MPEP § 1901.03 — How Protest Is Submitted (Annotated Rules)

§1901.03 How Protest Is Submitted

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

This page consolidates and annotates all enforceable requirements under MPEP § 1901.03, 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.

How Protest Is Submitted

This section addresses How Protest Is Submitted. Primary authority: 37 CFR 1.291, 37 CFR 1.291(c)(1), and 37 CFR 1.291(d). Contains: 2 requirements, 1 prohibition, 7 guidance statements, 2 permissions, and 4 other statements.

Key Rules

Topic
5 rules
Topic

Protest Filing Requirements

5 rules
StatutoryRequiredAlways
[mpep-1901-03-cb7bc0d705edad485bf81608]
Further Submission Must Address Significantly Different Issues Than Earlier Protest
Note:
Any subsequent submission by the same party in interest must address issues that are significantly different from those raised in the initial protest and provide an explanation for why these issues were not included earlier.

Active participation by protestor ends with the filing of the protest, as provided in 37 CFR 1.291(d), and no further submission on behalf of protestor will be acknowledged or considered, unless the submission is made pursuant to 37 CFR 1.291(c)(5). 37 CFR 1.291(c)(5) requires that any further submission by the same party in interest must be directed to significantly different issue(s) than those raised in the earlier protest. 37 CFR 1.291(c)(5) requires (A) an explanation as to how the issue(s) raised are significantly different, (B) why the different issue(s) were not presented in the earlier protest, and (C) the processing fee under 37 CFR 1.17(i). Submissions which will not be entered in the application file include further submissions in violation of 37 CFR 1.291 by which protestor merely seeks to participate in the examination process. For example, mere arguments relating to an Office action or an applicant’s reply would not qualify as a new protest. Likewise, additional comments seeking to bring in further or even new data or information with respect to an issue previously raised by protestor would not qualify as a new protest. The Office will not add these arguments or comments to the original protest and will not enter them in the application file.

Jump to MPEP Source · 37 CFR 1.291(d)Protest Filing RequirementsEstoppel After JudgmentProtest Practice
StatutoryRecommendedAlways
[mpep-1901-03-11fc7d04b92567cd9f3abd79]
New Protest Must Not Argue Office Actions
Note:
A new protest cannot include arguments about office actions, replies, or other matters beyond the new issue; improper protests will be returned or discarded.

Even new protests which also argue Office actions or replies or any matter beyond the new issue should not be accepted. Improper protests will be returned to the protestor, or discarded, at the option of the Office. 37 CFR 1.291(g). While improper protests will be returned or discarded, a new protest by an earlier protestor will be proper and can be entered if it complies with 37 CFR 1.291(c)(5).

Jump to MPEP Source · 37 CFR 1.291(g)Protest Filing RequirementsProtest Practice
StatutoryInformativeAlways
[mpep-1901-03-3ee5e5a0392204bd89bddc07]
Improper Protests Discarded
Note:
Protests that do not comply with filing requirements will be discarded by the Office.

Even new protests which also argue Office actions or replies or any matter beyond the new issue should not be accepted. Improper protests will be returned to the protestor, or discarded, at the option of the Office. 37 CFR 1.291(g). While improper protests will be returned or discarded, a new protest by an earlier protestor will be proper and can be entered if it complies with 37 CFR 1.291(c)(5).

Jump to MPEP Source · 37 CFR 1.291(g)Protest Filing RequirementsProtest Practice
StatutoryInformativeAlways
[mpep-1901-03-53b488060ba78aa6c10b7d80]
New Protest Must Comply With Rules
Note:
A new protest must comply with the rules and cannot argue beyond the new issue; improper protests will be returned or discarded.

Even new protests which also argue Office actions or replies or any matter beyond the new issue should not be accepted. Improper protests will be returned to the protestor, or discarded, at the option of the Office. 37 CFR 1.291(g). While improper protests will be returned or discarded, a new protest by an earlier protestor will be proper and can be entered if it complies with 37 CFR 1.291(c)(5).

Jump to MPEP Source · 37 CFR 1.291(g)Protest Filing RequirementsProtest Practice
StatutoryPermittedAlways
[mpep-1901-03-1bed49804c3bbcadeb3ecb89]
New Protest by Earlier Protestor Complies with Rules
Note:
A new protest by an earlier protestor is proper if it complies with the specified rules, even if it also argues beyond the new issue.

