Intellectual Property Case Adjudication Act Article 12
A case as in Paragraph 1 of Article 10 is invalid unless the litigation is conducted by an agent ad litem, unless otherwise stipulated.For the filing of an action, appeal, motion, or interlocutory appeal, if no agent ad litem is appointed in accordance with the Paragraph 1 or 5 of Article 10, or if the one appointed in accordance with Paragraph 5 is deemed inappropriate by the court, the presiding judge shall order rectification be made within a prescribed time limit, and shall dismiss the action, appeal, motion, or interlocutory appeal by a ruling if no rectification is made within the prescribed time limit and no motion as in Paragraph 1 of the preceding article is made.The presiding judge shall first order rectification be made within a prescribed time limit if the defendant, appellee, or respondent fails to appoint an agent ad litem in accordance with Paragraph 1 or 5 of Article 10 or appoints one in accordance with Paragraph 5 that is deemed inappropriate by the Court.If a party rectifies in accordance with the preceding two paragraphs, its litigation is ratified by its agent ad litem with effect from the time of the litigation retroactively, and from the time of ratification if rectification is made beyond the prescribed time limit.