Except as provided in § 2.27(e) , documents filed in the Office by the applicant or registrant become part of the official record and will not be returned or removed.
37 C.F.R. §2.25
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.