MPEP § 2804 — Representative of Patent Owner (Annotated Rules)

§2804 Representative of Patent Owner

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

This page consolidates and annotates all enforceable requirements under MPEP § 2804, 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.

Representative of Patent Owner

This section addresses Representative of Patent Owner. Primary authority: 37 CFR 1.32, 37 CFR 1.34, and 37 CFR 1.32(c). Contains: 4 requirements, 1 guidance statement, 1 permission, and 1 other statement.

Key Rules

Topic

Correspondence Address Requirements

3 rules
StatutoryInformativeAlways
[mpep-2804-c073c7125f42cc60684cda49]
Office Correspondence to Patent Owner
Note:
Correspondence from the Office will be directed to the patent owner at the address in the file, regardless of who filed the request for supplemental examination.

Any correspondence from the Office will be directed to the patent owner at the address indicated in the file of the patent for which supplemental examination is requested, pursuant to 37 CFR 1.33(c), regardless of the address of the person filing the request. If the patent owner wishes the Office to direct correspondence regarding the supplemental examination proceeding to an address other than the official correspondence address of record in the file of the patent, then the patent owner must file a change of correspondence address in the file of the patent. A change of correspondence address should also be filed in the supplemental examination proceeding. See MPEP § 2805.

Jump to MPEP Source · 37 CFR 1.33(c)Correspondence Address RequirementsCorrespondence with the OfficeCorrespondence Address
StatutoryRequiredAlways
[mpep-2804-3f66eb683124d2f4a2d48992]
Patent Owner Must File Change of Correspondence Address for Supplemental Examination
Note:
The patent owner must file a change of correspondence address in the patent file if they wish the Office to direct supplemental examination correspondence to an address other than the official record.

Any correspondence from the Office will be directed to the patent owner at the address indicated in the file of the patent for which supplemental examination is requested, pursuant to 37 CFR 1.33(c), regardless of the address of the person filing the request. If the patent owner wishes the Office to direct correspondence regarding the supplemental examination proceeding to an address other than the official correspondence address of record in the file of the patent, then the patent owner must file a change of correspondence address in the file of the patent. A change of correspondence address should also be filed in the supplemental examination proceeding. See MPEP § 2805.

Jump to MPEP Source · 37 CFR 1.33(c)Correspondence Address RequirementsCorrespondence with the OfficeCorrespondence Address
StatutoryRecommendedAlways
[mpep-2804-f03e75ab75a93e8d70b9ee6e]
Change of Correspondence Address Required for Supplemental Examination
Note:
A change of correspondence address must be filed in the supplemental examination proceeding if the patent owner wishes to receive Office communications at a different address.

Any correspondence from the Office will be directed to the patent owner at the address indicated in the file of the patent for which supplemental examination is requested, pursuant to 37 CFR 1.33(c), regardless of the address of the person filing the request. If the patent owner wishes the Office to direct correspondence regarding the supplemental examination proceeding to an address other than the official correspondence address of record in the file of the patent, then the patent owner must file a change of correspondence address in the file of the patent. A change of correspondence address should also be filed in the supplemental examination proceeding. See MPEP § 2805.

Jump to MPEP Source · 37 CFR 1.33(c)Correspondence Address RequirementsCorrespondence with the OfficeCorrespondence Address
Topic

Power of Attorney Requirements

2 rules
StatutoryPermittedAlways
[mpep-2804-09d0befc41b9d446dbd0bcb0]
Attorney or Agent Can Act Under Power of Attorney or Representative Capacity
Note:
An attorney or agent can act on behalf of a patent owner either under a power of attorney (37 CFR 1.32) or in a representative capacity (37 CFR 1.34).

Where an attorney or agent files a request on behalf of a patent owner, he or she may act under a power of attorney under 37 CFR 1.32, or in a representative capacity under 37 CFR 1.34. In order to act in a representative capacity under 37 CFR 1.34, an attorney or agent must provide his or her registration number, name, and signature. In order to act under a power of attorney from a patent owner, an attorney or agent must be provided with a power of attorney by the patent owner. Pursuant to 37 CFR 1.32(c) a "power of attorney may only name as representative" either one or more inventors or registered patent practitioners. Thus, an attorney or agent representing a patent owner must be a registered patent practitioner. A patent owner may not be represented during a supplemental examination proceeding or any resulting ex parte reexamination proceeding by an attorney or other person who is not registered to practice before the Office.

Jump to MPEP Source · 37 CFR 1.32Power of Attorney RequirementsPower of AttorneyPOA Form Requirements
StatutoryRequiredAlways
[mpep-2804-5332a230cae6c7647e634320]
Power of Attorney Must Name Inventors or Practitioners
Note:
A power of attorney for a patent owner must name either inventors or registered patent practitioners.

