37 C.F.R. § 1.79 Reservation clauses not permitted.
Title 37 - Patents, Trademarks, and Copyrights
A reservation for a future application of subject matter disclosed but not claimed in a pending application will not be permitted in the pending application, but an application disclosing unclaimed subject matter may contain a reference to a later filed application of the same applicant or owned by a common assignee disclosing and claiming that subject matter.
Title 37: Patents, Trademarks, and Copyrights
PART 1—RULES OF PRACTICE IN PATENT CASES
Subpart B—National Processing Provisions
Specification
§ 1.79 Reservation clauses not permitted.
