[Code of Federal Regulations] [Title 37, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 37CFR104.2] [Page 416] TITLE 37--PATENTS, TRADEMARKS, AND COPYRIGHTS CHAPTER I--UNITED STATES PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE PART 104--LEGAL PROCESSES--Table of Contents Subpart A--General Provisions Sec. 104.2 Address for mail and service; telephone number. (a) Mail under this part should be addressed to General Counsel, United States Patent and Trademark Office, P.O. Box 15667, Arlington, VA 22215. (b) Service by hand should be made during business hours to the Office of the General Counsel, Crystal Park Two, Suite 905, 2121 Crystal Drive, Arlington, Virginia. (c) The Office of the General Counsel may be reached by telephone at 703-308-2000 during business hours.