Last, the writer introduces the qualifying clause of license contract.

再来介绍知识产权许可合同之限制性条款.

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A trademark license contract recordation with the Trademark Office cannot be used against any third parties.

商标使用许可合同未在商标局备案的,不得对抗善意第三人.

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Copyright collective management organization must not conclude exclusive license contract with the users.

著作权集体管理组织不得与使用者订立专有许可使用合同.

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