Section 42.23 - Oppositions, replies, and sur-replies(a) Oppositions, replies, and sur-replies must comply with the content requirements for motions and, if the paper to which the opposition, reply, or sur-reply is responding contains a statement of material fact, must include a listing of facts that are admitted, denied, or cannot be admitted or denied. Any material fact not specifically denied may be considered admitted.(b) All arguments for the relief requested in a motion must be made in the motion. A reply may only respond to arguments raised in the corresponding opposition, patent owner preliminary response, patent owner response, or decision on institution. A sur-reply may only respond to arguments raised in the corresponding reply and may not be accompanied by new evidence other than deposition transcripts of the cross-examination of any reply witness. 85 FR 79128 , Dec. 9, 2020 81 FR 18765 , 4/1/2016; 85 FR 79128 , 1/8/2021