Where the Patent Reexamination Board decides to hold an oral procedure in respect of a request for invalidation,it shall send notifications to the parties concerned,indicating the date and place of the oral procedure to be held.

• 专利复审委员会决定对无效宣告请求进行口头审理的，应当向当事人发出口头审理通知书，告知举行口头审理的日期和地点。