Rule 94 Where the applicant for a patent for invention has not been granted a patent right within two years from the date of filing,it or he shall pay a fee for the maintenance of the application from the third year.

• 第九十四条 发明专利申请人自申请日起满2年尚未被授予专利权的，自第三年度起应当缴纳申请维持费。