MPEP § 1442.01 — Litigation-Related or PTAB Trial-Related Reissues (Annotated Rules)

§1442.01 Litigation-Related or PTAB Trial-Related Reissues

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

This page consolidates and annotates all enforceable requirements under MPEP § 1442.01, 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.

Litigation-Related or PTAB Trial-Related Reissues

This section addresses Litigation-Related or PTAB Trial-Related Reissues. Primary authority: 37 CFR 1.136(b) and 37 CFR 1.136(a). Contains: 4 guidance statements, 5 permissions, and 3 other statements.

Key Rules

Topic

Disclosure of Litigation

9 rules
StatutoryPermittedAlways
[mpep-1442-01-505a2411a61129216114a28d]
Examiner May Inquire About Litigation Details for Reissue Examination
Note:
The examiner can ask additional questions about the litigation if it is relevant to examining a reissue application.

If additional details of the litigation appear to be material to examination of the reissue application, the examiner may make such additional inquiries as necessary and appropriate.

Jump to MPEP SourceDisclosure of LitigationStatutory Authority for ExaminationReissue and Litigation
StatutoryRecommendedAlways
[mpep-1442-01-a040e7c0619abb4a3a6949b8]
Examiner Must Note Litigation on Reissue Application
Note:
The examiner must annotate the bibliographic data sheet with notice of any litigation or PTAB trial if not already noted.

For reissue application files that are maintained in the Image File Wrapper (IFW) system, if the existence of litigation or PTAB trial has not already been noted, the examiner should annotate the printed bibliographic data sheet such that adequate notice is provided of the existence of the litigation or PTAB trial.

Jump to MPEP SourceDisclosure of LitigationReissue and LitigationReissue Patent Practice
StatutoryInformativeAlways
[mpep-1442-01-83236e63eccf42410d85dcdd]
Response Period for Reissues During Litigation
Note:
Applicants must respond within 2 months to Office actions in reissue applications during or after litigation, with extensions possible upon clear justification.

Applicants will normally be given 2 months to reply to Office actions in all reissue applications that are being examined during litigation or PTAB trial, or after litigation or PTAB trial had been stayed, dismissed, etc., to allow for consideration of the reissue by the Office. This 2-month period may be extended only upon a showing of clear justification under 37 CFR 1.136(b). The Office action will inform applicant that the provisions of 37 CFR 1.136(a) are not available. Of course, up to 3 months may be initially set for reply if the examiner, consulting with their supervisor, determines such a period is clearly justified.

Jump to MPEP Source · 37 CFR 1.136(b)Disclosure of LitigationReissue and LitigationReissue Patent Practice
StatutoryPermittedAlways
[mpep-1442-01-5b022e5a67e3cb75ae232f3f]
2-Month Reply Period May Be Extended With Clear Justification
Note:
Applicants must show clear justification under 37 CFR 1.136(b) to extend the 2-month reply period for reissue applications during or after litigation or PTAB trials.

Applicants will normally be given 2 months to reply to Office actions in all reissue applications that are being examined during litigation or PTAB trial, or after litigation or PTAB trial had been stayed, dismissed, etc., to allow for consideration of the reissue by the Office. This 2-month period may be extended only upon a showing of clear justification under 37 CFR 1.136(b). The Office action will inform applicant that the provisions of 37 CFR 1.136(a) are not available. Of course, up to 3 months may be initially set for reply if the examiner, consulting with their supervisor, determines such a period is clearly justified.

Jump to MPEP Source · 37 CFR 1.136(b)Disclosure of LitigationReissue and LitigationReissue Patent Practice
StatutoryInformativeAlways
[mpep-1442-01-ea0794b34e4450b5709d1c51]
Provisions of 37 CFR 1.136(a) Not Available
Note:
The Office will inform applicants that they cannot use the provisions of 37 CFR 1.136(a) to extend the response period for reissue applications related to litigation or PTAB trials.

Applicants will normally be given 2 months to reply to Office actions in all reissue applications that are being examined during litigation or PTAB trial, or after litigation or PTAB trial had been stayed, dismissed, etc., to allow for consideration of the reissue by the Office. This 2-month period may be extended only upon a showing of clear justification under 37 CFR 1.136(b). The Office action will inform applicant that the provisions of 37 CFR 1.136(a) are not available. Of course, up to 3 months may be initially set for reply if the examiner, consulting with their supervisor, determines such a period is clearly justified.

Jump to MPEP Source · 37 CFR 1.136(b)Disclosure of LitigationReissue and LitigationReissue Patent Practice
StatutoryPermittedAlways
[mpep-1442-01-354099c116acaa5ee122e4fc]
Examiner May Set Up to 3 Months for Reply
Note:
The examiner, with supervisor approval, may set an initial reply period of up to 3 months if deemed clearly justified.

Applicants will normally be given 2 months to reply to Office actions in all reissue applications that are being examined during litigation or PTAB trial, or after litigation or PTAB trial had been stayed, dismissed, etc., to allow for consideration of the reissue by the Office. This 2-month period may be extended only upon a showing of clear justification under 37 CFR 1.136(b). The Office action will inform applicant that the provisions of 37 CFR 1.136(a) are not available. Of course, up to 3 months may be initially set for reply if the examiner, consulting with their supervisor, determines such a period is clearly justified.

