PART 41—PRACTICE BEFORE THE BOARD OF PATENT APPEALS AND INTERFERENCES
- SUBPART A—General Provisions (§41.1 to §41.20)
- SUBPART B—Ex Parte Appeals (§41.30 to §41.56)
- SUBPART C—Inter Partes Appeals (§41.60 to §41.81)
- SUBPART D—Contested Cases (§41.100 to §41.158)
- SUBPART E—Patent Interferences (§41.200 to §41.208)