secondary inventionglossary / SECONDARY INVENTION secondary invention. Patents. An invention that uses or incorporates established elements or combinations to achieve a new and useful result. [Cases: Patents 174. C.J.S. Patents § 308.] 词条贡献者 资深译员David,毕业于亚洲顶尖的高级翻译学院,擅长翻译有关汽车业的法律文件。