Article 125
(1) A patent application or a patent may be subject to a license contract.
(2) A license may be issued as exclusive license or non- exclusive license. Unless otherwise agreed in the contract, the license is non-exclusive. In non-exclusive license agreements; the licensor may use the invention that is the subject of the patent himself, as well as he may issue other licenses to third parties related to the same invention. When the exclusive license is the subject, licensor can not issue licenses to others; and he can not use the invention that is the subject of the patent, unless clearly reserving his rights.
(3) Unless otherwise agreed in the contract; the licensees can not transfer their license rights to third parties or can not issue sub-licenses.
(4) Unless otherwise agreed in the contract; a contractual licensee may make any disposals related to use of the invention that is the subject of the patent in the course of patent protection. The licensee shall be obliged to comply with the conditions specified in the license contract. Otherwise, the patentee may use his rights generated from the patent against the licensee.