Even new protests which also argue Office actions or replies or any matter beyond the new issue should not be accepted. Improper protests will be returned to the protestor, or discarded, at the option of the Office. 37 CFR 1.291(g). While improper protests will be returned or discarded, a new protest by an earlier protestor will be proper and can be entered if it complies with 37 CFR 1.291(c)(5).

Jump to MPEP Source · 37 CFR 1.291(g)Protest Filing RequirementsProtest Practice
Topic

Prior Art Submissions in Protests

4 rules
StatutoryRequiredAlways
[mpep-1901-03-777fa380e1241c921d40b1ba]
Protest Must Be Submitted In Writing With Specific Information List
Note:
A protest under 37 CFR 1.291 must be submitted in writing, identifying the application and including an information list of all documents with explanations and translations.

A protest under 37 CFR 1.291 must be submitted in writing, must specifically identify the application to which the protest is directed by application number or serial number and filing date, and must include an information list of all documents, portions of documents, or other information submitted; a concise explanation of the relevance of each listed item; an English language translation of any non-English language document or other information identified in the information list; and be accompanied by a copy of each item in the information list except for U.S. patents and U.S. patent application publications. Protestors are encouraged to use form PTO/SB/08A and 08B “Information Disclosure Statement By Applicant” (or an equivalent form) when preparing a protest under 37 CFR 1.291, especially the information list under 37 CFR 1.291(c)(1). See MPEP § 609.04(a). In addition, the protest and any accompanying papers must either (1) reflect that a copy of the same has been served upon the applicant or upon the applicant’s attorney or agent of record; or (2) be filed with the Office in duplicate in the event service is not possible. In the event a duplicate protest is enclosed for the applicant, the protest should be accompanied by an explanation of why service on applicant could not be made.

Jump to MPEP Source · 37 CFR 1.291Prior Art Submissions in ProtestsProtest Content and EvidenceProtest Filing Requirements
StatutoryRequiredAlways
[mpep-1901-03-5e7e66e9f54c6db51db46348]
All Relied-On Documents Must Be Included In Protest
Note:
A protest must include copies of all documents relied upon, such as prior art and affidavits. A missing document will render the protest incomplete.

A protest must be complete and contain a copy of every document relied on by the protestor, whether the document is a prior art document, court litigation material, affidavit, or declaration, etc. A protest not accompanied by a copy of each document relied on (except for U.S. patents and U.S. patent application publications) will not be entered. A protestor will not be given an opportunity to supplement or complete any protest which is incomplete.

Jump to MPEP SourcePrior Art Submissions in ProtestsProtest Content and EvidenceProtest Practice
StatutoryInformativeAlways
[mpep-1901-03-f30aebaf94dea02349f5d689]
Documents Required for Protest
Note:
A protest must include a copy of every document relied upon, except U.S. patents and patent application publications.

A protest must be complete and contain a copy of every document relied on by the protestor, whether the document is a prior art document, court litigation material, affidavit, or declaration, etc. A protest not accompanied by a copy of each document relied on (except for U.S. patents and U.S. patent application publications) will not be entered. A protestor will not be given an opportunity to supplement or complete any protest which is incomplete.

Jump to MPEP SourcePrior Art Submissions in ProtestsProtest PracticeProtest Content and Evidence
StatutoryRequiredAlways
[mpep-1901-03-bf522d2cadedc14382bdf22b]
Complete Copy Must Be Served on Applicant
Note:
The rule requires that any copy served on the applicant or their attorney must include a complete copy of all prior art and other documents relied upon, as required by 37 CFR 1.291(c)(3) for Office copies.

Every effort should be made by a protestor to serve a copy of the protest upon the attorney or agent of record or upon the applicant if no attorney or agent is of record. Of course, the copy served upon applicant or upon applicant’s attorney or agent should be a complete copy including a copy of each prior art or other document relied on in the same manner as required by 37 CFR 1.291(c)(3) for the Office copy. The protest filed in the Office should reflect, by an appropriate “Certificate of Service,” that service has been made as provided in 37 CFR 1.291(b). Only in those instances where service is not possible should the protest be filed in duplicate in order that the Office can attempt service. In the event a duplicate protest is enclosed for the applicant, the protest should be accompanied by an explanation of why service on applicant could not be made.

