1.919—Filing date of request for inter partes reexamination.
(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 § 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 § 1.501.