Intellectual Property Case Adjudication Rules Article 59
The court may overrule pursuant to Paragraph 2, Article 196 of the Code of Civil Procedure the means of attack or defense over whether an intellectual property right shall be cancelled or revoked or over an amendment of patent claims, if conclusion of the action is impeded by a party's attempt to defer the proceeding or by a party's delay in filing its means of attack and defense out of gross negligence.