Jump to MPEP Source · 37 CFR 1.291(c)(3)Prior Art Submissions in ProtestsProtest with Applicant ConsentService of Protest
Topic

Protest Practice

3 rules
StatutoryPermittedAlways
[mpep-1901-03-40de5a129b3c6c11ff07cdf7]
Protest Must Be Submitted by Mail
Note:
A protest must be submitted via mail to the specified address and cannot be sent electronically.

Any protest can be submitted by mail to Mail Stop Petition, Commissioner for Patents, P.O. Box 1450, Alexandria, VA 22313-1450. A protest must NOT be submitted electronically via EFS-Web.

Jump to MPEP SourceProtest Practice
StatutoryProhibitedAlways
[mpep-1901-03-491694b297ede7133187d6d3]
Protest Must Be Submitted By Mail
Note:
A protest must be submitted by mail to the specified address and cannot be sent electronically via EFS-Web.

Any protest can be submitted by mail to Mail Stop Petition, Commissioner for Patents, P.O. Box 1450, Alexandria, VA 22313-1450. A protest must NOT be submitted electronically via EFS-Web.

Jump to MPEP SourceProtest Practice
StatutoryInformativeAlways
[mpep-1901-03-ebf3d50266780957d6ae4503]
Incomplete Protest Not Allowed
Note:
A protest must be complete and include all relied-upon documents; incomplete protests cannot be supplemented.

A protest must be complete and contain a copy of every document relied on by the protestor, whether the document is a prior art document, court litigation material, affidavit, or declaration, etc. A protest not accompanied by a copy of each document relied on (except for U.S. patents and U.S. patent application publications) will not be entered. A protestor will not be given an opportunity to supplement or complete any protest which is incomplete.

Jump to MPEP SourceProtest PracticePrior Art Submissions in ProtestsProtest Content and Evidence
Topic

Service of Protest

3 rules
StatutoryRecommendedAlways
[mpep-1901-03-63e18c6f6d308d8127e5817e]
Protest Must Include Certificate of Service
Note:
A protest filed in the Office must include a 'Certificate of Service' to confirm that service has been made as required by 37 CFR 1.291(b).

Every effort should be made by a protestor to serve a copy of the protest upon the attorney or agent of record or upon the applicant if no attorney or agent is of record. Of course, the copy served upon applicant or upon applicant’s attorney or agent should be a complete copy including a copy of each prior art or other document relied on in the same manner as required by 37 CFR 1.291(c)(3) for the Office copy. The protest filed in the Office should reflect, by an appropriate “Certificate of Service,” that service has been made as provided in 37 CFR 1.291(b). Only in those instances where service is not possible should the protest be filed in duplicate in order that the Office can attempt service. In the event a duplicate protest is enclosed for the applicant, the protest should be accompanied by an explanation of why service on applicant could not be made.

Jump to MPEP Source · 37 CFR 1.291(c)(3)Service of ProtestProtest Filing RequirementsProtest Practice
StatutoryRecommendedAlways
[mpep-1901-03-66529e0cd26cd70f726c8e34]
Protest Must Be Served Before Filing Duplicate
Note:
A protest must be served on the attorney, agent, or applicant before filing in duplicate if service is not possible.

Every effort should be made by a protestor to serve a copy of the protest upon the attorney or agent of record or upon the applicant if no attorney or agent is of record. Of course, the copy served upon applicant or upon applicant’s attorney or agent should be a complete copy including a copy of each prior art or other document relied on in the same manner as required by 37 CFR 1.291(c)(3) for the Office copy. The protest filed in the Office should reflect, by an appropriate “Certificate of Service,” that service has been made as provided in 37 CFR 1.291(b). Only in those instances where service is not possible should the protest be filed in duplicate in order that the Office can attempt service. In the event a duplicate protest is enclosed for the applicant, the protest should be accompanied by an explanation of why service on applicant could not be made.

Jump to MPEP Source · 37 CFR 1.291(c)(3)Service of ProtestProtest PracticePrior Art Submissions in Protests
StatutoryRecommendedAlways
[mpep-1901-03-27112f1561082cdf853b7575]
Protest Must Be Filed In Duplicate
Note:
A protest must be filed in duplicate and otherwise compliant to be forwarded to the correspondence address of record.

