MPEP § 1901.06 — Office Treatment of Protest (Annotated Rules)

§1901.06 Office Treatment of Protest

USPTO MPEP version: BlueIron's Update: 2026-01-17

This page consolidates and annotates all enforceable requirements under MPEP § 1901.06, 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.

Office Treatment of Protest

This section addresses Office Treatment of Protest. Primary authority: 35 U.S.C. 122(c), 37 CFR 1.291(a), and 37 CFR 1.291. Contains: 6 requirements, 3 prohibitions, 3 guidance statements, 6 permissions, and 5 other statements.

Key Rules

Topic

Examiner Action on Protest

18 rules
StatutoryRequiredAlways
[mpep-1901-06-24d3e8409169372ae9702b67]
Examiner Must Conduct Normal Examination Despite Protest
Note:
The examiner must still conduct a thorough examination on the merits, including required searches, even if one or more protests have been filed in an original or reissue application.

Office practice as defined in 37 CFR 1.291(a) gives recognition to the value of the written protests in avoiding the issuance of invalid patents. However, the fact that one or more protests has been filed in an application, whether the application is an original application or a reissue application, does not relieve the examiner from conducting a normal examination on the merits, including the required search. Evidence submitted in a protest will be considered on the same basis as other ex parte evidence. In re Reuter, 651 F.2d 751, 758, 210 USPQ 249, 255 (CCPA 1981).

Jump to MPEP Source · 37 CFR 1.291(a)Examiner Action on ProtestProtest Handling ProcedureProtest Practice
StatutoryInformativeAlways
[mpep-1901-06-9eef935c5575ba9a10953bb5]
Protests Not Automatically Recorded
Note:
Protests must be reviewed by designated points of contact before being recorded in an application.

Protests will not be automatically made of record in an application. The Office has designated points of contact and established procedures for reviewing protests to determine if they are compliant with the relevant provisions of 37 CFR 1.291 before being made of record in an application. These procedures permit compliant protests to be entered into the record of the application and made available to the examiner for consideration as early as possible.

Jump to MPEP Source · 37 CFR 1.291Examiner Action on ProtestProtest PracticeProtest Timing Requirements
StatutoryInformativeAlways
[mpep-1901-06-4443c7a270125e0c7625a937]
Compliant Protests for Early Consideration by Examiner
Note:
These procedures allow compliant protests to be recorded and reviewed by the examiner as soon as possible.

Protests will not be automatically made of record in an application. The Office has designated points of contact and established procedures for reviewing protests to determine if they are compliant with the relevant provisions of 37 CFR 1.291 before being made of record in an application. These procedures permit compliant protests to be entered into the record of the application and made available to the examiner for consideration as early as possible.

Jump to MPEP Source · 37 CFR 1.291Examiner Action on ProtestProtest Handling ProcedureProtest Practice
StatutoryRecommendedAlways
[mpep-1901-06-b8b92714b15f3ba7d5f862fc]
Reissue Application Related to Pending Interference Must Be Referred
Note:
If a compliant protest is filed in a reissue application related to a patent involved in a pending interference or derivation proceeding, the application must be referred to the Office of Patent Legal Administration before the examiner considers the protest and acts on the application.

If a compliant protest is filed in a reissue application and the reissue application is related to a patent involved in a pending interference or derivation proceeding, such application should be referred to the Office of Patent Legal Administration before the examiner considers the protest and acts on the application.

Jump to MPEP SourceExaminer Action on ProtestProtest Handling ProcedureProtest Practice
StatutoryPermittedAlways
[mpep-1901-06-1dc8be34248fa3360cef26a9]
Minor Compliance Errors Allow Protest Entry
Note:
A protest that fails to meet some requirements may still be entered if the error is minor and does not cause ambiguity.

37 CFR 1.291(g) provides that a protest that fails to comply with 37 CFR 1.291(b) or (c) may not be entered. A protest that is non-compliant with some requirement of 37 CFR 1.291(b) or (c), may be entered into the record if the reviewer determines that the error is of such a minor character that, in the opinion of the Office, it does not raise an ambiguity as to the content of the protest. For example, if an error with respect to a requirement of 37 CFR 1.291(c) is of such a nature that the content of the protest can still be readily ascertained (e.g., a U.S. patent is identified by the correct patent number and issue date but the name of the first named inventor is clearly misspelled), the Office may have enough information to be able to enter the protest into the record despite the error. However, the determination of whether to enter or not to enter a protest that partially complies with a requirement of 37 CFR 1.291(b) or (c) will be made on a case-by-case basis and at the sole discretion of the Office (e.g., the Office may decline to enter a protest listing a U.S. patent whose patent number does not match Office records with respect to that patent number’s issue date and/or first named inventor). In any event, the Office will either enter or not enter the entire protest and will not attempt to enter portions of partially compliant protests, except as noted in the paragraph below.

