patent license contract meaning in English

专利许可合同

A patent licensing contract is only valid during the term of the patent
第三百四十四条专利实施许可合同只在该专利权的存续期间内有效。
Where the term of the patent expires or the patent is invalidated , the patentee may not enter into a patent licensing contract with any other person in respect thereof
专利权有效期限届满或者专利权被宣布无效的，专利权人不得就该专利与他人订立专利实施许可合同。
The transferor under a patent licensing contract shall , in accordance with the contract , license the patent to the transferee , deliver the technical materials related to the exploitation of the patent , and provide the necessary technical guidance
第三百四十五条专利实施许可合同的让与人应当按照约定许可受让人实施专利，交付实施专利有关的技术资料，提供必要的技术指导。
The transferee under a patent licensing contract shall exploit the patent in accordance with the contract and may not license the patent to any third person except as provided in the contract ; and shall pay the licensing fee in accordance with the contract
第三百四十六条专利实施许可合同的受让人应当按照约定实施专利，不得许可约定以外的第三人实施该专利；并按照约定支付使用费。