MPEP § 2212.01 — Inquiries from Persons Other Than the Patent Owner (Annotated Rules)

§2212.01 Inquiries from Persons Other Than the Patent Owner

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

This page consolidates and annotates all enforceable requirements under MPEP § 2212.01, 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.

Inquiries from Persons Other Than the Patent Owner

This section addresses Inquiries from Persons Other Than the Patent Owner. Primary authority: 37 CFR 11.804, 37 CFR 104.1, and 37 CFR 104.21. Contains: 3 guidance statements, 1 permission, and 1 other statement.

Key Rules

Topic

Quality Assurance Specialist Review

4 rules
MPEP GuidanceRecommendedAlways
[mpep-2212-01-c6be517c0a24763a3d8acefd]
Examiners Must Not Discuss Third Party Questions in Reexamination
Note:
Examiners are prohibited from discussing or answering inquiries from parties not the patent owner during reexamination proceedings. Such questions should be referred to Quality Assurance Specialists or Supervisory Patent Reexamination Specialists.

Examiners should not discuss or answer inquiries from third parties (i.e., parties who are not the patent owner) in reexamination proceedings. A party who is not the patent owner should be referred by the examiner to the Technology Center (TC) Quality Assurance Specialist (QAS) or Central Reexamination Unit (CRU) Supervisory Patent Reexamination Specialist (SPRS) for the examiner’s art unit. The CRU SPRS or TC QAS will address any such questions. Only questions on strictly procedural matters, i.e., not directed to any specific reexamination proceeding, may be discussed by the CRU SPRS or TC QAS with that party.

Jump to MPEP SourceQuality Assurance Specialist ReviewCentral Reexamination Unit ProcessingAllowance Quality Review
MPEP GuidanceRecommendedAlways
[mpep-2212-01-9ad24c83b160904be0311f65]
Examiners Must Refer Third Parties to QAS/SPRS for Reexamination Inquiries
Note:
Examiners should refer inquiries from parties not owning the patent to the Quality Assurance Specialist or Supervisory Patent Reexamination Specialist in the art unit, except for procedural matters.

Examiners should not discuss or answer inquiries from third parties (i.e., parties who are not the patent owner) in reexamination proceedings. A party who is not the patent owner should be referred by the examiner to the Technology Center (TC) Quality Assurance Specialist (QAS) or Central Reexamination Unit (CRU) Supervisory Patent Reexamination Specialist (SPRS) for the examiner’s art unit. The CRU SPRS or TC QAS will address any such questions. Only questions on strictly procedural matters, i.e., not directed to any specific reexamination proceeding, may be discussed by the CRU SPRS or TC QAS with that party.

Jump to MPEP SourceQuality Assurance Specialist ReviewCentral Reexamination Unit ProcessingAllowance Quality Review
MPEP GuidanceInformativeAlways
[mpep-2212-01-a783598dbdee59a6b4565f1b]
Quality Assurance Specialist for Non-Patent Owner Inquiries
Note:
Examiners must refer inquiries from non-patent owners to the Quality Assurance Specialist for reexamination proceedings.

Examiners should not discuss or answer inquiries from third parties (i.e., parties who are not the patent owner) in reexamination proceedings. A party who is not the patent owner should be referred by the examiner to the Technology Center (TC) Quality Assurance Specialist (QAS) or Central Reexamination Unit (CRU) Supervisory Patent Reexamination Specialist (SPRS) for the examiner’s art unit. The CRU SPRS or TC QAS will address any such questions. Only questions on strictly procedural matters, i.e., not directed to any specific reexamination proceeding, may be discussed by the CRU SPRS or TC QAS with that party.

Jump to MPEP SourceQuality Assurance Specialist ReviewCentral Reexamination Unit ProcessingAllowance Quality Review
MPEP GuidancePermittedAlways
[mpep-2212-01-70c73725b0bba90ba2d674d9]
Procedural Matters Only for Non-Owners
Note:
CRU SPRS and TC QAS can only discuss procedural matters with non-patent owners, not specific reexamination proceedings.

Examiners should not discuss or answer inquiries from third parties (i.e., parties who are not the patent owner) in reexamination proceedings. A party who is not the patent owner should be referred by the examiner to the Technology Center (TC) Quality Assurance Specialist (QAS) or Central Reexamination Unit (CRU) Supervisory Patent Reexamination Specialist (SPRS) for the examiner’s art unit. The CRU SPRS or TC QAS will address any such questions. Only questions on strictly procedural matters, i.e., not directed to any specific reexamination proceeding, may be discussed by the CRU SPRS or TC QAS with that party.

Jump to MPEP SourceQuality Assurance Specialist ReviewCentral Reexamination Unit ProcessingAllowance Quality Review
Topic

Ex Parte Reexamination

1 rules
MPEP GuidanceRecommendedAlways
[mpep-2212-01-0216ced93ee7596b024bd131]
Examiner Silence on Reexamination Details
Note:
Patent examiners must not discuss whether specific references were considered or how claims would have been allowed during a concluded reexamination proceeding with external parties.

Employees of the Office, particularly patent examiners who conducted a concluded reexamination proceeding, should not discuss or answer inquiries from any person outside the Office as to whether a certain reference or other particular evidence was considered during the proceeding and whether a claim would have been allowed over that reference or other evidence had it been considered during the proceeding.

Jump to MPEP SourceEx Parte Reexamination

Citations

Primary topicCitation
37 CFR § 104.1
37 CFR § 104.21
37 CFR § 11.804

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