CFR›Title 37›Chapter I›Part 2›Subject Group Post Notice of Allowance ContainsSections 2.88–2.89CorpusDaily eCFRDisplayed edition2026-05-12Last updated2026-05-12 Sections 2.88 § 2.88 Statement of use after notice of allowance. 2.89 § 2.89 Extensions of time for filing a statement of use. Previous Petitions and Action by the Director Petitions and Action by the Director Next Procedure in <em>Inter Partes</em> Proceedings Procedure in <em>Inter Partes</em> Proceedings