MPEP § 405 — Interviews With Patent Practitioner Not of Record (Annotated Rules)

§405 Interviews With Patent Practitioner Not of Record

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

This page consolidates and annotates all enforceable requirements under MPEP § 405, 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.

Interviews With Patent Practitioner Not of Record

This section addresses Interviews With Patent Practitioner Not of Record. Primary authority: 35 U.S.C. 122(b), 35 U.S.C. 122(a), and 37 CFR 1.34. Contains: 5 permissions.

Key Rules

Topic

Practitioner Conduct and Certification

2 rules
StatutoryPermittedAlways
[mpep-405-f8432c82c60656adb075fc09]
Filing Papers by Registered Attorney/Agent Not of Record
Note:
A registered attorney or agent not on record can file papers in patent applications and reexamination proceedings, representing they are authorized to act for the applicant. However, this filing only represents concurrent authorization and does not imply permission to conduct interviews.

Papers may be filed in patent applications and reexamination proceedings by registered attorneys or agents not of record under 37 CFR 1.34. Filing of such papers is considered to be a representation that the attorney or agent is authorized to act in a representative capacity on behalf of applicant. See MPEP § 402.04. However, the filing of a paper is only a representation with respect to the concurrent filing, and the filing of a paper that is not related to an interview does not show authorization to conduct an interview.

Jump to MPEP Source · 37 CFR 1.34Practitioner Conduct and CertificationPractitioner Recognition and Conduct
StatutoryPermittedAlways
[mpep-405-65dbf083450f759148db095e]
Authorization for Interview Required
Note:
The rule requires obtaining authorization through Form/PTO/SB/84 to conduct an interview with a patent practitioner not of record.

Alternatively, Form/PTO/SB/84, "Authorization to Act in a Representative Capacity," which is available from the USPTO website at www.uspto.gov/sites/default/files/web/forms/sb0084.pdf may be used to establish the authority to conduct an interview.

Jump to MPEP SourcePractitioner Conduct and CertificationPractitioner Recognition and Conduct
Topic

POA Form Requirements

1 rules
StatutoryPermittedAlways
[mpep-405-ef7e1db478f4ba6f5f79dbb7]
Authorization for Interview Through PTOL-413A Required
Note:
Registered practitioners must complete, sign, and file an Applicant Initiated Interview Request Form (PTOL-413A) to conduct an interview, eliminating the need for prior power of attorney or authorization.

Registered practitioners can show authorization to act in a representative capacity for purposes of conducting an interview by completing, signing, and filing an Applicant Initiated Interview Request Form (PTOL-413A). See MPEP §§ 713.01 and 713.05. This eliminates the need to file a power of attorney or authorization to act in a representative capacity before having an interview. However, an interview concerning an application that has not been published under 35 U.S.C. 122(b) with an attorney or agent not of record who obtains authorization through use of the interview request form will be conducted based on the information and files supplied by the attorney or agent in view of the confidentiality requirements of 35 U.S.C. 122(a).

Jump to MPEP SourcePOA Form RequirementsPower of Attorney by AssigneePower of Attorney Requirements
Topic

Sanctions for Misconduct

1 rules
StatutoryPermittedAlways
[mpep-405-8f34f469e34040ae37dd5fcf]
Authorization for Interviews by Design Patent Practitioners Only
Note:
Design patent practitioners must show authorization to conduct interviews, and third parties may face disciplinary action if they attempt such actions without permission.

Design patent practitioners can only use acting in a representative capacity under 37 CFR 1.34 to show authorization to conduct interviews in design patent matters. See MPEP §§ 402.04 and 1502.02. Also, the use of the provisions of 37 CFR 1.34 by a third party or its representative to conduct an interview, or take other action not specifically permitted by the rules of practice in an application for patent, is considered a violation of 37 CFR 11.18 and may result in disciplinary action if done by a practitioner.

Jump to MPEP Source · 37 CFR 1.34Sanctions for MisconductPractitioner Conduct and CertificationPractitioner Recognition and Conduct
Topic

Practitioner Authority to Inspect

1 rules
StatutoryPermittedAlways
[mpep-405-279549adc9ebef6d5eb0f945]
Attorney Can Sign Change of Correspondence Address
Note:
An attorney who is not currently listed as a record can sign documents related to changing the correspondence address or granting access.

See MPEP § 402.03 for information regarding when a change of correspondence address or a document granting access (i.e., a power to inspect) may be signed by an attorney or agent who is not of record.

Jump to MPEP SourcePractitioner Authority to InspectPower to Inspect Application (MPEP 104)Correspondence Address Requirements

Citations

Primary topicCitation
POA Form Requirements35 U.S.C. § 122(a)
POA Form Requirements35 U.S.C. § 122(b)
Practitioner Conduct and Certification
Sanctions for Misconduct
37 CFR § 1.34
Sanctions for Misconduct37 CFR § 11.18
Practitioner Authority to InspectMPEP § 402.03
Practitioner Conduct and Certification
Sanctions for Misconduct
MPEP § 402.04
POA Form RequirementsMPEP § 713.01

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