Jump to MPEP Source · 37 CFR 1.291(g)Examiner Action on ProtestProtest PracticePrior Art Submissions in Protests
StatutoryInformativeAlways
[mpep-1901-06-26f0a7b8b61fb03e5550ee91]
Entire Protest Must Be Entered Or Not
Note:
The Office must either enter the entire protest or reject it entirely, not attempting to partially enter a protest with minor compliance issues.

37 CFR 1.291(g) provides that a protest that fails to comply with 37 CFR 1.291(b) or (c) may not be entered. A protest that is non-compliant with some requirement of 37 CFR 1.291(b) or (c), may be entered into the record if the reviewer determines that the error is of such a minor character that, in the opinion of the Office, it does not raise an ambiguity as to the content of the protest. For example, if an error with respect to a requirement of 37 CFR 1.291(c) is of such a nature that the content of the protest can still be readily ascertained (e.g., a U.S. patent is identified by the correct patent number and issue date but the name of the first named inventor is clearly misspelled), the Office may have enough information to be able to enter the protest into the record despite the error. However, the determination of whether to enter or not to enter a protest that partially complies with a requirement of 37 CFR 1.291(b) or (c) will be made on a case-by-case basis and at the sole discretion of the Office (e.g., the Office may decline to enter a protest listing a U.S. patent whose patent number does not match Office records with respect to that patent number’s issue date and/or first named inventor). In any event, the Office will either enter or not enter the entire protest and will not attempt to enter portions of partially compliant protests, except as noted in the paragraph below.

Jump to MPEP Source · 37 CFR 1.291(g)Examiner Action on ProtestProtest PracticePrior Art Submissions in Protests
StatutoryRecommendedAlways
[mpep-1901-06-8e670cb2112fadb80d0bb263]
Examiner Must Consult on Non-Compliant Protest Document
Note:
An examiner must consult with the protest reviewer if a document in a protest is deemed non-compliant, and should strike through the document if it’s not to be considered.

In the unlikely event an examiner believes a protest is non-compliant, the examiner should immediately consult the reviewer of the protest or other appropriate Technology Center point of contact. If as a result of such consultation it is determined that the examiner should not consider a listed document, the examiner should strike through the document to indicate that the examiner did not consider either the document or its accompanying concise explanation. In some instances, the stricken document may be cited by the examiner on a form PTO-892.

Jump to MPEP SourceExaminer Action on ProtestProtest Handling ProcedureProtest Practice
StatutoryPermittedAlways
[mpep-1901-06-69661f936ddee62bb763c502]
Examiner May Cite Stricken Document on PTO-892
Note:
If an examiner determines a stricken document should not be considered, they may still cite it on form PTO-892.

In the unlikely event an examiner believes a protest is non-compliant, the examiner should immediately consult the reviewer of the protest or other appropriate Technology Center point of contact. If as a result of such consultation it is determined that the examiner should not consider a listed document, the examiner should strike through the document to indicate that the examiner did not consider either the document or its accompanying concise explanation. In some instances, the stricken document may be cited by the examiner on a form PTO-892.

Jump to MPEP SourceExaminer Action on ProtestProtest Handling ProcedureProtest Practice
StatutoryPermittedAlways
[mpep-1901-06-6591a384b8c3416423e3227f]
Examiner May Seek Applicant Comments Before Further Action on Protest
Note:
The examiner may request the applicant to provide comments on a protest before proceeding further, even if the initial review indicates it is ready for examination.

If the Office’s initial review reveals that the protest is ready for consideration during the examination, the examiner may nevertheless consider it desirable, or necessary, to obtain applicant’s comments on the protest before further action. In such situations, the examiner will offer applicant an opportunity to file comments within a set period, usually 1 month, unless circumstances warrant a longer period.

Jump to MPEP SourceExaminer Action on ProtestProtest Handling ProcedureProtest Practice
StatutoryInformativeAlways
[mpep-1901-06-b3c3d55f16c8cafa501102f4]
Examiner May Request Applicant Comments on Protest Within 1 Month
Note:
The examiner may request the applicant to provide comments on a protest within one month, unless circumstances require a longer period.

