(a) The filing date of a request for inter partes reexamination is the date on which the request satisfies all the requirements for the request set forth in Sec. 1.915.
(b) If the request is not granted a filing date, the request will be placed in the patent file as a citation of prior art if it complies with the requirements of Sec. 1.501. [65 FR 76777, Dec. 7, 2000, as amended at 71 FR 9262, Feb. 23, 2006]