CFR›Title 37›Chapter I›Part 42›Subpart C ContainsSubject groups After Institution of Post-Grant Review–Instituting Post-Grant ReviewCorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart C—Post-Grant Review Subject Groups After Institution of Post-Grant Review After Institution of Post-Grant Review Sections 42.220–42.224 General General Sections 42.200–42.207 Instituting Post-Grant Review Instituting Post-Grant Review Section 42.208 Source77 FR 48729, Aug. 14, 2012, unless otherwise noted. Previous B Subpart B—<em>Inter Partes</em> Review Next D Subpart D—Transitional Program for Covered Business Method Patents