If the Office’s initial review reveals that the protest is ready for consideration during the examination, the examiner may nevertheless consider it desirable, or necessary, to obtain applicant’s comments on the protest before further action. In such situations, the examiner will offer applicant an opportunity to file comments within a set period, usually 1 month, unless circumstances warrant a longer period.

Jump to MPEP SourceExaminer Action on ProtestProtest Handling ProcedureProtest Practice
StatutoryProhibitedAlways
[mpep-1901-06-e413af381ed7f13205efbb96]
Primary Examiner Cannot Require Fraud Replies
Note:
The primary examiner is prohibited from asking for replies regarding fraud, inequitable conduct, or duty of disclosure issues since these are not typically commented on by the Office.

Where necessary or desirable to decide questions raised by the protest, under 37 CFR 1.291(f) the primary examiner can require the applicant to reply to the protest and answer specific questions raised by the protest. The primary examiner cannot require a reply to questions relating to “fraud,” “inequitable conduct,” or “violation of the duty of disclosure” since those issues are generally not commented on by the Office. Any questions directed to applicant by the primary examiner must be limited to seeking answers reasonably necessary in order for the primary examiner to decide questions raised by the protest and which are before the primary examiner for decision. The primary examiner is not permitted, under 37 CFR 1.291(f), to seek answers to questions which are not before the primary examiner for decision.

Jump to MPEP Source · 37 CFR 1.291(f)Examiner Action on ProtestProtestor LimitationsProtest Handling Procedure
StatutoryProhibitedAlways
[mpep-1901-06-b0c29746b73c16af58405f06]
Examiner Must Not Communicate During Protest
Note:
The examiner is prohibited from communicating with the protestor about any incomplete protest or Office proceedings, unless a later submission complies with specific requirements.

The examiner must not communicate with protestor in any way even if the protest is incomplete or the protestor inquires as to the status of any Office proceedings related to the protest. See 37 CFR 1.291. In addition, the examiner will not consider a later submission by protestor, unless such submission complies with 37 CFR 1.291(c)(5) (see MPEP § 1901.07). Improper protests will be returned to the protestor, or discarded, at the option of the Office. See 37 CFR 1.291(g).

Jump to MPEP Source · 37 CFR 1.291Examiner Action on ProtestProtest Handling ProcedureProtest Practice
StatutoryRecommendedAlways
[mpep-1901-06-fc371d19104d09dd9a6afc67]
Examiner Must Initial Checked References
Note:
The examiner must initial references checked on PTO-892 or PTO/SB/08A and 08B forms, or place a notation in the protest paper if not cited.

At least those prior art documents which the examiner relies on in rejecting claims will be made of record by means of form PTO-892, unless the protestor has listed such prior art or other documents on form PTO/SB/08A and 08B (or an acceptable substitute as provided by MPEP § 609.04(a)), in which case the examiner will place the examiner’s initials adjacent to the citations in the boxes provided on the form PTO/SB/08A and 08B (see MPEP § 609.04(a)). Where the prior art or other documents have not been cited on a PTO-892, or listed and initialed on a PTO/SB/08A and 08B, the examiner will place a notation in the protest paper adjacent to the reference to the documents. The notation should include the examiner’s initials and the term “checked.” The examiner will also indicate in the next Office action that all documents submitted have been considered.

Jump to MPEP SourceExaminer Action on ProtestProtest Handling ProcedurePTO-892 Notice of References Cited
StatutoryInformativeAlways
[mpep-1901-06-615aac4a04be7338f3dcd702]
Examiner Must Indicate All Documents Considered in Next Action
Note:
The examiner must indicate in the next Office action that all submitted documents have been considered.

At least those prior art documents which the examiner relies on in rejecting claims will be made of record by means of form PTO-892, unless the protestor has listed such prior art or other documents on form PTO/SB/08A and 08B (or an acceptable substitute as provided by MPEP § 609.04(a)), in which case the examiner will place the examiner’s initials adjacent to the citations in the boxes provided on the form PTO/SB/08A and 08B (see MPEP § 609.04(a)). Where the prior art or other documents have not been cited on a PTO-892, or listed and initialed on a PTO/SB/08A and 08B, the examiner will place a notation in the protest paper adjacent to the reference to the documents. The notation should include the examiner’s initials and the term “checked.” The examiner will also indicate in the next Office action that all documents submitted have been considered.

