[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: 37CFR41.66]

[Page 402]
 
              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 C_Inter Partes Appeals
 
Sec. 41.66  Time for filing briefs.

    (a) An appellant's brief must be filed no later than two months from 
the latest filing date of the last-filed notice of appeal or cross 
appeal or, if any party to the proceeding is entitled to file an appeal 
or cross appeal but fails to timely do so, no later than two months from 
the expiration of the time for filing (by the last party entitled to do 
so) such notice of appeal or cross appeal. The time for filing an 
appellant's brief or an amended appellant's brief may not be extended.
    (b) Once an appellant's brief has been properly filed, any brief 
must be filed by respondent within one month from the date of service of 
the appellant's brief. The time for filing a respondent's brief or an 
amended respondent's brief may not be extended.
    (c) The examiner will consider both the appellant's and respondent's 
briefs and may prepare an examiner's answer under Sec. 41.69.
    (d) Any appellant may file a rebuttal brief under Sec. 41.71 within 
one month of the date of the examiner's answer. The time for filing a 
rebuttal brief or an amended rebuttal brief may not be extended.
    (e) No further submission will be considered and any such submission 
will be treated in accordance with Sec. 1.939 of this title.