Legal basis: Article 4 of the Regulations on Administrative Reconsideration of China National Intellectual Property Administration, except as otherwise provided in Article 5 of these Regulations, may apply for administrative reconsideration in accordance with the law in any of the following circumstances: (1) Being dissatisfied with the specific administrative act of China National Intellectual Property Administration on patent application and patent right; (2) Refusing to accept the specific administrative act made by China National Intellectual Property Administration concerning the application for registration of layout design of integrated circuits and the exclusive right of layout design; (3) Refusing to accept the decision on the procedures of patent reexamination and invalidation made by the Patent Reexamination Board of the State Intellectual Property Office; (four) refuses to accept the specific administrative act of patent agency management made by China National Intellectual Property Administration; (five) that other specific administrative acts made by China National Intellectual Property Administration infringe upon their legitimate rights and interests.