Jump to MPEP SourceExaminer Action on ProtestExaminer's Action (37 CFR 1.104)Protest Handling Procedure
StatutoryInformativeAlways
[mpep-1901-06-d88ebcbfe51a88a4332dd8eb]
Examiner Note: Protest Must Have Applicant's Written Consent
Note:
An examiner note states that a protest submitted after publication and without the applicant’s written consent will not be included in the application file.

If a protest is submitted on or after the date the application is published under 37 CFR 1.211 and is not accompanied by the written consent of the applicant, it will not be entered in the application file.

Jump to MPEP Source · 37 CFR 1.211Examiner Action on ProtestProtest PracticeProtest Handling Procedure
StatutoryRequiredAlways
[mpep-1901-06-5eb03a9923cf84f5bad11139]
Examiner Must Consider Major Points in Protest
Note:
The examiner must carefully consider and address the major arguments raised by the protestor in a timely submitted protest, except for issues related to inequitable conduct.

In view of the value of written protests, the examiner must give careful consideration to the points and arguments made on behalf of the protestor. Any Office action by the examiner treating the merits of a timely submitted protest complying with 37 CFR 1.291(c) must specifically consider and make evident by detailed reasoning the examiner’s position as to the major arguments and points raised by the protestor, except for issues related to inequitable conduct. The examiner will not, under any circumstances, treat or discuss those arguments or points directed to “fraud,” “violation of duty of disclosure,” or other inequitable conduct issues. See 37 CFR 1.291(e). While it is not necessary for the examiner to respond to each and every minute argument or point, the major arguments and points, except those concerning inequitable conduct, must be specifically covered.

Jump to MPEP Source · 37 CFR 1.291(c)Examiner Action on ProtestProtest Handling ProcedureProtest Practice
StatutoryRequiredAlways
[mpep-1901-06-1650092c7fdfbd02fe2b1152]
Examiner Must Address Major Arguments in Protest
Note:
The examiner must address and provide detailed reasoning for major arguments raised in a timely protest, except those related to inequitable conduct.

In view of the value of written protests, the examiner must give careful consideration to the points and arguments made on behalf of the protestor. Any Office action by the examiner treating the merits of a timely submitted protest complying with 37 CFR 1.291(c) must specifically consider and make evident by detailed reasoning the examiner’s position as to the major arguments and points raised by the protestor, except for issues related to inequitable conduct. The examiner will not, under any circumstances, treat or discuss those arguments or points directed to “fraud,” “violation of duty of disclosure,” or other inequitable conduct issues. See 37 CFR 1.291(e). While it is not necessary for the examiner to respond to each and every minute argument or point, the major arguments and points, except those concerning inequitable conduct, must be specifically covered.

Jump to MPEP Source · 37 CFR 1.291(c)Examiner Action on ProtestProtest Handling ProcedureProtest Practice
StatutoryRequiredAlways
[mpep-1901-06-331ae52bc2188bde32dda9ce]
Examiner Must Address Major Arguments Except Inequitable Conduct
Note:
The examiner must address major arguments raised in a protest except those related to inequitable conduct.

In view of the value of written protests, the examiner must give careful consideration to the points and arguments made on behalf of the protestor. Any Office action by the examiner treating the merits of a timely submitted protest complying with 37 CFR 1.291(c) must specifically consider and make evident by detailed reasoning the examiner’s position as to the major arguments and points raised by the protestor, except for issues related to inequitable conduct. The examiner will not, under any circumstances, treat or discuss those arguments or points directed to “fraud,” “violation of duty of disclosure,” or other inequitable conduct issues. See 37 CFR 1.291(e). While it is not necessary for the examiner to respond to each and every minute argument or point, the major arguments and points, except those concerning inequitable conduct, must be specifically covered.

Jump to MPEP Source · 37 CFR 1.291(c)Examiner Action on ProtestProtest Handling ProcedureProtest Practice
Topic

Protest Practice

5 rules
StatutoryProhibitedAlways
[mpep-1901-06-b49d6d1181a3f52c797e4825]
Protest Must Comply With Rules
Note:
A protest that fails to meet the requirements of 37 CFR 1.291(b) or (c) cannot be entered into the record unless the Office determines the error is minor and does not cause ambiguity.