If the protest filed in the Office does not, however, indicate service on applicant or applicant’s attorney or agent, and is not filed in duplicate, then the protest will not be entered. If the protest is filed in duplicate and otherwise compliant, the Office will forward the protest to the correspondence address of record, and the application file should reflect that fact, either by a letter transmitting the protest or, if no transmittal letter is used, simply by an appropriate notation in the application file history.

Jump to MPEP SourceService of ProtestCorrespondence Address RequirementsCorrespondence with the Office
Topic

Examiner Action on Protest

2 rules
StatutoryRecommendedAlways
[mpep-1901-03-834f63197c20389ac7ef2fd6]
Protest Must Identify Pending Application Fully
Note:
A protest against a pending application must clearly identify the application by providing complete information including inventor(s), applicant(s), application number, filing date, title of invention, art unit number, and examiner name.
Each protest should be clearly identified as a “PROTEST UNDER 37 CFR 1.291.” It is also important that any protest against a pending application specifically identify the application to which the protest is directed with the identification being as complete as possible. If possible, the following information should be placed on the first page of the protest:
  • (A) Name of inventor(s)
  • (B) Name of applicant(s).
  • (C) Application number.
  • (D) Filing date of application.
  • (E) Title of invention.
  • (F) Art unit number (if known).
  • (G) Name of examiner to whom the application is assigned (if known).
Jump to MPEP Source · 37 CFR 1.291Examiner Action on ProtestProtest Filing RequirementsProtest Practice
StatutoryInformativeAlways
[mpep-1901-03-d063a09d9e669a443cc7862c]
Protest Must Identify Examiner
Note:
A protest against a pending application must clearly identify the examiner to whom the application is assigned.

Each protest should be clearly identified as a “PROTEST UNDER 37 CFR 1.291.” It is also important that any protest against a pending application specifically identify the application to which the protest is directed with the identification being as complete as possible. If possible, the following information should be placed on the first page of the protest:

(G) Name of examiner to whom the application is assigned (if known).

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

Director Authority and Petitions (MPEP 1000)

2 rules
StatutoryRecommendedAlways
[mpep-1901-03-31b04148ccdb7d78ea3652b3]
Protest Must Be Directed to Office of Petitions With Application Data
Note:
A protest must be directed to the Office of Petitions with as much identifying data for a pending application as possible if the application number is not known.

If the protestor is unable to specifically identify the application to which the protest is directed by application number, but, nevertheless, believes such an application to be pending, the protest should be directed to the attention of the Office of Petitions (using Mail Stop Petition), along with as much identifying data for the application as possible. Protests which do not adequately identify a pending patent application will be returned to the protestor or discarded, and will not be further considered by the Office.

Jump to MPEP SourceDirector Authority and Petitions (MPEP 1000)Protest Practice
StatutoryInformativeAlways
[mpep-1901-03-cc9f1df55d2bd002f2079c36]
Protest Must Identify Pending Application
Note:
A protest must adequately identify a pending patent application; otherwise, it will be returned to the protestor or discarded.

If the protestor is unable to specifically identify the application to which the protest is directed by application number, but, nevertheless, believes such an application to be pending, the protest should be directed to the attention of the Office of Petitions (using Mail Stop Petition), along with as much identifying data for the application as possible. Protests which do not adequately identify a pending patent application will be returned to the protestor or discarded, and will not be further considered by the Office.

Jump to MPEP SourceDirector Authority and Petitions (MPEP 1000)Protest Practice
Topic

Disclosure of Litigation

2 rules
StatutoryRecommendedAlways
[mpep-1901-03-b891d7ab97f3065f816bf413]
Protest for Reissued Patents Involved in Litigation Must Be Marked
Note:
A protest directed to a reissue application for a patent involved in litigation must be marked with 'REISSUE LITIGATION' on the outside envelope and top right of the protest.

Where a protest is directed to a reissue application for a patent which is involved in litigation, the outside envelope and the top right-hand portion of the protest should be conspicuously marked with the words “REISSUE LITIGATION.” Any “REISSUE LITIGATION” protest mailed to the Office should be so marked and mailed to Mail Stop Petition, Commissioner for Patents, P.O. Box 1450, Alexandria, VA 22313-1450.

