supplemental declarationglossary / SUPPLEMENTAL DECLARATION supplemental declaration. Patents. A sworn document, filed after the U.S. Patent and Trademark Office allows a patent’s issuance. See PATENT APPLICATION. 词条贡献者 译者晓琳,法学硕士(国际争议解决方向),擅长翻译各种与复杂跨境争议相关的法律文件。