42.     Applicability of provisions relating to patents

            The provisions of Part II and III, except section 22 (2), shall with necessary modifications apply to utility model certificates and applications.

43.     Duration of utility model certificate

            A utility model certificate shall expire seven years after the filing date of the application.

44.     Conversion of application for utility model certificate into application for patent

            (1) At any time before the grant or refusal of a utility model certificate, an applicant may, upon payment of the prescribed fee, convert his or her application for a utility model certificate into an application for a patent, and the latter application shall be accorded the filing date of the initial application.

            (2) No person may convert an application under subsection (1) more than once.