mesne agreementglossary / MESNE AGREEMENT mesne agreement. A transfer of intellectual-property rights through an intermediary, usu. an assignee, rather than directly from the property’s creator. 词条贡献者 译员蓉婧,欧洲知名商学院国际金融专业,专注翻译各种与美国证券法律有关的法律文件。