MPEP § 409.03(g) — Proof of Irreparable Damage (Annotated Rules)

§409.03(g) Proof of Irreparable Damage

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

This page consolidates and annotates all enforceable requirements under MPEP § 409.03(g), 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.

Proof of Irreparable Damage

This section addresses Proof of Irreparable Damage. Primary authority: 37 CFR 1.47(b). Contains: 1 permission.

Key Rules

Topic

Assignee as Applicant Signature

1 rules
StatutoryPermittedAlways
[mpep-409-03-g-921b731676a7226d59f94e39]
Filing Date Necessary to Preserve Rights
Note:
A pre-AIA 37 CFR 1.47(b) applicant must show that a filing date is necessary to preserve their rights or prevent irreparable damage.

Irreparable damage may be established by a pre-AIA 37 CFR 1.47(b) applicant by a showing (a statement) that a filing date is necessary to preserve the rights of the party or to prevent irreparable damage.

Jump to MPEP Source · 37 CFR 1.47(b)Assignee as Applicant SignatureApplicant and Assignee Filing Under AIAAIA vs Pre-AIA Practice

Citations

Primary topicCitation
Assignee as Applicant Signature37 CFR § 1.47(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