Jump to MPEP Source · 37 CFR 1.136(b)Disclosure of LitigationReissue and LitigationReissue Patent Practice
MPEP GuidanceRecommendedAlways
[mpep-1442-01-e32ab087aab6ddd94352068a]
Examiner Must Determine PTAB Litigation Status During Reissue Review
Note:
The examiner must check if the patent for which a reissue is filed is involved in any litigation or pending trial before the PTAB and determine its status.

During initial review, the examiner should determine whether the patent for which the reissue has been filed is involved in litigation or a pending trial before the Patent Trial and Appeal Board (PTAB), and if so, the status of that litigation or pending trial before the PTAB.

Jump to MPEP SourceDisclosure of LitigationPTAB JurisdictionReissue and Litigation
MPEP GuidanceRecommendedAlways
[mpep-1442-01-1ee9157fa4e6ff69c75f89e9]
Examiner Must Check MPEP for Litigation
Note:
The examiner must first check MPEP § 1442.02 when aware of litigation involving a reissued patent during examination.

If the examiner becomes aware of litigation involving the patent sought to be reissued during examination of the reissue application, the examiner should first check MPEP § 1442.02 to determine whether prosecution in the reissue application should be suspended. If prosecution will not be suspended, and applicant has not made the details regarding that litigation of record in the reissue application, the examiner, in the next Office action, will inquire regarding the specific details of the litigation.

Jump to MPEP SourceDisclosure of LitigationStatutory Authority for ExaminationReissue and Litigation
MPEP GuidanceInformativeAlways
[mpep-1442-01-69891aa78d726525d5027f01]
Examiner to Inquire About Specific Litigation Details
Note:
If prosecution is not suspended and applicant has not disclosed the details of litigation, examiner will request specific information in the next Office action.

If the examiner becomes aware of litigation involving the patent sought to be reissued during examination of the reissue application, the examiner should first check MPEP § 1442.02 to determine whether prosecution in the reissue application should be suspended. If prosecution will not be suspended, and applicant has not made the details regarding that litigation of record in the reissue application, the examiner, in the next Office action, will inquire regarding the specific details of the litigation.

Jump to MPEP SourceDisclosure of LitigationReissue and LitigationExamination Procedures
Topic

PTAB Jurisdiction

2 rules
StatutoryPermittedAlways
[mpep-1442-01-07349b9179fa5a7976aad504]
Examiner Must Use PTAB’s Electronic File System for Status Checks
Note:
Examiners must check the status of pending trials before the PTAB through the electronic file system accessible on www.uspto.gov.

For any pending trial before the PTAB, the examiner may view the status by using the PTAB’s electronic file system accessible from www.uspto.gov. The PTAB (as delegated by the Director) may exercise exclusive jurisdiction within the Office over every application and patent that is involved in a pending trial before it. Therefore, prior to acting on the application, the examiner should ensure that the PTAB has not suspended the reissue application.

Jump to MPEP SourcePTAB JurisdictionPTAB Contested Case ProceduresEx Parte Appeals to PTAB
StatutoryRecommendedAlways
[mpep-1442-01-9f609f0c9256248d91a45de7]
Examiner Must Check PTAB Status Before Acting
Note:
The examiner must ensure the PTAB has not suspended a reissue application before proceeding with any actions on it.

For any pending trial before the PTAB, the examiner may view the status by using the PTAB’s electronic file system accessible from www.uspto.gov. The PTAB (as delegated by the Director) may exercise exclusive jurisdiction within the Office over every application and patent that is involved in a pending trial before it. Therefore, prior to acting on the application, the examiner should ensure that the PTAB has not suspended the reissue application.

Jump to MPEP SourcePTAB JurisdictionPTAB Contested Case ProceduresReissue Application Filing
Topic

Ex Parte Appeals to PTAB

1 rules
MPEP GuidancePermittedAlways
[mpep-1442-01-fc83d6d209e4d0c587e16c5c]
Form Paragraph 14.06 for Inquiry Allowed
Note:
Permits the use of form paragraph 14.06 in certain inquiries related to litigation or PTAB trial reissues.

Form paragraph 14.06 may be used for such an inquiry.

Jump to MPEP SourceEx Parte Appeals to PTAB

Examiner Form Paragraphs

Examiner form paragraphs are standard language that you might see in an Office Action or communication from the USPTO. Examiners have latitude to change the form paragraphs, but you will often see this exact language.

¶ 14.06 ¶ 14.06 Litigation-Related Reissue

The patent sought to be reissued by this application [1] involved in litigation. Any documents and/or materials which would be material to patentability of this reissue application are required to be made of record in response to this action.

Due to the related litigation status of this application, EXTENSIONS OF TIME UNDER THE PROVISIONS OF 37 CFR 1.136(a) WILL NOT BE PERMITTED DURING THE PROSECUTION OF THIS APPLICATION.

Examiner Note

In bracket 1, insert either —is— or —has been—.

Citations

Primary topicCitation
Disclosure of Litigation37 CFR § 1.136(a)
Disclosure of Litigation37 CFR § 1.136(b)
Disclosure of LitigationMPEP § 1442.02
Ex Parte Appeals to PTABForm Paragraph § 14.06

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