8 or inventor’s certificate that has been granted, may request restoration of such right if he furnishes proof relating to his failure to comply. (2) Examination of the request shall be subject to prior payment of the fee before the Agency acts and takes a decision. (3) An appeal shall lie from refusal by the Agency to restore lost rights to the court competent for the headquarters of the Agency. Section 5 Assignment and Transfer of Rights, Licenses 34.—(1) A patent application or a patent may be assigned inter vivos or transferred on death. (2) Any transfer of rights, in part or in whole, whether temporarily or definitively, deriving from a patent application or a patent shall be recorded in writing and bear the legalized signature of the parties concerned. (3) Notwithstanding the provisions of the Code of Registration and Stamps, any document drawn up in accordance with paragraph (2) may only be invoked against others if it has been recorded with the Agency. (4) The contract shall enter into force only after an examination of advisability leading to a favorable decision by the competent authority. 35.—(1) The applicant or patentee may, by contract, grant a license to work his invention to another person or enterprise. (2) Should the national market be insufficiently supplied or certain external outlets arise for exploitation of the invention, the licensor may, unless he has granted an exclusive license, sign a number of contracts, that will be examined in accordance with the provisions of Article 34(4). (3) The licensee shall be entitled to work the invention during the period of time stipulated in the contract. Should he be prevented from so doing, he shall inform the authority thereof, giving reasons for his incapability. (4) The licensee may not grant sublicenses. Subcontracting under his direct responsibility may not be interpreted as a sublicensing agreement. 36.—(1) Any interested natural or legal person may request, on the expiry of a period of four years as from the filing date of the patent application or three years as from the date of grant of the patent, the period of time that expires last being applied, from the competent court the grant of a compulsory license, against fair and equitable remuneration, on one or more of the following grounds: (i) the patented invention has not been worked or has been insufficiently worked within the country; (ii) the patentee refuses to grant licenses under reasonable conditions; (iii) working of the patented invention within the country does not satisfy, under reasonable conditions, demand for the product.