MPEP § 818.01(c) — Traverse is Required To Preserve Right of Petition (Annotated Rules)

§818.01(c) Traverse is Required To Preserve Right of Petition

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

This page consolidates and annotates all enforceable requirements under MPEP § 818.01(c), 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.

Traverse is Required To Preserve Right of Petition

This section addresses Traverse is Required To Preserve Right of Petition. Primary authority: 37 CFR 1.181 and 37 CFR 1.144. Contains: 2 requirements, 2 permissions, and 1 other statement.

Key Rules

Topic

Election Requirement (MPEP 808, 818)

2 rules
StatutoryRequiredAlways
[mpep-818-01-c-7cf9e3e68644f24c7d8b6c68]
Traverse Must Identify Errors
Note:
The applicant must distinctly and specifically point out all errors in a timely filed traverse to preserve the right to petition from restriction requirements.

To preserve the right to petition from the requirement for restriction, including an election of species requirement, all errors to be relied upon in the petition must be distinctly and specifically pointed out in a timely filed traverse by the applicant. The petition may be deferred until after final action on or allowance of the claims to the elected invention. In any event, the petition must not be filed later than the filing date of the notice of appeal. If applicant does not distinctly and specifically point out supposed errors in the restriction requirement, the election should be treated as an election without traverse and be so indicated to the applicant by use of form paragraph 8.25.02.

Jump to MPEP Source · 37 CFR 1.144Election Requirement (MPEP 808, 818)Petition for Improper RestrictionReconsideration and Petition (MPEP 818.03)
StatutoryPermittedAlways
[mpep-818-01-c-c5d912b1adbb248f4bb70132]
Petition Can Be Delayed Until Claims Are Finalized
Note:
A petition to address errors in a restriction requirement can be deferred until after the claims for the elected invention are finally acted upon or allowed.

To preserve the right to petition from the requirement for restriction, including an election of species requirement, all errors to be relied upon in the petition must be distinctly and specifically pointed out in a timely filed traverse by the applicant. The petition may be deferred until after final action on or allowance of the claims to the elected invention. In any event, the petition must not be filed later than the filing date of the notice of appeal. If applicant does not distinctly and specifically point out supposed errors in the restriction requirement, the election should be treated as an election without traverse and be so indicated to the applicant by use of form paragraph 8.25.02.

Jump to MPEP Source · 37 CFR 1.144Election Requirement (MPEP 808, 818)Petition for Improper RestrictionReconsideration and Petition (MPEP 818.03)
Topic

Maintenance Fee Payment

1 rules
StatutoryPermittedAlways
[mpep-818-01-c-27f3d5795cc02acd0aca7c44]
Petition to Review Requirement After Final Action
Note:
An applicant may petition the Director to review a restriction requirement after final action, provided they have replied to any other required actions and requested reconsideration.

After a final requirement for restriction, the applicant, in addition to making any reply due on the remainder of the action, may petition the Director to review the requirement. Petition may be deferred until after final action on or allowance of claims to the invention elected, but must be filed not later than appeal. A petition will not be considered if reconsideration of the requirement was not requested (see § 1.181).

Jump to MPEP Source · 37 CFR 1.181Maintenance Fee PaymentRestriction and Election Practice (MPEP Chapter 800)Ex Parte Appeals to PTAB
Topic

Ex Parte Appeals to PTAB

1 rules
StatutoryRequiredAlways
[mpep-818-01-c-cdda95597ee4a409c565f9a1]
Petition for Review Must Be Filed Before Appeal
Note:
The petition to review a requirement for restriction must be filed before an appeal and can only be deferred until after the final action on or allowance of claims elected.

After a final requirement for restriction, the applicant, in addition to making any reply due on the remainder of the action, may petition the Director to review the requirement. Petition may be deferred until after final action on or allowance of claims to the invention elected, but must be filed not later than appeal. A petition will not be considered if reconsideration of the requirement was not requested (see § 1.181).

Jump to MPEP Source · 37 CFR 1.181Ex Parte Appeals to PTABRestriction and Election Practice (MPEP Chapter 800)Maintenance Fee Payment
Topic

Restriction and Election Practice (MPEP Chapter 800)

1 rules
StatutoryInformativeAlways
[mpep-818-01-c-15d1a3e83da41d62fbbc328c]
Petition Must Follow Restriction Requirement
Note:
A petition to review a restriction requirement must be filed before appeal and cannot be considered if reconsideration was not requested.

After a final requirement for restriction, the applicant, in addition to making any reply due on the remainder of the action, may petition the Director to review the requirement. Petition may be deferred until after final action on or allowance of claims to the invention elected, but must be filed not later than appeal. A petition will not be considered if reconsideration of the requirement was not requested (see § 1.181).

Jump to MPEP Source · 37 CFR 1.181Restriction and Election Practice (MPEP Chapter 800)Ex Parte Appeals to PTABMaintenance Fee Payment
Topic

Notice of Appeal Filing

1 rules
StatutoryProhibitedAlways
[mpep-818-01-c-6adf54312b0771b5448e296a]
Petition Must Be Filed Before Notice of Appeal
Note:
The petition must be filed before the notice of appeal to preserve the right to petition from restriction requirements.

To preserve the right to petition from the requirement for restriction, including an election of species requirement, all errors to be relied upon in the petition must be distinctly and specifically pointed out in a timely filed traverse by the applicant. The petition may be deferred until after final action on or allowance of the claims to the elected invention. In any event, the petition must not be filed later than the filing date of the notice of appeal. If applicant does not distinctly and specifically point out supposed errors in the restriction requirement, the election should be treated as an election without traverse and be so indicated to the applicant by use of form paragraph 8.25.02.

Jump to MPEP Source · 37 CFR 1.144Notice of Appeal FilingNotice of AppealEx Parte Appeals to PTAB
Topic

Election Without Traverse

1 rules
StatutoryRecommendedAlways
[mpep-818-01-c-7a3ab02b51b27e1d6a37be4b]
No Distinct Errors Must Be Pointed Out
Note:
If applicant fails to distinctly and specifically point out supposed errors in the restriction requirement, it will be treated as an election without traverse.

To preserve the right to petition from the requirement for restriction, including an election of species requirement, all errors to be relied upon in the petition must be distinctly and specifically pointed out in a timely filed traverse by the applicant. The petition may be deferred until after final action on or allowance of the claims to the elected invention. In any event, the petition must not be filed later than the filing date of the notice of appeal. If applicant does not distinctly and specifically point out supposed errors in the restriction requirement, the election should be treated as an election without traverse and be so indicated to the applicant by use of form paragraph 8.25.02.

Jump to MPEP Source · 37 CFR 1.144Election Without TraverseRestriction Requirement (MPEP 802-803)Restriction and Election Practice (MPEP Chapter 800)

Citations

Primary topicCitation
Ex Parte Appeals to PTAB
Maintenance Fee Payment
Restriction and Election Practice (MPEP Chapter 800)
37 CFR § 1.181
Election Requirement (MPEP 808, 818)
Election Without Traverse
Notice of Appeal Filing
Form Paragraph § 8.25.02

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