MPEP § 502.04 — Duplicate Copies of Correspondence (Annotated Rules)

§502.04 Duplicate Copies of Correspondence

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

This page consolidates and annotates all enforceable requirements under MPEP § 502.04, 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.

Duplicate Copies of Correspondence

This section addresses Duplicate Copies of Correspondence. Primary authority: 37 CFR 1.4. Contains: 2 permissions.

Key Rules

Topic

Signature Requirements

2 rules
StatutoryPermittedAlways
[mpep-502-04-0bfac9e88f040b2e45300c26]
Multiple Copies May Delay Processing
Note:
If the Office does not require duplicate copies, filing multiple copies may cause a delay in processing.

When the Office does not require duplicate copies of a paper, the filing of multiple copies may cause a delay in processing by the Office. Accordingly, the Office may discard duplicate copies of correspondence filed in an application or patent file.

Jump to MPEP Source · 37 CFR 1.4Signature Requirements
StatutoryPermittedAlways
[mpep-502-04-a34145bf5e815cefad7ec634]
Office May Discard Duplicate Correspondence
Note:
The Office is permitted to discard duplicate copies of correspondence filed in an application or patent file if not required by the Office.

When the Office does not require duplicate copies of a paper, the filing of multiple copies may cause a delay in processing by the Office. Accordingly, the Office may discard duplicate copies of correspondence filed in an application or patent file.

Jump to MPEP Source · 37 CFR 1.4Signature Requirements

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