Intellectual Property Case Adjudication Rules Article 30

Where, in regard to issues of validity of patent or trademark rights, a party fails to make a preliminary showing of the factors mentioned in the proviso of Paragraph 7, Article 18 of the Act and presents the means of attack or defense beyond the prescribed time limit, the court may amend the trial plan in accordance with Paragraph 4, Article 18 of the Act if the opposing party agrees to present its arguments against such means of attack or defense.
中文原文 智慧財產案件審理細則第30條
專利權、商標權之權利有效性爭點,當事人未能釋明本法第十八條第七項但書之事由,逾期提出攻擊或防禦方法,經他造同意就該攻擊或防禦方法為辯論時,法院得依本法第十八條第四項規定變更審理計畫事項。

English translation for reference only; the Chinese text prevails. Not legal advice.