Madrid Protocol Concerning the International Registration of Marks. Details Publication date2 February 2021 Related links http://ipvietnam.gov.vn/web/english/news-events/-/asset_publisher/ZMuTgR44COLR/content/amendments-to-the-regulations-under-the-protocol-relating-to-the-madrid-agreement-concerning-the-international-registration-of-marks-in-force-as-from-