37 CFR 1.291(g) provides that a protest that fails to comply with 37 CFR 1.291(b) or (c) may not be entered. A protest that is non-compliant with some requirement of 37 CFR 1.291(b) or (c), may be entered into the record if the reviewer determines that the error is of such a minor character that, in the opinion of the Office, it does not raise an ambiguity as to the content of the protest. For example, if an error with respect to a requirement of 37 CFR 1.291(c) is of such a nature that the content of the protest can still be readily ascertained (e.g., a U.S. patent is identified by the correct patent number and issue date but the name of the first named inventor is clearly misspelled), the Office may have enough information to be able to enter the protest into the record despite the error. However, the determination of whether to enter or not to enter a protest that partially complies with a requirement of 37 CFR 1.291(b) or (c) will be made on a case-by-case basis and at the sole discretion of the Office (e.g., the Office may decline to enter a protest listing a U.S. patent whose patent number does not match Office records with respect to that patent number’s issue date and/or first named inventor). In any event, the Office will either enter or not enter the entire protest and will not attempt to enter portions of partially compliant protests, except as noted in the paragraph below.

Jump to MPEP Source · 37 CFR 1.291(g)Protest PracticePrior Art Submissions in ProtestsExaminer Action on Protest
StatutoryInformativeAlways
[mpep-1901-06-388015e940a69b38638093ef]
Office Action Not Sent to Protestor
Note:
The Office action is not provided to the protestor as per the rule.

2. A copy of this Office action is NOT sent to the protestor. See 37 CFR 1.291(d).

37 CFR 1.77 · 37 CFR 1.291(d)Protest PracticeExaminer Action on ProtestProtest Handling Procedure
StatutoryInformativeAlways
[mpep-1901-06-7711b6f26d3aae4ef75e476e]
Improper Protest Returned or Discarded
Note:
The Office will return or discard an improper protest at its discretion.

The examiner must not communicate with protestor in any way even if the protest is incomplete or the protestor inquires as to the status of any Office proceedings related to the protest. See 37 CFR 1.291. In addition, the examiner will not consider a later submission by protestor, unless such submission complies with 37 CFR 1.291(c)(5) (see MPEP § 1901.07). Improper protests will be returned to the protestor, or discarded, at the option of the Office. See 37 CFR 1.291(g).

Jump to MPEP Source · 37 CFR 1.291Protest PracticeExaminer Action on ProtestProtest Handling Procedure
MPEP GuidancePermittedAlways
[mpep-1901-06-8d1887d443fd91cc2ab8d77d]
Applicant Must Be Offered Chance to Respond to Protest
Note:
The rule requires that the applicant be given an opportunity to file comments on a protest.

Form paragraph 19.01 can be used to offer applicant an opportunity to file comments on the protest.

Jump to MPEP SourceProtest Practice
MPEP GuidancePermittedAlways
[mpep-1901-06-53477dbecf38f7a39de6730f]
Requirement for Additional Information on Protest Issues
Note:
Examiner can require applicant to provide more details regarding issues raised in the protest.

Form paragraph 19.02 can be used to require additional information from applicant regarding issues raised by the protest.

Jump to MPEP SourceProtest PracticeExaminer Action on ProtestProtest Handling Procedure
Topic

Prior Art Submissions in Protests

5 rules
StatutoryPermittedAlways
[mpep-1901-06-7ef78e404a9e686679c0be8f]
Protest With Minor Errors Can Be Entered
Note:
A protest with minor errors that do not obscure the content may be entered into the record at the Office's discretion.

37 CFR 1.291(g) provides that a protest that fails to comply with 37 CFR 1.291(b) or (c) may not be entered. A protest that is non-compliant with some requirement of 37 CFR 1.291(b) or (c), may be entered into the record if the reviewer determines that the error is of such a minor character that, in the opinion of the Office, it does not raise an ambiguity as to the content of the protest. For example, if an error with respect to a requirement of 37 CFR 1.291(c) is of such a nature that the content of the protest can still be readily ascertained (e.g., a U.S. patent is identified by the correct patent number and issue date but the name of the first named inventor is clearly misspelled), the Office may have enough information to be able to enter the protest into the record despite the error. However, the determination of whether to enter or not to enter a protest that partially complies with a requirement of 37 CFR 1.291(b) or (c) will be made on a case-by-case basis and at the sole discretion of the Office (e.g., the Office may decline to enter a protest listing a U.S. patent whose patent number does not match Office records with respect to that patent number’s issue date and/or first named inventor). In any event, the Office will either enter or not enter the entire protest and will not attempt to enter portions of partially compliant protests, except as noted in the paragraph below.

