MPEP § 402.07 — Assignee Revocation of Power of Attorney of Applicant and Appointment of New Power of Attorney (Annotated Rules)

§402.07 Assignee Revocation of Power of Attorney of Applicant and Appointment of New Power of Attorney

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

This page consolidates and annotates all enforceable requirements under MPEP § 402.07, 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.

Assignee Revocation of Power of Attorney of Applicant and Appointment of New Power of Attorney

This section addresses Assignee Revocation of Power of Attorney of Applicant and Appointment of New Power of Attorney. Primary authority: 37 CFR 1.32(b), 37 CFR 1.46(c), and 37 CFR 3.71. Contains: 2 requirements, 2 permissions, and 4 other statements.

Key Rules

Topic

AIA Effective Dates

3 rules
StatutoryRequiredAlways
[mpep-402-07-a71cdc8ad85be31f6671ab71]
Power of Attorney Must Be Signed by Applicant or Patent Owner
Note:
For applications filed on or after September 16, 2012, any power of attorney must be signed by the applicant or patent owner.

In applications filed on or after September 16, 2012, any power of attorney must be signed by the applicant or patent owner (for a patent, including a patent in a supplemental examination or reexamination proceeding). See 37 CFR 1.32(b). For an assignee to revoke a previously given power of attorney and/or grant a power of attorney, the assignee must become the applicant under 37 CFR 1.46(c). See MPEP §§ 402.02(a) and 402.05(a). See MPEP § 325 for details pertaining to establishing the right of an assignee to take action in an application filed on or after September 16, 2012.

Jump to MPEP Source · 37 CFR 1.32(b)AIA Effective DatesKey Changes Under AIAPOA Form Requirements
StatutoryRequiredAlways
[mpep-402-07-ce0d4877a0951baa03536c61]
Assignee Must Become Applicant to Revoke or Grant Power of Attorney
Note:
An assignee must become the applicant under 37 CFR 1.46(c) to revoke a previously given power of attorney and/or grant a new one.

In applications filed on or after September 16, 2012, any power of attorney must be signed by the applicant or patent owner (for a patent, including a patent in a supplemental examination or reexamination proceeding). See 37 CFR 1.32(b). For an assignee to revoke a previously given power of attorney and/or grant a power of attorney, the assignee must become the applicant under 37 CFR 1.46(c). See MPEP §§ 402.02(a) and 402.05(a). See MPEP § 325 for details pertaining to establishing the right of an assignee to take action in an application filed on or after September 16, 2012.

Jump to MPEP Source · 37 CFR 1.32(b)AIA Effective DatesPower of Attorney SignatureAssignee as Applicant Signature
StatutoryPermittedAlways
[mpep-402-07-77bede2b115c53914a65f0d6]
Assignee Can Revoke Applicant's Power of Attorney Before September 16, 2012
Note:
Before September 16, 2012, the assignee can revoke an applicant’s power of attorney unless an irrevocable right to prosecute was given.

In applications filed before September 16, 2012, the assignee of record of the entire interest can revoke the power of attorney of the applicant unless an “irrevocable” right to prosecute the application had been given as in some government owned applications.

Jump to MPEP SourceAIA Effective DatesAssignee as Applicant SignatureAIA Overview and Effective Dates
Topic

Prosecution Actions by Assignee

3 rules
StatutoryInformativeAlways
[mpep-402-07-88ddc93e02d15e04f2934d53]
Assignees Can Conduct Patent Prosecution Excluding Inventive Entity
Note:
Assignees, after becoming of record, can conduct the prosecution of a national patent application or reexamination proceeding to the exclusion of either the inventive entity or previous assignees.

(a) Patents — conducting of prosecution. One or more assignees as defined in paragraph (b) of this section may, after becoming of record pursuant to paragraph (c) of this section, conduct prosecution of a national patent application or a reexamination proceeding to the exclusion of either the inventive entity, or the assignee(s) previously entitled to conduct prosecution.

