition, agencies contracted by the university are required to request the relevant files through the authorized department in charge, such as an approved student association (alumni association) or the official event organizing body. The files must be used only for the approved purposes, and should be promptly discarded after use.