Jump to MPEP Source · 37 CFR 1.291(g)Prior Art Submissions in ProtestsExaminer Action on ProtestProtest Content and Evidence
StatutoryRequiredAlways
[mpep-1901-06-ae319aa0ccbd2497da6d86d4]
Examiner Must Consider Protest Submissions and Issues
Note:
The examiner must review all prior art documents and non-prior art issues raised in the protest, as well as any supporting information provided, if the protest is timely filed.

If the protest has been reviewed and entered into the record of the application in time to permit consideration by the examiner during prosecution, the examiner must consider (A) each of the prior art or other documents submitted in conformance with 37 CFR 1.291(c) and any discussion of such documents in the protest, and (B) any non-prior art issue(s) raised by the protest that are appropriate for consideration by the primary examiner, and the information supplied as to the same.

Jump to MPEP Source · 37 CFR 1.291(c)Prior Art Submissions in ProtestsExaminer Action on ProtestProtest Content and Evidence
StatutoryInformativeAlways
[mpep-1901-06-451023c3c10952914a213af4]
Consent Required for Post-Publication Protest
Note:
A protest after publication of a patent application must be accompanied by the applicant's written consent and filed before notice of allowance is given.

35 U.S.C. 122(c) permits the filing of a protest in an application after the application has been published if there is express written consent of the applicant. In order to file a protest after publication of a patent application, 37 CFR 1.291(b)(1) requires that the protest be accompanied by the written consent of the applicant and be filed prior to the date the notice of allowance under 37 CFR 1.311 is given or mailed. The written consent should indicate that applicant is consenting to the specific protest being submitted. Applicant may choose to provide a blanket consent to: any protests filed; protests filed by a particular real party in interest; a single protest by a particular party in interest (e.g., a protest that party Smith has informed me that he will be submitting during the week of November 26 th); a protest involving a particular item of prior art; or a particular protest that has been reviewed and applicant is willing to have considered by the Office. Where applicant consents to a protest, the Office will abide by the terms of the consent, and will enter the protest only if (A) the protest submitted is within the scope of the consent, and (B) the protest complies with the requirements of 37 CFR 1.291(b) and (c). If a properly consented to protest does not comply with some of the requirements of 37 CFR 1.291(b) or (c), the Office may choose to consider a piece of prior art permitted under the terms of the consent.

Jump to MPEP Source · 37 CFR 1.291(b)(1)Prior Art Submissions in ProtestsProtest with Applicant ConsentService of Protest
StatutoryPermittedAlways
[mpep-1901-06-22d3f79897e16213d574b932]
Applicant Can Consent to Specific Protests
Note:
An applicant may grant consent for specific protests, including any protest, one by a particular party, involving certain prior art, or reviewed by the Office.

35 U.S.C. 122(c) permits the filing of a protest in an application after the application has been published if there is express written consent of the applicant. In order to file a protest after publication of a patent application, 37 CFR 1.291(b)(1) requires that the protest be accompanied by the written consent of the applicant and be filed prior to the date the notice of allowance under 37 CFR 1.311 is given or mailed. The written consent should indicate that applicant is consenting to the specific protest being submitted. Applicant may choose to provide a blanket consent to: any protests filed; protests filed by a particular real party in interest; a single protest by a particular party in interest (e.g., a protest that party Smith has informed me that he will be submitting during the week of November 26 th); a protest involving a particular item of prior art; or a particular protest that has been reviewed and applicant is willing to have considered by the Office. Where applicant consents to a protest, the Office will abide by the terms of the consent, and will enter the protest only if (A) the protest submitted is within the scope of the consent, and (B) the protest complies with the requirements of 37 CFR 1.291(b) and (c). If a properly consented to protest does not comply with some of the requirements of 37 CFR 1.291(b) or (c), the Office may choose to consider a piece of prior art permitted under the terms of the consent.

Jump to MPEP Source · 37 CFR 1.291(b)(1)Prior Art Submissions in ProtestsProtest Statement RequirementsProtest with Applicant Consent
StatutoryPermittedAlways
[mpep-1901-06-88fe7c2a6d113d2d696c63a5]
Office May Consider Non-Compliant Prior Art Under Consent
Note:
If a protest does not meet all requirements but is within the consent terms, the Office may still consider the prior art.

