Where a person who follows trademark-related procedures fails to observe the any of the following periods in extenuating circumstances, he or she may subsequently complete the procedures within two months from the date such grounds cease to exist: Provided, That the foregoing shall not apply where one year has elapsed from the expiration date of the period:
1. Period for requesting a trial against a decision to dismiss an amendment under Article 115;
2. Period for requesting a trial against a decision to reject under Article 116;
3. Period for requesting a retrial under Article 159 (1).