Jump to MPEP Source · 37 CFR 3.71Prosecution Actions by AssigneeAssignee Rights to Take Action (MPEP 324-325)AIA vs Pre-AIA Practice
StatutoryPermittedAlways
[mpep-402-07-c08043a6c82d4f559b421220]
Assignees Must Conduct Patent Prosecution
Note:
The assignee(s) who can prosecute a national application for patent or reexamination must be the entire right holder or a combination of partial holders and inventors.
(b) Patents — assignee(s) who can prosecute. The assignee(s) who may conduct either the prosecution of a national application for patent or a reexamination proceeding are:
  • (1) A single assignee. An assignee of the entire right, title and interest in the application or patent being reexamined who is of record, or
  • (2) Partial assignee(s) together or with inventor(s). All partial assignees, or all partial assignees and inventors who have not assigned their right, title and interest in the application or patent being reexamined, who together own the entire right, title and interest in the application or patent being reexamined. A partial assignee is any assignee of record having less than the entire right, title and interest in the application or patent being reexamined.
Jump to MPEP Source · 37 CFR 3.71Prosecution Actions by AssigneeAssignee Rights to Take Action (MPEP 324-325)Assignment and Ownership (MPEP Chapter 300)
StatutoryInformativeAlways
[mpep-402-07-0b885a9ccfc058b4fe44381e]
Partial Assignees Must Own Entire Right, Title and Interest
Note:
All partial assignees, along with any inventors who have not assigned their rights, must collectively own the entire right, title, and interest in the application or patent being reexamined.

(b) Patents — assignee(s) who can prosecute. The assignee(s) who may conduct either the prosecution of a national application for patent or a reexamination proceeding are:

All partial assignees, or all partial assignees and inventors who have not assigned their right, title and interest in the application or patent being reexamined, who together own the entire right, title and interest in the application or patent being reexamined.

Jump to MPEP Source · 37 CFR 3.71Prosecution Actions by AssigneeAssignee Rights to Take Action (MPEP 324-325)Assignment and Ownership (MPEP Chapter 300)
Topic

Establishing Ownership

3 rules
StatutoryInformativeAlways
[mpep-402-07-8a7ad9fe3a4b80365b296251]
Assignee Must File Compliance Statement
Note:
An assignee must file a statement in compliance with §3.73(b) signed by an authorized party to become of record in a patent application or reexamination proceeding.

(c) Patents — Becoming of record. An assignee becomes of record either in a national patent application or a reexamination proceeding by filing a statement in compliance with § 3.73(b) that is signed by a party who is authorized to act on behalf of the assignee.

Jump to MPEP Source · 37 CFR 3.73(b)Establishing OwnershipAssignee Rights to Take Action (MPEP 324-325)Assignment and Ownership (MPEP Chapter 300)
StatutoryRequiredAlways
[mpep-402-07-48ce46876c1d56094cb59738]
Assignee Must Prove Ownership
Note:
The assignee must demonstrate compliance with §3.73(b) to establish ownership of a trademark application or registration.

(d) Trademarks. The assignee of a trademark application or registration may prosecute a trademark application, submit documents to maintain a trademark registration, or file papers against a third party in reliance on the assignee’s trademark application or registration, to the exclusion of the original applicant or previous assignee. The assignee must establish ownership in compliance with § 3.73(b).

Jump to MPEP Source · 37 CFR 3.73(b)Establishing OwnershipAssignee as Applicant SignatureAssignee Rights to Take Action (MPEP 324-325)
StatutoryPermittedAlways
[mpep-402-07-bb43dd9e41fe6b080c8e92d9]
Assignee Can Establish Action Rights
Note:
An assignee can establish their right to take action as specified in pre-AIA 37 CFR 3.73(b) and MPEP § 324.

In an application that has been accorded status under pre-AIA 37 CFR 1.47(a), or for which status under pre-AIA 37 CFR 1.47(a) has been requested, a power of attorney given by the inventors who have signed the declaration (available inventors) may be revoked by an assignee of the entire interest of the available inventors (i.e., the applicant). See pre-AIA 37 CFR 1.32(b)(4). Rights of the assignee to take action may be established as provided in pre-AIA 37 CFR 3.73(b) and MPEP § 324.

