Trademark Act Article 47
Extinguishment of registrationRight of a registered trademark shall become extinguished under any of the following:(1)Where the right is not renewed pursuant to Article 34, such right shall become extinguished from the day following the date of expiry of the period of such right.(2)Where the proprietor of such trademark dies with no successor, such right shall become extinguished from the day following the date of death of such proprietor; or(3)Where the right is abandoned pursuant to Article 45, such right shall become extinguished from the date of receipt of a written statement on the abandonment at the Registrar Office.