35 U.S.C. 122(c) permits the filing of a protest in an application after the application has been published if there is express written consent of the applicant. In order to file a protest after publication of a patent application, 37 CFR 1.291(b)(1) requires that the protest be accompanied by the written consent of the applicant and be filed prior to the date the notice of allowance under 37 CFR 1.311 is given or mailed. The written consent should indicate that applicant is consenting to the specific protest being submitted. Applicant may choose to provide a blanket consent to: any protests filed; protests filed by a particular real party in interest; a single protest by a particular party in interest (e.g., a protest that party Smith has informed me that he will be submitting during the week of November 26 th); a protest involving a particular item of prior art; or a particular protest that has been reviewed and applicant is willing to have considered by the Office. Where applicant consents to a protest, the Office will abide by the terms of the consent, and will enter the protest only if (A) the protest submitted is within the scope of the consent, and (B) the protest complies with the requirements of 37 CFR 1.291(b) and (c). If a properly consented to protest does not comply with some of the requirements of 37 CFR 1.291(b) or (c), the Office may choose to consider a piece of prior art permitted under the terms of the consent.

Jump to MPEP Source · 37 CFR 1.291(b)(1)Prior Art Submissions in ProtestsProtest with Applicant ConsentExaminer Action on Protest
Topic
5 rules
Topic

Protest Timing Requirements

2 rules
StatutoryInformativeAlways
[mpep-1901-06-72e9e80debc21b4160d78875]
Office Reviews Protests Before Recording
Note:
The Office reviews protests to ensure they comply with 37 CFR 1.291 before recording them in an application.

Protests will not be automatically made of record in an application. The Office has designated points of contact and established procedures for reviewing protests to determine if they are compliant with the relevant provisions of 37 CFR 1.291 before being made of record in an application. These procedures permit compliant protests to be entered into the record of the application and made available to the examiner for consideration as early as possible.

Jump to MPEP Source · 37 CFR 1.291Protest Timing RequirementsExaminer Action on ProtestProtest Filing Requirements
StatutoryPermittedAlways
[mpep-1901-06-e5f901aad9524d623eef4a15]
Primary Examiner Cannot Seek Answers to Unrelated Questions
Note:
The primary examiner may not ask for information beyond what is relevant to the protest being decided.

Where necessary or desirable to decide questions raised by the protest, under 37 CFR 1.291(f) the primary examiner can require the applicant to reply to the protest and answer specific questions raised by the protest. The primary examiner cannot require a reply to questions relating to “fraud,” “inequitable conduct,” or “violation of the duty of disclosure” since those issues are generally not commented on by the Office. Any questions directed to applicant by the primary examiner must be limited to seeking answers reasonably necessary in order for the primary examiner to decide questions raised by the protest and which are before the primary examiner for decision. The primary examiner is not permitted, under 37 CFR 1.291(f), to seek answers to questions which are not before the primary examiner for decision.

Jump to MPEP Source · 37 CFR 1.291(f)Protest Timing RequirementsExaminer Action on ProtestProtest Filing Requirements
Topic

PTO-892 Notice of References Cited

2 rules
StatutoryInformativeAlways
[mpep-1901-06-721a68e3b9498ab10a33ac54]
Examiner Must List Cited Prior Art on PTO/SB/08A/B
Note:
The examiner must list any prior art documents relied upon in rejecting claims on form PTO/SB/08A or B, unless the protestor has already listed them. If not, the examiner will place initials adjacent to citations on the form.

At least those prior art documents which the examiner relies on in rejecting claims will be made of record by means of form PTO-892, unless the protestor has listed such prior art or other documents on form PTO/SB/08A and 08B (or an acceptable substitute as provided by MPEP § 609.04(a)), in which case the examiner will place the examiner’s initials adjacent to the citations in the boxes provided on the form PTO/SB/08A and 08B (see MPEP § 609.04(a)). Where the prior art or other documents have not been cited on a PTO-892, or listed and initialed on a PTO/SB/08A and 08B, the examiner will place a notation in the protest paper adjacent to the reference to the documents. The notation should include the examiner’s initials and the term “checked.” The examiner will also indicate in the next Office action that all documents submitted have been considered.

Jump to MPEP SourcePTO-892 Notice of References CitedCitation of References (MPEP 707.05)Prior Art Submissions in Protests
StatutoryInformativeAlways
[mpep-1901-06-2bcbac6dab05ddb0bf03ea57]
Notation Required for Uncited References
Note:
When prior art or documents are not cited on PTO-892 or listed and initialed on PTO/SB/08A and 08B, the examiner must place a notation in the protest paper indicating their review.

