prosecution lachesglossary / prosecution laches Patents. In a claim for patent infringement, the equitable defense that the patentee did not timely enforce the patent rights. 词条贡献者 译者大智,毕业于一所旨在培养高级翻译专业人才的翻译院校,擅长翻译各种与环境保护相关的法律文件。