Where an attorney or agent files a request on behalf of a patent owner, he or she may act under a power of attorney under 37 CFR 1.32, or in a representative capacity under 37 CFR 1.34. In order to act in a representative capacity under 37 CFR 1.34, an attorney or agent must provide his or her registration number, name, and signature. In order to act under a power of attorney from a patent owner, an attorney or agent must be provided with a power of attorney by the patent owner. Pursuant to 37 CFR 1.32(c) a "power of attorney may only name as representative" either one or more inventors or registered patent practitioners. Thus, an attorney or agent representing a patent owner must be a registered patent practitioner. A patent owner may not be represented during a supplemental examination proceeding or any resulting ex parte reexamination proceeding by an attorney or other person who is not registered to practice before the Office.

Jump to MPEP Source · 37 CFR 1.32Power of Attorney RequirementsPower of AttorneyPOA Form Requirements
Topic

POA Form Requirements

1 rules
StatutoryRequiredAlways
[mpep-2804-cd727ed968cb18a535909031]
Attorney or Agent Registration Required for Representative Capacity
Note:
An attorney or agent must provide their registration number, name, and signature to act in a representative capacity under 37 CFR 1.34.

Where an attorney or agent files a request on behalf of a patent owner, he or she may act under a power of attorney under 37 CFR 1.32, or in a representative capacity under 37 CFR 1.34. In order to act in a representative capacity under 37 CFR 1.34, an attorney or agent must provide his or her registration number, name, and signature. In order to act under a power of attorney from a patent owner, an attorney or agent must be provided with a power of attorney by the patent owner. Pursuant to 37 CFR 1.32(c) a "power of attorney may only name as representative" either one or more inventors or registered patent practitioners. Thus, an attorney or agent representing a patent owner must be a registered patent practitioner. A patent owner may not be represented during a supplemental examination proceeding or any resulting ex parte reexamination proceeding by an attorney or other person who is not registered to practice before the Office.

Jump to MPEP Source · 37 CFR 1.32POA Form RequirementsRegistration Number on SignatureReexamination Order
Topic

Reexamination Order

1 rules
StatutoryRequiredAlways
[mpep-2804-f291193dea2aee84a4c297ad]
Power of Attorney Required for Patent Owner Representation
Note:
An attorney or agent must be provided with a power of attorney by the patent owner to represent them.

Where an attorney or agent files a request on behalf of a patent owner, he or she may act under a power of attorney under 37 CFR 1.32, or in a representative capacity under 37 CFR 1.34. In order to act in a representative capacity under 37 CFR 1.34, an attorney or agent must provide his or her registration number, name, and signature. In order to act under a power of attorney from a patent owner, an attorney or agent must be provided with a power of attorney by the patent owner. Pursuant to 37 CFR 1.32(c) a "power of attorney may only name as representative" either one or more inventors or registered patent practitioners. Thus, an attorney or agent representing a patent owner must be a registered patent practitioner. A patent owner may not be represented during a supplemental examination proceeding or any resulting ex parte reexamination proceeding by an attorney or other person who is not registered to practice before the Office.

Jump to MPEP Source · 37 CFR 1.32Reexamination OrderPower of Attorney RequirementsPower of Attorney
Topic

Ex Parte Reexamination

1 rules
StatutoryProhibitedAlways
[mpep-2804-1760ebcd5777fb73a7912c39]
Patent Owner Cannot Be Represented By Unregistered Practitioner During Ex Parte Reexamination
Note:
A patent owner may not be represented by an unregistered attorney or person during a supplemental examination or resulting ex parte reexamination.

Where an attorney or agent files a request on behalf of a patent owner, he or she may act under a power of attorney under 37 CFR 1.32, or in a representative capacity under 37 CFR 1.34. In order to act in a representative capacity under 37 CFR 1.34, an attorney or agent must provide his or her registration number, name, and signature. In order to act under a power of attorney from a patent owner, an attorney or agent must be provided with a power of attorney by the patent owner. Pursuant to 37 CFR 1.32(c) a "power of attorney may only name as representative" either one or more inventors or registered patent practitioners. Thus, an attorney or agent representing a patent owner must be a registered patent practitioner. A patent owner may not be represented during a supplemental examination proceeding or any resulting ex parte reexamination proceeding by an attorney or other person who is not registered to practice before the Office.

Jump to MPEP Source · 37 CFR 1.32Ex Parte ReexaminationPOA Form RequirementsRegistration Number on Signature

Citations

Primary topicCitation
Ex Parte Reexamination
POA Form Requirements
Power of Attorney Requirements
Reexamination Order
37 CFR § 1.32
Ex Parte Reexamination
POA Form Requirements
Power of Attorney Requirements
Reexamination Order
37 CFR § 1.32(c)
Correspondence Address Requirements37 CFR § 1.33(c)
Ex Parte Reexamination
POA Form Requirements
Power of Attorney Requirements
Reexamination Order
37 CFR § 1.34
Correspondence Address RequirementsMPEP § 2805

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