37 CFR 2.25: Documents not returnable
Taken from the USPTO’s TM Federal Statutes and Rules, Last Revised in January 2018
§2.25 Documents not returnable.
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.
[Amended 73 FR 67759, Nov. 17, 2008, effective Jan. 16, 2009]