Enforcement Rules of the Patent Act Article 72
Where an invalidation action is initiated, for an invention or a utility model, the invalidation statement prescribed under Paragraph 1, Article 73 of the Act shall state the objective to revoke all or parts of the claims; where an invalidation action is initiated against parts of the claims, the claim(s) against which the invalidation action is initiated shall be specifically identified; for a design, the invalidation statement shall state the objective to revoke the patent right of the design.The reasons of invalidation prescribed under Paragraph 1, Article 73 of the Act shall state the ground(s) asserted by the invalidation action and specific facts, as well as explain the relationship between the respective specific facts and the evidence.