[Code of Federal Regulations]
[Title 37, Volume 1]
[Revised as of July 1, 1999]
From the U.S. Government Printing Office via GPO Access
[CITE: 37CFR1.1]

[Page 10-11]
 
             TITLE 37--PATENTS, TRADEMARKS, AND COPYRIGHTS
 
    CHAPTER I--PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE
 
PART 1--RULES OF PRACTICE IN PATENT CASES--Table of Contents
 
                      Subpart A--General Provisions
 
Sec. 1.1  Addresses for correspondence with the Patent and Trademark Office.

                 General Information and Correspondence


    (a) Except for Sec. 1.1(a)(3) (i) and (ii), all correspondence 
intended for the Patent and Trademark Office must be addressed to either 
``Commissioner of Patents and Trademarks, Washington, DC 20231'' or to 
specific areas within the Office as set out in paragraphs (a) (1), (2) 
and (3)(iii) of this section. When appropriate, correspondence should 
also be marked for the attention of a particular office or individual.
    (1) Patent correspondence. All correspondence concerning patent 
matters processed by organizations reporting to the Assistant 
Commissioner for Patents should be addressed to ``Assistant Commissioner 
for Patents, Washington, DC 20231.''
    (2) Trademark correspondence. All correspondence concerning 
trademark matters, except for trademark-related documents sent to the 
Assignment Division for recordation and requests for certified and 
uncertified copies of trademark application and registration documents, 
should be addressed to ``Assistant Commissioner for Trademarks, 2900 
Crystal Drive, Arlington, Virginia 22202-3513.'' This includes 
correspondence intended for the Trademark Trial and Appeal Board.
    (3) Office of Solicitor correspondence. (i) Correspondence relating 
to pending litigation required by court rule or order to be served on 
the Solicitor shall be hand-delivered to the Office of the Solicitor or 
shall be mailed to: Office of the Solicitor, P.O. Box 15667, Arlington, 
Virginia 22215; or such other address as may be designated in writing in 
the litigation. See Secs. 1.302(c) and 2.145(b)(3) for filing a notice 
of appeal

[[Page 11]]

to the U.S. Court of Appeals for the Federal Circuit.
    (ii) Correspondence relating to disciplinary proceedings pending 
before an Administrative Law Judge or the Commissioner shall be mailed 
to: Office of the Solicitor, P.O. Box 16116, Arlington, Virginia 22215.
    (iii) All other correspondence to the Office of the Solicitor shall 
be addressed to: Box 8, Commissioner of Patents and Trademarks, 
Washington, DC 20231.
    (iv) Correspondence improperly addressed to a Post Office Box 
specified in paragraphs (a)(3) (i) and (ii) of this section will not be 
filed elsewhere in the Patent and Trademark Office, and may be returned.
    (b) Letters and other communications relating to international 
applications during the international stage and prior to the assignment 
of a national serial number should be additionally marked ``Box PCT.''
    (c) Requests for reexamination should be additionally marked ``Box 
Reexam.''
    (d) Payments of maintenance fees in patents and other communications 
relating thereto should be additionally marked ``Box M. Fee.''
    (e) Communications relating to interferences and applications or 
patents involved in an interference should be additionally marked ``BOX 
INTERFERENCE.''
    (f) All applications for extension of patent term and any 
communications relating thereto intended for the Patent and Trademark 
Office should be additionally marked ``Box Patent Ext.'' When 
appropriate, the communication should also be marked to the attention of 
a particular individual, as where a decision has been rendered.
    (g) [Reserved]
    (h) In applications under section 1(b) of the Trademark Act, 15 
U.S.C. 1051(b), all statements of use filed under section 1(d) of the 
Act, and requests for extensions of time therefor, should be 
additionally marked ``Box ITU.''
    (i) The filing of all provisional applications and any 
communications relating thereto should be additionally marked ``Box 
Provisional Patent Application.''
    Note: Sections 1.1 to 1.26 are applicable to trademark cases as well 
as to national and international patent cases except for provisions 
specifically directed to patent cases. See Sec. 1.9 for definitions of 
``national application'' and ``international application.''

(Pub. L. 94-131, 89 Stat. 685)

[46 FR 29181, May 29, 1981, as amended at 49 FR 34724, Aug. 31, 1984; 49 
FR 48451, Dec. 12, 1984; 52 FR 9394, Mar. 24, 1987; 53 FR 16413, May 9, 
1988; 54 FR 37588, Sept. 11, 1989; 60 FR 20220, Apr. 25, 1995; 61 FR 
56446, Nov. 1, 1996]