宣告专利权无效 meaning in English
to declare the patent right invalid
Examples
- Article 64 anyone requesting invalidation or partial invalidation of a patent right in accordance with article 45 of the patent law shall submit a written request and necessary supporting documents in duplicate to the patent re - examination board
第六十四条依照专利法第四十五条的规定，请求宣告专利权无效或者部分无效的，应当向专利复审委员会提交专利权无效宣告请求书和必要的证据一式两份。