When a certificate of registration is originally issued, the Office issues with the certificate a notice of the requirement for filing the affidavit or declaration of use or excusable nonuse under section 8 or section 71 of the Act. However, the affidavit or declaration must be filed within the time period required by section 8 or section 71 of the Act even if this notice is not received.
37 C.F.R. §2.162
Part 3 pertaining to both patents and trademarks is placed in the grouping pertaining to patents regulations.
Part 4 is placed in the separate grouping of parts pertaining to patents regulations.
Part 5 is placed in the separate grouping of parts pertaining to patents regulations.