MPEP § 2818 — Procedure after Conclusion of Supplemental Examination (Annotated Rules)

§2818 Procedure after Conclusion of Supplemental Examination

USPTO MPEP version: BlueIron's Update: 2025-12-31

This page consolidates and annotates all enforceable requirements under MPEP § 2818, including statutory authority, regulatory rules, examiner guidance, and practice notes. It is provided as guidance, with links to the ground truth sources. This is information only, it is not legal advice.

Procedure after Conclusion of Supplemental Examination

This section addresses Procedure after Conclusion of Supplemental Examination.

Key Rules

Topic

Reexamination Certificate

3 rules
StatutoryInformativeAlways
[mpep-2818-6cc3a1bc98c65eecc6e2c877]
Ex Parte Reexamination Ordered on SNQ
Note:
If a supplemental examination certificate indicates an SNQ, ex parte reexamination of the patent will be ordered under 35 U.S.C. 257.

If the supplemental examination certificate indicates that a SNQ is raised, ex parte reexamination of the patent will be ordered under 35 U.S.C. 257. See 37 CFR 1.625(b). An ex parte reexamination ordered as a result of a supplemental examination proceeding will be conducted in accordance with the existing rules governing ex parte reexamination, except that: (i) the patent owner will not have the right to file a patent owner statement; and (ii) the Office will address each SNQ without regard to whether it is raised by a patent or printed publication. See 37 CFR 1.625(d) and MPEP § 2818.01.

Jump to MPEP Source · 37 CFR 1.625(b)Reexamination CertificateConclusion of Ex Parte ReexaminationReexamination Order
StatutoryInformativeAlways
[mpep-2818-7cadd750b616bc77479643a3]
Ex Parte Reexamination Not Ordered If No SNQ Raised
Note:
If the supplemental examination certificate indicates no Substantial New Question is raised, ex parte reexamination will not be ordered under 35 U.S.C. 257.

If the supplemental examination certificate indicates that no SNQ is raised, ex parte reexamination will not be ordered under 35 U.S.C. 257. In this case, the electronically issued supplemental examination certificate will be published in due course by the Office’s patent publication process as an attachment to the patent. The fee for reexamination ordered as a result of supplemental examination, as set forth in 37 CFR 1.20(k)(2), will be refunded in accordance with 37 CFR 1.610(d). See MPEP § 2818.02.

Jump to MPEP Source · 37 CFR 1.20(k)(2)Reexamination CertificateConclusion of Ex Parte ReexaminationReexamination Order
StatutoryInformativeAlways
[mpep-2818-a9f425135a99fa981b50001b]
Supplemental Examination Certificate Must Be Published
Note:
The electronically issued supplemental examination certificate must be published as an attachment to the patent after the conclusion of the supplemental examination.

If the supplemental examination certificate indicates that no SNQ is raised, ex parte reexamination will not be ordered under 35 U.S.C. 257. In this case, the electronically issued supplemental examination certificate will be published in due course by the Office’s patent publication process as an attachment to the patent. The fee for reexamination ordered as a result of supplemental examination, as set forth in 37 CFR 1.20(k)(2), will be refunded in accordance with 37 CFR 1.610(d). See MPEP § 2818.02.

Jump to MPEP Source · 37 CFR 1.20(k)(2)Reexamination CertificateConclusion of Ex Parte ReexaminationSupplemental Examination Certificate
Topic

Reexamination Order

2 rules
StatutoryInformativeAlways
[mpep-2818-e1a513cbf86199fe04e6fb04]
Patent Owner Lacks Statement Right in Ex Parte Reexamination Ordered by Supplemental Exam
Note:
When ex parte reexamination is ordered due to a supplemental examination, the patent owner cannot file a statement and the Office must address all SNQs regardless of source.

If the supplemental examination certificate indicates that a SNQ is raised, ex parte reexamination of the patent will be ordered under 35 U.S.C. 257. See 37 CFR 1.625(b). An ex parte reexamination ordered as a result of a supplemental examination proceeding will be conducted in accordance with the existing rules governing ex parte reexamination, except that: (i) the patent owner will not have the right to file a patent owner statement; and (ii) the Office will address each SNQ without regard to whether it is raised by a patent or printed publication. See 37 CFR 1.625(d) and MPEP § 2818.01.

Jump to MPEP Source · 37 CFR 1.625(b)Reexamination OrderPatent Owner StatementEx Parte Reexamination
StatutoryInformativeAlways
[mpep-2818-5ef4f51f70539caefb8c49d3]
Fee for Ex Parte Reexamination Ordered After Supplemental Exam Will Be Refunded
Note:
The fee for ex parte reexamination ordered as a result of supplemental examination will be refunded according to the specified conditions.

If the supplemental examination certificate indicates that no SNQ is raised, ex parte reexamination will not be ordered under 35 U.S.C. 257. In this case, the electronically issued supplemental examination certificate will be published in due course by the Office’s patent publication process as an attachment to the patent. The fee for reexamination ordered as a result of supplemental examination, as set forth in 37 CFR 1.20(k)(2), will be refunded in accordance with 37 CFR 1.610(d). See MPEP § 2818.02.

Jump to MPEP Source · 37 CFR 1.20(k)(2)Reexamination OrderPost-Issuance & Maintenance FeesMaintenance Fee Amounts

Citations

Primary topicCitation
Reexamination Certificate
Reexamination Order
35 U.S.C. § 257
Reexamination Certificate
Reexamination Order
37 CFR § 1.20(k)(2)
Reexamination Certificate
Reexamination Order
37 CFR § 1.610(d)
Reexamination Certificate
Reexamination Order
37 CFR § 1.625(b)
Reexamination Certificate
Reexamination Order
37 CFR § 1.625(d)
Reexamination Certificate
Reexamination Order
MPEP § 2818.01
Reexamination Certificate
Reexamination Order
MPEP § 2818.02

Source Text from USPTO’s MPEP

This is an exact copy of the MPEP from the USPTO. It is here for your reference to see the section in context.

BlueIron Last Updated: 2025-12-31