Click Here & Upgrade PDF Complete Expanded Features Unlimited Pages Documents 55. Such opposition shall be lodged on Form P15, which shall, if necessary, be accompanied by any documents to be relied upon and, if any other party is involved in the matter, copies of Form P15 and the documents shall be served upon him and proof of service furnished to the satisfaction of the registrar. 56. Any person who may wish to become a party to the proceedings may, within two months of the date of the notification or date advertisement in the journal or within any such extended period as may be allowed by the registrar file a reply on Form P15, accompanied by the relevant documents. Form P15 and the relevant documents shall be served on the other party in the matter and proof of service furnished to the satisfaction of the registrar. 57. When a reply has been filed or the period for filing thereof has expired and a reply has not been filed, the registrar may appoint a time and date for himself to determine the matter and notify the parties of the time and date thus appointed. 58. Title to and interest in inventions, patent applications and patents An application for the recording of an assignment shall be made in duplicate on Form P16 accompanied by proof of title of such assignment. 59. Any such application shall be made within six months of the event entitling the applicant to request a recording: Provided that the registrar may extend this time limit if so requested on Form P4, and on payment of the fee prescribed in item 4(r) of Schedule 1. 60. A warrant or writ of execution or an attachment order in respect of a patent application or a patent shall be served at the address for service of the applicant or the patentee and a copy shall be lodged with the registrar on Form P16 for recording in the register. 61. An entry of any attachment may be removed from the register on a request made to the registrar on Form P4. 62. An application to record a licence against a patent shall be made on Form P16 within six months of the event entitling the recording of such licence, or within six months of the grant of the patent, if the licence agreement was before such grant: Provided that the registrar may extend this time limit on application on Form P4 and on payment of the fee prescribed in item 4 (r) of Schedule 1. 63. The recording of a licence may be cancelled on request to the registrar on Form P4 accompanied by proof, to the satisfaction of the registrar, that the licence has been cancelled or otherwise terminated. 64. (1) The hypothecation of a patent application shall be recorded in the register on application on Form P16 accompanied by the deed of hypothecation. (2) The application shall also be served on the applicant or the patentee, as the case may be, and any other person recorded in the patent, and proof of service shall be furnished to the satisfaction of the registrar. 65. The recording of the hypothecation may be removed from the register on application to the registrar on Form P4, accompanied by such proof of the termination of the hypothecation as the registrar may require. 66. Endorsement or cancellation of endorsement on patent An application for the endorsement or the cancellation of an endorsement of the words 'licences of right', in terms of sections 53 and 54 of the Act, shall be made on Form P4 within two months after the date giving rise to such endorsement or cancellation thereof.