Jump to MPEP SourceDisclosure of LitigationReissue and LitigationReissue Patent Practice
StatutoryRecommendedAlways
[mpep-1901-03-293474e56ca2d9c086e7b1eb]
Protest for Reissue Litigation Must Be Marked and Sent to Specific Address
Note:
Any protest related to reissue litigation must be marked 'REISSUE LITIGATION' and sent to the Commissioner for Patents at a specific PO box address.

Where a protest is directed to a reissue application for a patent which is involved in litigation, the outside envelope and the top right-hand portion of the protest should be conspicuously marked with the words “REISSUE LITIGATION.” Any “REISSUE LITIGATION” protest mailed to the Office should be so marked and mailed to Mail Stop Petition, Commissioner for Patents, P.O. Box 1450, Alexandria, VA 22313-1450.

Jump to MPEP SourceDisclosure of LitigationReissue and LitigationReissue Patent Practice
Topic

Protest Statement Requirements

1 rules
StatutoryInformativeAlways
[mpep-1901-03-4078d6c889cb5c250c17725c]
Protestors Must Use PTO/SB/08A/B for Information List
Note:
Protesters must use form PTO/SB/08A or B to prepare the information list when filing a protest under 37 CFR 1.291.

A protest under 37 CFR 1.291 must be submitted in writing, must specifically identify the application to which the protest is directed by application number or serial number and filing date, and must include an information list of all documents, portions of documents, or other information submitted; a concise explanation of the relevance of each listed item; an English language translation of any non-English language document or other information identified in the information list; and be accompanied by a copy of each item in the information list except for U.S. patents and U.S. patent application publications. Protestors are encouraged to use form PTO/SB/08A and 08B “Information Disclosure Statement By Applicant” (or an equivalent form) when preparing a protest under 37 CFR 1.291, especially the information list under 37 CFR 1.291(c)(1). See MPEP § 609.04(a). In addition, the protest and any accompanying papers must either (1) reflect that a copy of the same has been served upon the applicant or upon the applicant’s attorney or agent of record; or (2) be filed with the Office in duplicate in the event service is not possible. In the event a duplicate protest is enclosed for the applicant, the protest should be accompanied by an explanation of why service on applicant could not be made.

Jump to MPEP Source · 37 CFR 1.291Protest Statement RequirementsProtest with Applicant ConsentService of Protest
Topic

Protest Content and Evidence

1 rules
StatutoryRecommendedAlways
[mpep-1901-03-2a063b3e93e80a7b90151e09]
Exhibits Must Contain Identifying Info to Prevent Separation
Note:
Protest exhibits and attachments must include identifying information to prevent them from becoming inadvertently separated and lost.

In addition to the above information, if the protest includes exhibits or other attachments, these should also contain identifying information thereon in order to prevent them from becoming inadvertently separated and lost.

Jump to MPEP SourceProtest Content and EvidenceProtest Practice
Topic

What Constitutes AAPA

1 rules
StatutoryInformativeAlways
[mpep-1901-03-f6f72ebe7a72d70221acbf0f]
Further Submissions Not Allowed After Protest Filing
Note:
No additional submissions can be made after filing a protest unless they meet specific criteria outlined in the rule.

Active participation by protestor ends with the filing of the protest, as provided in 37 CFR 1.291(d), and no further submission on behalf of protestor will be acknowledged or considered, unless the submission is made pursuant to 37 CFR 1.291(c)(5). 37 CFR 1.291(c)(5) requires that any further submission by the same party in interest must be directed to significantly different issue(s) than those raised in the earlier protest. 37 CFR 1.291(c)(5) requires (A) an explanation as to how the issue(s) raised are significantly different, (B) why the different issue(s) were not presented in the earlier protest, and (C) the processing fee under 37 CFR 1.17(i). Submissions which will not be entered in the application file include further submissions in violation of 37 CFR 1.291 by which protestor merely seeks to participate in the examination process. For example, mere arguments relating to an Office action or an applicant’s reply would not qualify as a new protest. Likewise, additional comments seeking to bring in further or even new data or information with respect to an issue previously raised by protestor would not qualify as a new protest. The Office will not add these arguments or comments to the original protest and will not enter them in the application file.

Jump to MPEP Source · 37 CFR 1.291(d)What Constitutes AAPAApplicant Admitted Prior Art (AAPA)Protest Filing Requirements
Topic

Processing Fees

1 rules
StatutoryInformativeAlways
[mpep-1901-03-fd506b980d493c3b854fe622]
Significantly Different Issues Required for New Protest
Note:
A protestor must explain how new issues are significantly different from those in the earlier protest, why they were not previously presented, and pay the processing fee.

