37 C.F.R. § 1.919 Filing date of request for inter partes reexamination.
Title 37 - Patents, Trademarks, and Copyrights
(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. [65 FR 76777, Dec. 7, 2000, as amended at 71 FR 9262, Feb. 23, 2006]
Title 37: Patents, Trademarks, and Copyrights
PART 1—RULES OF PRACTICE IN PATENT CASES
Subpart H—
Requirements for Inter Partes Reexamination Proceedings
§ 1.919 Filing date of request for