[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: 37CFR41.63] [Page 401-402] 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. 41.63 Amendments and affidavits or other evidence after appeal. (a) Amendments filed after the date of filing an appeal pursuant to Sec. 41.61 canceling claims may be admitted where such cancellation does not affect the scope of any other pending claim in the proceeding. (b) All other amendments filed after the date of filing an appeal pursuant to Sec. 41.61 will not be admitted except as permitted by Sec. 41.77(b)(1). [[Page 402]] (c) Affidavits or other evidence filed after the date of filing an appeal pursuant to Sec. 41.61 will not be admitted except as permitted by reopening prosecution under Sec. 41.77(b)(1).