and carries out his profession in Rwanda, having acquired an average expertise and experience in the technical field of the claimed invention of utility model. The empowered authority may, at any time before the grant of the patent of utility model, require the description in foreign patent applications to be adapted to the ordinary skill in the art of the citizens of Rwanda, or any person with habitual residence in Rwanda and carries out his profession in Rwanda, so as to ensure technology transfer and dissemination. Article 67: Claims of novelty of a utility model The claims of novelty of utility model shall define the scope of the desired protection and the protection for an invention of utility model shall be determined by the content of the claims of novelty of utility model. The claims of novelty of utility model shall be clear and concise. The claims shall be based entirely on the description of the innovation. The description and drawings may be used to interpret the claims of novelty of utility model. Article 68: Abstract The abstract shall be used exclusively for technical information purposes; it shall not, in particular, be taken into consideration when assessing the scope of protection. Article 69: Unity of innovation The application may relate to one invention of utility model only or to a group of inventions so linked as to form a single general inventive concept of utility model. The fact that a patent of utility model has been granted on the basis of an application not satisfying the rule of unity of invention of utility model shall not serve as grounds for canceling the patent of utility model. Article 70: Amendment and division of the application for examination Until such a time as it is observed that the application meets the requirements for the grant of the patent of utility model, the applicant may amend the application, but the amendment may not go beyond the disclosure of the description of the novelty of utility model as it appears in the original application. Until such a time as it is observed that the application meets the requirements for the grant of the patent of utility model, the applicant may divide the application into more than one application, known as “divisional applications”, but no divisional application may go beyond the disclosure as it appears in the original application. Each divisional application shall enjoy the filing date and, where appropriate, the priority date of the original application. Article 71: Right of priority The application may contain a declaration in which is claimed, in accordance with Paris Convention or a bilateral, regional, or multilateral convention to which the Republic of