Act 3 Industrial Property Act 2014 (12) Where subsection (2) applies only to some of the claims or some parts of a claim, or some parts of a registered industrial design only those claims or parts may be revoked or invalidated by the court. (13) The court may require the owner of the patent, the utility model or the industrial design registration certificate to submit to it for the purposes of examination, the registration certificate, publications and other documents showing the prior art which has been referred to either in connection with an application for a title to the patent, the utility model or the industrial design filed, for the same or essentially the same invention or design by the owner with any other national or regional industrial property office, or in connection with any proceedings relating to the registration of the patent, utility model or the industrial design or other title or protection granted upon such application. (14) The notice of the application referred to in subsection (1) shall be served on any licensee under the patent, the utility model or the industrial design and that person is entitled to join in the proceedings in the absence of any provision to the contrary in the licence contract. (15) Where, before or during the proceedings, it is alleged or it appears to the court that the right to the patent, the utility model or the industrial design belongs to a person who is not a party to the proceedings, notice of the application referred to in subsection (1) shall be served on that person and that person is entitled to join in the proceedings. 91. Effect of revocation or invalidation (1) A revoked or an invalidated patent, a utility model or an industrial design or claim or part of a claim of a registered industrial design shall be regarded from the date of the grant of the patent or certificate of registration for the utility model or the industrial design to have ceased to have effect. (2) Where the decision of the court is no longer subject to appeal, the court shall inform the registrar who shall immediately register it and publish it as soon as possible in the Gazette. 75