[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: 37CFR41.10] [Page 387] TITLE 37--PATENTS, TRADEMARKS, AND COPYRIGHTS CHAPTER I--UNITED STATES PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE PART 41_PRACTICE BEFORE THE BOARD OF PATENT APPEALS AND INTERFERENCES--Table of Contents Subpart A_General Provisions Sec. 41.10 Correspondence addresses. Except as the Board may otherwise direct, (a) Appeals. Correspondence in an application or a patent involved in an appeal (subparts B and C of this part) during the period beginning when an appeal docketing notice is issued and ending when a decision has been rendered by the Board, as well as any request for rehearing of a decision by the Board, shall be mailed to: Board of Patent Appeals and Interferences, United States Patent and Trademark Office, PO Box 1450, Alexandria, Virginia 22313-1450. Notices of appeal, appeal briefs, reply briefs, requests for oral hearing, as well as all other correspondence in an application or a patent involved in an appeal to the Board for which an address is not otherwise specified, should be addressed as set out in Sec. 1.1(a)(1)(i) of this title. (b) Contested cases. Mailed correspondence in contested cases (subpart D of this part) shall be sent to Mail Stop INTERFERENCE, Board of Patent Appeals and Interferences, United States Patent and Trademark Office, PO Box 1450, Alexandria, Virginia 22313-1450.