MPEP § 2501 — Introduction (Annotated Rules)

§2501 Introduction

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

This page consolidates and annotates all enforceable requirements under MPEP § 2501, 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.

Introduction

This section addresses Introduction. Primary authority: 35 U.S.C. 41. Contains: 1 statement.

Key Rules

Topic

Correspondence Address Requirements

1 rules
StatutoryInformativeAlways
[mpep-2501-2ee0a03f3d3e8934c7184b00]
Correspondence Address and Powers of Attorney Must Be Updated Post-Issuance
Note:
OPAP requires updates to patent post-issuance automated files for changes in correspondence address and powers of attorney.
The Office of Patent Application Processing (OPAP) updates patent post issuance automated files with the following information:
  • (A) Changes of Correspondence Address
  • (B) Powers of Attorney and Revocations Thereof
Jump to MPEP SourceCorrespondence Address RequirementsCorrespondence with the OfficeCorrespondence Address

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