Negarit Gazeta - 2. No. 25 - The patentee shall lOth May 1995 - work the Page 225 invention in a scale which is adequate and reasonable in the circumstances. 28. Reference The provisions of the section here in above shall apply, mutatis mutandis, to patents of introduction. Section 7 Compulsory License 29. Application f'lr a Compulsory License 1. The patentee whose invention cannot be worked ef­ fectivdywithout the invention patented earlier may apply for a compulsory license to use the earlier in­ vention. 2. The earfier patentee whose invention cannot he work­ ed effectively without the later invention may apply for a compulsory license to use the later invention. -3.-Any-pOrsoii-WliO-ls ·cap.a1iIe·of working ;-p~t~ted-·i~- vention may apply for a compulsory license, where the patentee fails, without legitimate reason to justify his inaction, to work his invention in Ethiopia, after the expiration of a period of three years from the date of grant of the patent or four years from the date of filing of the patent application which ever expires last. 30. Grant of Compulsory License 1. Where the Commission finds the request to be satis­ factory, it shall grant a compulsory license. 2. The grant of a compulsory license shall not exclude the exploitation of the invention, the conclusion of license contracts by the patent or the owner of the grant of other compulsory licenses. 3. The decision made by the Commission to grant a compulsory license shall be registered and announced in the official gazette. 31. Proof Required of the Applicant The person requesting for a compulsory license to exploit an invention shall furnish proof that he has not been able to conclude a license contract with the patentee for the ex­ ploitation of the invention on reasonable terms. 32. Limitation of Rights of Licensee 1. Any person who is granted compulsory license for the exploitation of a patented invention shall not have an exclusive right of over the invention and shall not have a right to authorize exploitation by any other person. 2. The Iicensee shall have the right to exploit the pat­ ented invention in Ethiopia according to the terms set out in the decision- granting the license, and shall commence the working of the patented invention with­ in the time limit fixed in the said decision.