37 C.F.R. § 1.145 Subsequent presentation of claims for different invention.
Title 37 - Patents, Trademarks, and Copyrights
If, after an office action on an application, the applicant presents claims directed to an invention distinct from and independent of the invention previously claimed, the applicant will be required to restrict the claims to the invention previously claimed if the amendment is entered, subject to reconsideration and review as provided in §§1.143 and 1.144.
Title 37: Patents, Trademarks, and Copyrights
PART 1—RULES OF PRACTICE IN PATENT CASES
Subpart B—National Processing Provisions
Joinder of Inventions in One Application; Restriction
§ 1.145 Subsequent presentation of claims for different invention.
