The Office will send the registrant a notice of publication of the mark and of the requirement for filing the affidavit or declaration required by section 8 of the Act.
37 C.F.R. §2.155
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.