Active participation by protestor ends with the filing of the protest, as provided in 37 CFR 1.291(d), and no further submission on behalf of protestor will be acknowledged or considered, unless the submission is made pursuant to 37 CFR 1.291(c)(5). 37 CFR 1.291(c)(5) requires that any further submission by the same party in interest must be directed to significantly different issue(s) than those raised in the earlier protest. 37 CFR 1.291(c)(5) requires (A) an explanation as to how the issue(s) raised are significantly different, (B) why the different issue(s) were not presented in the earlier protest, and (C) the processing fee under 37 CFR 1.17(i). Submissions which will not be entered in the application file include further submissions in violation of 37 CFR 1.291 by which protestor merely seeks to participate in the examination process. For example, mere arguments relating to an Office action or an applicant’s reply would not qualify as a new protest. Likewise, additional comments seeking to bring in further or even new data or information with respect to an issue previously raised by protestor would not qualify as a new protest. The Office will not add these arguments or comments to the original protest and will not enter them in the application file.

Jump to MPEP Source · 37 CFR 1.291(d)Processing FeesProtest Filing RequirementsEstoppel After Judgment
Topic

Statutory Authority for Examination

1 rules
StatutoryInformativeAlways
[mpep-1901-03-b68642f3b1e8706a4a602a81]
Further Submissions Not Allowed After Protest
Note:
Protestor may not submit further arguments or data that merely seek to participate in the examination process after filing a protest.

Active participation by protestor ends with the filing of the protest, as provided in 37 CFR 1.291(d), and no further submission on behalf of protestor will be acknowledged or considered, unless the submission is made pursuant to 37 CFR 1.291(c)(5). 37 CFR 1.291(c)(5) requires that any further submission by the same party in interest must be directed to significantly different issue(s) than those raised in the earlier protest. 37 CFR 1.291(c)(5) requires (A) an explanation as to how the issue(s) raised are significantly different, (B) why the different issue(s) were not presented in the earlier protest, and (C) the processing fee under 37 CFR 1.17(i). Submissions which will not be entered in the application file include further submissions in violation of 37 CFR 1.291 by which protestor merely seeks to participate in the examination process. For example, mere arguments relating to an Office action or an applicant’s reply would not qualify as a new protest. Likewise, additional comments seeking to bring in further or even new data or information with respect to an issue previously raised by protestor would not qualify as a new protest. The Office will not add these arguments or comments to the original protest and will not enter them in the application file.

Jump to MPEP Source · 37 CFR 1.291(d)Statutory Authority for ExaminationProtest Filing RequirementsPTAB Jurisdiction
Topic

Access to Prosecution History

1 rules
StatutoryInformativeAlways
[mpep-1901-03-019f998e4081110c6d0ceda8]
No Further Arguments on Office Action
Note:
Protestor may not submit further arguments relating to the office action or applicant's reply after filing the initial protest.

Active participation by protestor ends with the filing of the protest, as provided in 37 CFR 1.291(d), and no further submission on behalf of protestor will be acknowledged or considered, unless the submission is made pursuant to 37 CFR 1.291(c)(5). 37 CFR 1.291(c)(5) requires that any further submission by the same party in interest must be directed to significantly different issue(s) than those raised in the earlier protest. 37 CFR 1.291(c)(5) requires (A) an explanation as to how the issue(s) raised are significantly different, (B) why the different issue(s) were not presented in the earlier protest, and (C) the processing fee under 37 CFR 1.17(i). Submissions which will not be entered in the application file include further submissions in violation of 37 CFR 1.291 by which protestor merely seeks to participate in the examination process. For example, mere arguments relating to an Office action or an applicant’s reply would not qualify as a new protest. Likewise, additional comments seeking to bring in further or even new data or information with respect to an issue previously raised by protestor would not qualify as a new protest. The Office will not add these arguments or comments to the original protest and will not enter them in the application file.

Jump to MPEP Source · 37 CFR 1.291(d)Access to Prosecution HistoryProtest with Applicant ConsentService of Protest
Topic

Estoppel After Judgment

1 rules
StatutoryInformativeAlways
[mpep-1901-03-1db31da0f3387b068f536749]
Additional Comments on Previously Raised Issues Not Allowed in Protest
Note:
Protestors are not permitted to submit additional comments or new data regarding issues already raised in their initial protest.