Jump to MPEP Source · 37 CFR 1.47(a)Establishing OwnershipAssignee as Applicant SignatureAssignee Rights to Take Action (MPEP 324-325)
Topic

Actions by Partial Assignee

2 rules
StatutoryInformativeAlways
[mpep-402-07-576d1ba19b7ec43c67119203]
Partial Assignee Can Prosecute With Inventor
Note:
A partial assignee, along with the inventor who has not assigned their rights, can conduct the prosecution of a patent application or reexamination proceeding.

(b) Patents — assignee(s) who can prosecute. The assignee(s) who may conduct either the prosecution of a national application for patent or a reexamination proceeding are:

(2) Partial assignee(s) together or with inventor(s).

Jump to MPEP Source · 37 CFR 3.71Actions by Partial AssigneeProsecution Actions by AssigneeAssignee Rights to Take Action (MPEP 324-325)
StatutoryInformativeAlways
[mpep-402-07-ed8d3c8631496056226f4806]
Partial Assignee Rights in Reexamination
Note:
A partial assignee has limited rights to conduct a reexamination if they do not hold the entire right, title and interest in the patent.

(b) Patents — assignee(s) who can prosecute. The assignee(s) who may conduct either the prosecution of a national application for patent or a reexamination proceeding are:

A partial assignee is any assignee of record having less than the entire right, title and interest in the application or patent being reexamined.

Jump to MPEP Source · 37 CFR 3.71Actions by Partial AssigneeProsecution Actions by AssigneeAssignee Rights to Take Action (MPEP 324-325)
Topic

Assignee Rights to Take Action (MPEP 324-325)

2 rules
StatutoryInformativeAlways
[mpep-402-07-c2f9354166570f0dc8d55606]
Assignee Must File Statement for Recordation
Note:
An assignee must file a signed statement with the USPTO to become of record in a patent application or reexamination proceeding.

(c) Patents — Becoming of record. An assignee becomes of record either in a national patent application or a reexamination proceeding by filing a statement in compliance with § 3.73(b) that is signed by a party who is authorized to act on behalf of the assignee.

Jump to MPEP Source · 37 CFR 3.73(b)Assignee Rights to Take Action (MPEP 324-325)Assignment and Ownership (MPEP Chapter 300)Establishing Ownership
StatutoryInformativeAlways
[mpep-402-07-c367bff96e09c40135ce6d03]
Assignee Can Prosecute Trademark Application
Note:
The assignee of a trademark application or registration can prosecute the application, submit maintenance documents, and file papers against third parties, excluding the original applicant or previous assignees. Ownership must be established in compliance with §3.73(b).

(d) Trademarks. The assignee of a trademark application or registration may prosecute a trademark application, submit documents to maintain a trademark registration, or file papers against a third party in reliance on the assignee’s trademark application or registration, to the exclusion of the original applicant or previous assignee. The assignee must establish ownership in compliance with § 3.73(b).

Jump to MPEP Source · 37 CFR 3.73(b)Assignee Rights to Take Action (MPEP 324-325)AIA vs Pre-AIA PracticeAssignment and Ownership (MPEP Chapter 300)
Topic

Assignee as Applicant Signature

2 rules
StatutoryPermittedAlways
[mpep-402-07-0bf0b3623ae1daabdf157528]
Assignee Can Prosecute Trademark Application
Note:
The assignee of a trademark application or registration can handle prosecution, maintenance, and opposition actions, excluding the original applicant or previous assignees.

(d) Trademarks. The assignee of a trademark application or registration may prosecute a trademark application, submit documents to maintain a trademark registration, or file papers against a third party in reliance on the assignee’s trademark application or registration, to the exclusion of the original applicant or previous assignee. The assignee must establish ownership in compliance with § 3.73(b).

Jump to MPEP Source · 37 CFR 3.73(b)Assignee as Applicant SignatureApplicant and Assignee Filing Under AIAPTAB Jurisdiction
StatutoryInformativeAlways
[mpep-402-07-764e8097aacc0e03c4a8cac2]
Ordinary Applicant Access to Application
Note:
The applicant will typically retain access to the application unless power of attorney is revoked by an assignee.

