Court may order patentee fo grant licences, Applic. for regis- tration. Documents fo accom, pany apple cation, Ch. 31. No. 18.) Patents, Designs dnd Trade Marks. (2) But the officers or authorities administering any departinent of the service of the Crown may, by themselves their agents, contractors, or others, at any time after the Application, use the invention for the services of the Crown on terms to be before or after the use thereof agreed on with the approval of the Governor between those officers or authorities and the patentee, or in default of such agree- ment, on such terms as may be settled by the Governor. 13. {f, on the petition of any person interested, it is proved that by reason of the default of a patentee to grant licences on reasonable terms (a) an invention is vot being worked in the Colony, (2) the reasonable requirements of the public with respect to the invention cannot be supplied, or (c) any person is prevented from working or using to the best advantage an invention of which he is possessed, the Court may order the patentee to grant licences on such terms, and may enforce such order in such manner, as it shall think fit. 14. Tf a patent is lost or destroyed, or its non-production is accounted for to the satisfaction of the Registrar, the Registrar may at any time cause a duplicate thereof to be issucd. C nited Kingdom patents. 15. Any person being the grantee of a United Kingdom patent, or any person deriving | his right from such grantee by assignment, transmission, or other operation of law, may apply Within three vears from the date of issue of such patent to have such patent registered in the Colony. Where any partial assignment or transmission has been made, all proper partie. shall be joined in the application for regis- tration, 16. (1) Every application under the last preceding section shall be accompanied by two certified copies of the specification or specifications (including drawing. , if any) of the United Kingdom patent and a certificate of the Comp-