Active participation by protestor ends with the filing of the protest, as provided in 37 CFR 1.291(d), and no further submission on behalf of protestor will be acknowledged or considered, unless the submission is made pursuant to 37 CFR 1.291(c)(5). 37 CFR 1.291(c)(5) requires that any further submission by the same party in interest must be directed to significantly different issue(s) than those raised in the earlier protest. 37 CFR 1.291(c)(5) requires (A) an explanation as to how the issue(s) raised are significantly different, (B) why the different issue(s) were not presented in the earlier protest, and (C) the processing fee under 37 CFR 1.17(i). Submissions which will not be entered in the application file include further submissions in violation of 37 CFR 1.291 by which protestor merely seeks to participate in the examination process. For example, mere arguments relating to an Office action or an applicant’s reply would not qualify as a new protest. Likewise, additional comments seeking to bring in further or even new data or information with respect to an issue previously raised by protestor would not qualify as a new protest. The Office will not add these arguments or comments to the original protest and will not enter them in the application file.

Jump to MPEP Source · 37 CFR 1.291(d)Estoppel After JudgmentProtest PracticeWhat Constitutes AAPA
Topic

PTAB Jurisdiction

1 rules
StatutoryInformativeAlways
[mpep-1901-03-ba41b5eae2784133f3b2ed2b]
Arguments and Comments Not to be Added to Protest
Note:
The Office will not include additional arguments or comments in the original protest.

Active participation by protestor ends with the filing of the protest, as provided in 37 CFR 1.291(d), and no further submission on behalf of protestor will be acknowledged or considered, unless the submission is made pursuant to 37 CFR 1.291(c)(5). 37 CFR 1.291(c)(5) requires that any further submission by the same party in interest must be directed to significantly different issue(s) than those raised in the earlier protest. 37 CFR 1.291(c)(5) requires (A) an explanation as to how the issue(s) raised are significantly different, (B) why the different issue(s) were not presented in the earlier protest, and (C) the processing fee under 37 CFR 1.17(i). Submissions which will not be entered in the application file include further submissions in violation of 37 CFR 1.291 by which protestor merely seeks to participate in the examination process. For example, mere arguments relating to an Office action or an applicant’s reply would not qualify as a new protest. Likewise, additional comments seeking to bring in further or even new data or information with respect to an issue previously raised by protestor would not qualify as a new protest. The Office will not add these arguments or comments to the original protest and will not enter them in the application file.

Jump to MPEP Source · 37 CFR 1.291(d)PTAB JurisdictionAccess to Patent Application Files (MPEP 101-106)Protest Practice

Citations

Primary topicCitation
Access to Prosecution History
Estoppel After Judgment
PTAB Jurisdiction
Processing Fees
Protest Filing Requirements
Statutory Authority for Examination
What Constitutes AAPA
37 CFR § 1.17(i)
Access to Prosecution History
Estoppel After Judgment
Examiner Action on Protest
PTAB Jurisdiction
Prior Art Submissions in Protests
Processing Fees
Protest Filing Requirements
Protest Statement Requirements
Protest with Applicant Consent
Statutory Authority for Examination
What Constitutes AAPA
37 CFR § 1.291
Prior Art Submissions in Protests
Protest with Applicant Consent
Service of Protest
37 CFR § 1.291(b)
Prior Art Submissions in Protests
Protest Statement Requirements
Protest with Applicant Consent
37 CFR § 1.291(c)(1)
Prior Art Submissions in Protests
Protest with Applicant Consent
Service of Protest
37 CFR § 1.291(c)(3)
Access to Prosecution History
Estoppel After Judgment
PTAB Jurisdiction
Processing Fees
Protest Filing Requirements
Statutory Authority for Examination
What Constitutes AAPA
37 CFR § 1.291(c)(5)
Access to Prosecution History
Estoppel After Judgment
PTAB Jurisdiction
Processing Fees
Protest Filing Requirements
Statutory Authority for Examination
What Constitutes AAPA
37 CFR § 1.291(d)
Protest Filing Requirements37 CFR § 1.291(g)
Prior Art Submissions in Protests
Protest Statement Requirements
Protest with Applicant Consent
MPEP § 609.04(a)

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