A power of attorney by the assignee of the entire interest revokes all powers given by the applicant and prior assignees if the assignee establishes their right to take action as provided in pre-AIA 37 CFR 3.73(b). See MPEP § 324. Ordinarily, the applicant will still have access to the application (MPEP § 106).

Jump to MPEP Source · 37 CFR 3.73(b)Assignee as Applicant SignatureApplicant and Assignee Filing Under AIAPower of Attorney by Assignee
Topic

Ex Parte Reexamination

1 rules
StatutoryPermittedAlways
[mpep-402-07-0670dd5e0ee4070bb6b96876]
Assignees Can Conduct Patent Prosecution Exclusively
Note:
Assignees, after becoming of record, can exclusively conduct patent prosecution to the exclusion of previous assignees or inventors.

(a) Patents — conducting of prosecution. One or more assignees as defined in paragraph (b) of this section may, after becoming of record pursuant to paragraph (c) of this section, conduct prosecution of a national patent application or a reexamination proceeding to the exclusion of either the inventive entity, or the assignee(s) previously entitled to conduct prosecution.

Jump to MPEP Source · 37 CFR 3.71Ex Parte ReexaminationProsecution Actions by AssigneeAssignee Rights to Take Action (MPEP 324-325)
Topic

AIA vs Pre-AIA Practice

1 rules
StatutoryInformativeAlways
[mpep-402-07-f2d0cf0cd727c1a57a454bcd]
Assignee Must Revise Power of Attorney
Note:
The assignee must update the power of attorney for prosecution purposes.
Jump to MPEP Source · 37 CFR 1.36AIA vs Pre-AIA PracticeProsecution Actions by AssigneeAssignee Rights to Take Action (MPEP 324-325)
Topic

Assignee of Entire Interest

1 rules
StatutoryInformativeAlways
[mpep-402-07-c9709a10b5d630bdee65601b]
Assignee Revokes Applicant’s Power of Attorney
Note:
If an assignee of the entire interest establishes their right to act, they revoke all powers given by the applicant and prior assignees.

A power of attorney by the assignee of the entire interest revokes all powers given by the applicant and prior assignees if the assignee establishes their right to take action as provided in pre-AIA 37 CFR 3.73(b). See MPEP § 324. Ordinarily, the applicant will still have access to the application (MPEP § 106).

Jump to MPEP Source · 37 CFR 3.73(b)Assignee of Entire InterestEstablishing OwnershipAssignee as Applicant Signature
Topic

Pre-AIA 37 CFR 1.47 Filing

1 rules
StatutoryPermittedAlways
[mpep-402-07-c43797113c29576d04f0f0c0]
Assignee Can Revoke Power of Attorney of Available Inventors
Note:
An assignee of the entire interest of available inventors may revoke a power of attorney given by those inventors who have signed the declaration.

In an application that has been accorded status under pre-AIA 37 CFR 1.47(a), or for which status under pre-AIA 37 CFR 1.47(a) has been requested, a power of attorney given by the inventors who have signed the declaration (available inventors) may be revoked by an assignee of the entire interest of the available inventors (i.e., the applicant). See pre-AIA 37 CFR 1.32(b)(4). Rights of the assignee to take action may be established as provided in pre-AIA 37 CFR 3.73(b) and MPEP § 324.

Jump to MPEP Source · 37 CFR 1.47(a)Pre-AIA 37 CFR 1.47 FilingAssignee Rights Pre-AIA (MPEP 307-308)POA Form Requirements
Topic

Power of Attorney Requirements

1 rules
StatutoryInformativeAlways
[mpep-402-07-a83d6979b917f2abbab7728f]
Assignee Can Revoke Inventors' Power of Attorney
Note:
An assignee can revoke the power of attorney given by inventors who have signed a declaration in an application that has been accorded status under pre-AIA 37 CFR 1.47(a).

