A: The following cases apply.

  1. In the event that the holder of trademark right has not paid the fee for maintenance or renewal by the prescribed date
  2. In the event that the holder of trademark right has not declared waiver of rights granted by protection certificate
  3. In the event that there is no holder of trademark right or the company does not engage in business without a legal successor
  4. In the event that the registered trademark has not been used for 5 years continuously by the holder of trademark right or its holder without justification