and... What is the procedure for invalidation of a trade mark? 질문 보기... 상표 무효화 절차는 상표를 사용하지 않은 경우에만 특허청에 신청할 수 있습니다. In respect of proceedings with the BOIP, it is noted that invalidation of a trade mark can only be requested in case of nonuse of a trade mark.. Who can commence invalidation proceedings?