In an application that has been accorded status under pre-AIA 37 CFR 1.47(a), or for which status under pre-AIA 37 CFR 1.47(a) has been requested, a power of attorney given by the inventors who have signed the declaration (available inventors) may be revoked by an assignee of the entire interest of the available inventors (i.e., the applicant). See pre-AIA 37 CFR 1.32(b)(4). Rights of the assignee to take action may be established as provided in pre-AIA 37 CFR 3.73(b) and MPEP § 324.

Jump to MPEP Source · 37 CFR 1.47(a)Power of Attorney RequirementsAIA vs Pre-AIA PracticePower of Attorney
Topic

POA Form Requirements

1 rules
StatutoryPermittedAlways
[mpep-402-07-a950941c8354d6aa3d97c38b]
Assignee Can Revoke and Appoint New POA Using PTO/SB/80
Note:
An assignee of the entire interest can revoke a power of attorney and appoint a new one using Form PTO/SB/80, requiring signatures from the assignee or a newly appointed practitioner.

Form PTO/SB/80 may be used by an assignee of the entire interest of the applicant to revoke a power of attorney and appoint a new power of attorney. The assignee would sign the power of attorney, and either the assignee or the newly appointed practitioner, having authority to take action on behalf of the assignee would sign a statement under pre-AIA 37 CFR 3.73(b) for the application in which the general power of attorney is to be used. See MPEP § 324, subsection V. for who can sign the Statement Under pre-AIA 37 CFR 3.73(b) (Form PTO/SB/96 or equivalent).

Jump to MPEP Source · 37 CFR 3.73(b)POA Form RequirementsChanging Power of AttorneyAssignee as Applicant Signature
Topic

POA via Customer Number

1 rules
StatutoryPermittedAlways
[mpep-402-07-d38d4f2bf7dade44cc0d7d1b]
Requirement for Signing Statement Under Pre-AIA 37 CFR 3.73(b) When Revoking POA
Note:
An assignee must sign a power of attorney and either the assignee or a newly appointed practitioner with authority to act on their behalf must sign a statement under pre-AIA 37 CFR 3.73(b) when revoking an existing power of attorney.

Form PTO/SB/80 may be used by an assignee of the entire interest of the applicant to revoke a power of attorney and appoint a new power of attorney. The assignee would sign the power of attorney, and either the assignee or the newly appointed practitioner, having authority to take action on behalf of the assignee would sign a statement under pre-AIA 37 CFR 3.73(b) for the application in which the general power of attorney is to be used. See MPEP § 324, subsection V. for who can sign the Statement Under pre-AIA 37 CFR 3.73(b) (Form PTO/SB/96 or equivalent).

Jump to MPEP Source · 37 CFR 3.73(b)POA via Customer NumberPOA Form RequirementsEstablishing Ownership

Citations

Primary topicCitation
AIA Effective Dates37 CFR § 1.32(b)
Establishing Ownership
Power of Attorney Requirements
Pre-AIA 37 CFR 1.47 Filing
37 CFR § 1.32(b)(4)
AIA vs Pre-AIA Practice37 CFR § 1.36
AIA Effective Dates37 CFR § 1.46(c)
Establishing Ownership
Power of Attorney Requirements
Pre-AIA 37 CFR 1.47 Filing
37 CFR § 1.47(a)
Assignee Rights to Take Action (MPEP 324-325)
Assignee as Applicant Signature
Assignee of Entire Interest
Establishing Ownership
POA Form Requirements
POA via Customer Number
Power of Attorney Requirements
Pre-AIA 37 CFR 1.47 Filing
37 CFR § 3.73(b)
Assignee as Applicant Signature
Assignee of Entire Interest
MPEP § 106
Assignee as Applicant Signature
Assignee of Entire Interest
Establishing Ownership
POA Form Requirements
POA via Customer Number
Power of Attorney Requirements
Pre-AIA 37 CFR 1.47 Filing
MPEP § 324
AIA Effective DatesMPEP § 325
AIA Effective DatesMPEP § 402.02(a)
AIA vs Pre-AIA PracticeMPEP § 402.05(b)

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