CFR›Title 37›Chapter I›Part 2›Subject Group Cancellation Proceedings Before the Trademark Trial and Appeal Board ContainsSections 2.111–2.115CorpusDaily eCFRDisplayed edition2026-10-26Last updated2026-10-26 Sections 2.111 § 2.111 Filing petition for cancellation. 2.112 § 2.112 Contents of petition for cancellation. 2.113 § 2.113 Notification of cancellation proceeding. 2.114 § 2.114 Answer. 2.115 § 2.115 Amendment of pleadings in a cancellation proceeding. Previous Cancellation for Failure To File Affidavit or Declaration Cancellation for Failure To File Affidavit or Declaration Next Certificate Certificate