비자(사증), 국적, 영주권, 난민, 외국인 체류(연장, 자격변경), 출입국사범 구제, 출입국관련 각종 소송(출국명령처분 취소소송, 강제퇴거명령처분 취소소송, 외국인 이혼 소송, 외국인 민사,형사 소송)업무
Visa, Long term visa (Release of visa issuance certificate), Foreigner sojourn (Extension of stay, and change of status), Assisting immigration law violators, Various immigration related lawsuits(Filing a lawsuit for the cancellation of departure order, Filing a lawsuit for the cancellation of deportation order, Filing a divorce lawsuit for a foreign national, Civil or criminal lawsuit for a foreign national)