[Code of Federal Regulations] [Title 37, Volume 1] [Revised as of July 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 37CFR1.6] [Page 15-17] TITLE 37--PATENTS, TRADEMARKS, AND COPYRIGHTS CHAPTER I--UNITED STATES PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE PART 1_RULES OF PRACTICE IN PATENT CASES--Table of Contents Subpart A_General Provisions Sec. 1.6 Receipt of correspondence. (a) Date of receipt and Express Mail date of deposit. Correspondence received in the Patent and Trademark Office is stamped with the date of receipt except as follows: (1) The Patent and Trademark Office is not open for the filing of correspondence on any day that is a Saturday, Sunday, or Federal holiday within the District of Columbia. Except for correspondence transmitted by facsimile under paragraph (a)(3) of this section, or filed electronically under paragraph (a)(4) of this section, no correspondence is received in the Office on Saturdays, Sundays, or Federal holidays within the District of Columbia. (2) Correspondence filed in accordance with Sec. 1.10 will be stamped with the date of deposit as ``Express Mail'' with the United States Postal Service. (3) Correspondence transmitted by facsimile to the Patent and Trademark Office will be stamped with the date on which the complete transmission is received in the Patent and Trademark Office unless that date is a Saturday, Sunday, or Federal holiday within the District of Columbia, in which case the date stamped will be the next succeeding day which is not a Saturday, Sunday, or Federal holiday within the District of Columbia. (4) Correspondence may be submitted using the Office electronic filing system only in accordance with the Office electronic filing system requirements. Correspondence submitted to the Office [[Page 16]] by way of the Office electronic filing system will be accorded a receipt date, which is the date the correspondence is received at the correspondence address for the Office set forth in Sec. 1.1 when it was officially submitted. (b) [Reserved] (c) Correspondence delivered by hand. In addition to being mailed, correspondence may be delivered by hand during hours the Office is open to receive correspondence. (d) Facsimile transmission. Except in the cases enumerated below, correspondence, including authorizations to charge a deposit account, may be transmitted by facsimile. The receipt date accorded to the correspondence will be the date on which the complete transmission is received in the United States Patent and Trademark Office, unless that date is a Saturday, Sunday, or Federal holiday within the District of Columbia. See Sec. 1.6(a)(3). To facilitate proper processing, each transmission session should be limited to correspondence to be filed in a single application or other proceeding before the United States Patent and Trademark Office. The application number of a patent application, the control number of a reexamination proceeding, the interference number of an interference proceeding, or the patent number of a patent should be entered as a part of the sender's identification on a facsimile cover sheet. Facsimile transmissions are not permitted and if submitted, will not be accorded a date of receipt, in the following situations: (1) Correspondence as specified in Sec. 1.4(e), requiring an original signature; (2) Certified documents as specified in Sec. 1.4(f); (3) Correspondence which cannot receive the benefit of the certificate of mailing or transmission as specified in Sec. 1.8(a)(2)(i)(A) through (D) and (F), and Sec. 1.8(a)(2)(iii)(A), except that a continued prosecution application under Sec. 1.53(d) may be transmitted to the Office by facsimile; (4) Color drawings submitted under Sec. Sec. 1.81, 1.83 through 1.85, 1.152, 1.165, 1.173, or 1.437; (5) A request for reexamination under Sec. 1.510 or Sec. 1.913; (6) Correspondence to be filed in a patent application subject to a secrecy order under Sec. Sec. 5.1 through 5.5 of this chapter and directly related to the secrecy order content of the application; (7)-(8) [Reserved] (9) In contested cases before the Board of Patent Appeals and Interferences except as the Board may expressly authorize. (e) [Reserved] (f) Facsimile transmission of a patent application under Sec. 1.53(d). In the event that the Office has no evidence of receipt of an application under Sec. 1.53(d) (a continued prosecution application) transmitted to the Office by facsimile transmission, the party who transmitted the application under Sec. 1.53(d) may petition the Director to accord the application under Sec. 1.53(d) a filing date as of the date the application under Sec. 1.53(d) is shown to have been transmitted to and received in the Office, (1) Provided that the party who transmitted such application under Sec. 1.53(d): (i) Informs the Office of the previous transmission of the application under Sec. 1.53(d) promptly after becoming aware that the Office has no evidence of receipt of the application under Sec. 1.53(d); (ii) Supplies an additional copy of the previously transmitted application under Sec. 1.53(d); and (iii) Includes a statement which attests on a personal knowledge basis or to the satisfaction of the Director to the previous transmission of the application under Sec. 1.53(d) and is accompanied by a copy of the sending unit's report confirming transmission of the application under Sec. 1.53(d) or evidence that came into being after the complete transmission and within one business day of the complete transmission of the application under Sec. 1.53(d). (2) The Office may require additional evidence to determine if the application under Sec. 1.53(d) was transmitted to and received in the Office on the date in question. (g) Submission of the national stage correspondence required by Sec. 1.495 via the Office electronic filing system. In the event that the Office has no evidence of receipt of the national stage correspondence required by Sec. 1.495, which was submitted to the Office by the Office electronic filing system, the party who [[Page 17]] submitted the correspondence may petition the Director to accord the national stage correspondence a receipt date as of the date the correspondence is shown to have been officially submitted to the Office. (1) The petition of this paragraph (g) requires that the party who submitted such national stage correspondence: (i) Informs the Office of the previous submission of the correspondence promptly after becoming aware that the Office has no evidence of receipt of the correspondence under Sec. 1.495; (ii) Supplies an additional copy of the previously submitted correspondence; (iii) Includes a statement that attests on a personal knowledge basis, or to the satisfaction of the Director, that the correspondence was previously officially submitted; and (iv) Supplies a copy of an acknowledgment receipt generated by the Office electronic filing system, or equivalent evidence, confirming the submission to support the statement of paragraph (g)(1)(iii) of this section. (2) The Office may require additional evidence to determine if the national stage correspondence was submitted to the Office on the date in question. [58 FR 54501, Oct. 22, 1993; 58 FR 64154, Dec. 6, 1993; 61 FR 56447, Nov. 1, 1996; 62 FR 53180, Oct. 10, 1997; 64 FR 48917, Sept. 8, 1999; 65 FR 54657, Sept. 8, 2000; 65 FR 76772, Dec. 7, 2000; 68 FR 14336, Mar. 25, 2003; 68 FR 48288, Aug. 13, 2003; 69 FR 49997, Aug. 12, 2004; 69 FR 56536, Sept. 21, 2004; 72 FR 2775, Jan. 23, 2007]