A.29 (7) Where an application that claims or could have claimed the priority of an earlier application has a filing date that is later than the date on which the priority period expired, the Registrar shall, within two months from that date, upon request being filed as prescribed, restore the right of priority if the request states the reasons for the failure to comply with the priority period. (8) The Registrar shall restore the right of priority where he or she finds out that the failure to file the subsequent application within the priority period occurred in spite of due care required by the circumstances having been taken. (9) Where a copy of an earlier application required under subsection (2) is not filed within the prescribed time limit by an applicant, the Registrar may, upon a request being filed by the applicant as prescribed, restore the right of priority if that request is filed within the time limit for filing such copy, provided that — (a) the Registrar is satisfied that a request to obtain the copy was filed with the Office that received the earlier application not later than 14 months from the date of filing of that earlier application; and (b) a copy of the earlier application is filed with the Registrar within one month from having been obtained from the said Office. (10) Any request under this section shall be subject to payment of the prescribed fees by the applicant. 18. (1) At any time before the grant or refusal of a patent, an applicant for a patent may, upon payment of the prescribed fee convert his or her application for a patent into an application for a utility model certificate. (2) No person may convert an application under subsection (1) more than once. 19. (1) An applicant shall indicate in the application for a patent the date and the number of other applications filed by him or her or his or her predecessor in title outside Botswana relating to the same or essentially the same invention as that claimed in the application filed in Botswana. (2) The applicant shall, when requested by the Registrar, furnish the following documents relating to any of the applications referred to in subsection (1) — (a) a copy of any communication received by the applicant concerning the results of any search or examination carried out in respect of such application; (b) a copy of the patent or other title of protection granted in respect of such application; (c) a copy of the final decision rejecting the application or refusing the grant requested in respect of the application; and (d) a copy of the final decision revoking or invalidating the patent or other title of protection granted in respect of such application. Conversion of patent application into application for utility model certificate Information concerning corresponding foreign applications for patents