(1) Raising objections to trademarks that have not been initially approved and announced by the Trademark Office.

(2) Exceeding the objection period stipulated by law.

(3) There is no clear request and factual basis in the trademark opposition application.

(4) Failure to pay the trademark opposition fee within the prescribed time limit.

(5) Failure to make corrections within the prescribed time limit or failure to make corrections as required.