818 No. 40 of 2016] Right of priority Patents (5) In determining whether an invention claimed in an application is based on matter disclosed in a prior application for a grant of a patent, or a prior application in a convention country, regard shall be had to the disclosures contained in all documents lodged at the same time as, and in support of, that prior application in a convention country. 42. (1) An application for a grant of a patent, accompanied by a complete specification, may claim priority from— (a) the date of filing of a prior application for the grant of a patent relating to the same subject matter of an invention, accompanied by a provisional specification; (b) the date of filing of a prior application for the grant of a patent relating to the same subject matter of an invention, accompanied by a complete specification; or (c) the date of filing an application for the grant of a patent in a convention country relating to the same subject matter, except that— (i) in the case of an application for the grant of a patent claiming priority in terms of paragraph (a) or (b), the prior application was lodged not earlier than twelve months before payment of the prescribed fee or not earlier than fifteen months before the date of the application claiming priority; (ii) in the case of an application for the grant of a patent claiming priority in terms of paragraph (c), the application in the convention country was lodged not earlier than twelve months before the convention application and was the first application in any convention country in respect of the invention; or (iii) the applicant, in the application for the grant of a patent claiming priority, is the owner of the prior application for the grant of a patent referred to in paragraph (a) or (b) or of the application in the convention country referred to in paragraph (c) or the applicant has acquired the right to claim priority in Zambia. (2) Where a subsequent application for the grant of a patent is filed in a convention country following an earlier application in respect of the same invention, such subsequent application shall be