At least those prior art documents which the examiner relies on in rejecting claims will be made of record by means of form PTO-892, unless the protestor has listed such prior art or other documents on form PTO/SB/08A and 08B (or an acceptable substitute as provided by MPEP § 609.04(a)), in which case the examiner will place the examiner’s initials adjacent to the citations in the boxes provided on the form PTO/SB/08A and 08B (see MPEP § 609.04(a)). Where the prior art or other documents have not been cited on a PTO-892, or listed and initialed on a PTO/SB/08A and 08B, the examiner will place a notation in the protest paper adjacent to the reference to the documents. The notation should include the examiner’s initials and the term “checked.” The examiner will also indicate in the next Office action that all documents submitted have been considered.

Jump to MPEP SourcePTO-892 Notice of References CitedCitation of References (MPEP 707.05)Prior Art Submissions in Protests
Topic

Protestor Limitations

1 rules
StatutoryInformativeAlways
[mpep-1901-06-ccd0289df382ad1a699ce9c5]
Protest Evidence Treated Like Ex Parte Evidence
Note:
Evidence submitted in a protest will be evaluated alongside other ex parte evidence during patent examination.

Office practice as defined in 37 CFR 1.291(a) gives recognition to the value of the written protests in avoiding the issuance of invalid patents. However, the fact that one or more protests has been filed in an application, whether the application is an original application or a reissue application, does not relieve the examiner from conducting a normal examination on the merits, including the required search. Evidence submitted in a protest will be considered on the same basis as other ex parte evidence. In re Reuter, 651 F.2d 751, 758, 210 USPQ 249, 255 (CCPA 1981).

Jump to MPEP Source · 37 CFR 1.291(a)Protestor LimitationsProtest PracticeExaminer Action on Protest

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.

¶ 19.01 ¶ 19.01 Period for Comments on Protest by Applicant
¶ 19.02 ¶ 19.02 Requirement for Information

The protest under 37 CFR 1.291 filed on [1] has been considered. In order to reach a full and proper consideration of the issues raised therein, it is necessary to obtain additional information from applicant regarding these issues. In particular [2] . The failure to reply to this requirement for information within a shortened statutory period of TWO (2) MONTHS of the mailing date of this requirement will result in abandonment of the application. This time period may be extended under the provisions of 37 CFR 1.136 but in no case can any extension carry the date for reply to this letter beyond the maximum period of SIX MONTHS set by statute ( 35 U.S.C. 133 ).

Examiner Note

While the examiner normally should not need further information from applicant, this form paragraph may be used to request specific additional information from the applicant.

Citations

Primary topicCitation
Prior Art Submissions in Protests
Protest with Applicant Consent
35 U.S.C. § 122(c)
Examiner Action on Protest37 CFR § 1.211
Examiner Action on Protest
Protest Practice
Protest Timing Requirements
37 CFR § 1.291
Examiner Action on Protest
Protestor Limitations
37 CFR § 1.291(a)
Examiner Action on Protest
Prior Art Submissions in Protests
Protest Practice
Protest with Applicant Consent
37 CFR § 1.291(b)
Prior Art Submissions in Protests
Protest with Applicant Consent
37 CFR § 1.291(b)(1)
Examiner Action on Protest
Prior Art Submissions in Protests
Protest Practice
37 CFR § 1.291(c)
Examiner Action on Protest
Protest Practice
37 CFR § 1.291(c)(5)
Protest Practice37 CFR § 1.291(d)
Examiner Action on Protest37 CFR § 1.291(e)
Examiner Action on Protest
Protest Timing Requirements
Protest with Applicant Consent
37 CFR § 1.291(f)
Examiner Action on Protest
Prior Art Submissions in Protests
Protest Practice
37 CFR § 1.291(g)
Prior Art Submissions in Protests
Protest with Applicant Consent
37 CFR § 1.311
Examiner Action on Protest
Protest Practice
MPEP § 1901.07
Examiner Action on Protest
PTO-892 Notice of References Cited
MPEP § 609.04(a)
Protest PracticeForm Paragraph § 19.01
Protest PracticeForm Paragraph § 19.02
Examiner Action on Protest
Protestor Limitations
In re Reuter, 651 F.2d 751, 758, 210 USPQ 249, 255 (CCPA 1981)

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: 2026-01-17