CFR›Title 37›Chapter I›Part 42›Subpart D ContainsSections 42.300–42.304CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart D—Transitional Program for Covered Business Method Patents Sections 42.300 § 42.300 Procedure; pendency. 42.301 § 42.301 Definitions. 42.302 § 42.302 Who may petition for a covered business method patent review. 42.303 § 42.303 Time for filing. 42.304 § 42.304 Content of petition. Source77 FR 48731, Aug. 14, 2012, unless otherwise noted. Previous C Subpart C—Post-Grant Review Next E Subpart E—Derivation