Part 42. PART 42—TRIAL PRACTICE BEFORE THE PATENT TRIAL AND APPEAL BOARD

• SUBPART A [§ 42.1 - § 42.80] - Subpart A—Trial Practice and Procedure
• SUBPART B [§ 42.100 - § 42.123] - Subpart B—Inter Partes Review
• SUBPART C [§ 42.200 - § 42.224] - Subpart C—Post-Grant Review
• SUBPART D [§ 42.300 - § 42.304] - Subpart D—Transitional Program for Covered Business Method Patents
• SUBPART E [§ 42.400 - § 42.412] - Subpart E—Derivation