MPEP § 1893.01(a)(4) — Claim Amendment (Filed With the U.S. Designated or Elected Office) (Annotated Rules)

§1893.01(a)(4) Claim Amendment (Filed With the U.S. Designated or Elected Office)

USPTO MPEP version: BlueIron's Update: 2026-01-17

This page consolidates and annotates all enforceable requirements under MPEP § 1893.01(a)(4), 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.

Claim Amendment (Filed With the U.S. Designated or Elected Office)

This section addresses Claim Amendment (Filed With the U.S. Designated or Elected Office). Primary authority: 37 CFR 1.121 and 37 CFR 1.121(c). Contains: 6 requirements and 1 other statement.

Key Rules

Topic

Article 19 Amendment Scope

4 rules
StatutoryRequiredAlways
[mpep-1893-01-a-4-836cb6c441122420b1fd15f4]
Claims Must Indicate Additions and Deletions
Note:
Currently amended claims must be marked with underlining for additions and strike-through or double brackets for deletions.

All “currently amended” claims must include markings to indicate the changes made relative to the immediate prior version of the claims: underlining to indicate additions, strike-through or double brackets for deletions (see 37 CFR 1.121(c) for further details regarding the format of claim amendments). Applicants should note that, in an amendment to the claims filed in a national phase application, the status identifier “original” must be used for claims that had been presented on the international filing date and not modified or canceled. The status identifier “previously presented” must be used in any amendment submitted during the national phase for any claims added or modified under PCT Articles 19 or 34 in the international phase that were subsequently entered in the national phase. The status identifier “canceled” must be used in any amendment submitted during the national phase for any claims canceled under a PCT Article 19 or 34 amendment in the international phase and subsequently entered in the national phase.

Jump to MPEP Source · 37 CFR 1.121(c)Article 19 Amendment ScopePCT Claims FormatPCT Article 19 Amendments
StatutoryRequiredAlways
[mpep-1893-01-a-4-ef744a794f9417c1bcb329e9]
Original Claims Must Use 'Original' Identifier
Note:
Applicants must use the status identifier 'original' for claims that were presented on the international filing date and not modified or canceled in national phase amendments.

All “currently amended” claims must include markings to indicate the changes made relative to the immediate prior version of the claims: underlining to indicate additions, strike-through or double brackets for deletions (see 37 CFR 1.121(c) for further details regarding the format of claim amendments). Applicants should note that, in an amendment to the claims filed in a national phase application, the status identifier “original” must be used for claims that had been presented on the international filing date and not modified or canceled. The status identifier “previously presented” must be used in any amendment submitted during the national phase for any claims added or modified under PCT Articles 19 or 34 in the international phase that were subsequently entered in the national phase. The status identifier “canceled” must be used in any amendment submitted during the national phase for any claims canceled under a PCT Article 19 or 34 amendment in the international phase and subsequently entered in the national phase.

Jump to MPEP Source · 37 CFR 1.121(c)Article 19 Amendment ScopeStatement Under Article 19International Filing Date
StatutoryRequiredAlways
[mpep-1893-01-a-4-e8cc2280c3131a57ab21e8a7]
Previously Presented Claims Must Be Marked
Note:
Any claims added or modified under PCT Articles 19 or 34 in the international phase and subsequently entered in the national phase must be marked with 'previously presented' in any amendment submitted during the national phase.

All “currently amended” claims must include markings to indicate the changes made relative to the immediate prior version of the claims: underlining to indicate additions, strike-through or double brackets for deletions (see 37 CFR 1.121(c) for further details regarding the format of claim amendments). Applicants should note that, in an amendment to the claims filed in a national phase application, the status identifier “original” must be used for claims that had been presented on the international filing date and not modified or canceled. The status identifier “previously presented” must be used in any amendment submitted during the national phase for any claims added or modified under PCT Articles 19 or 34 in the international phase that were subsequently entered in the national phase. The status identifier “canceled” must be used in any amendment submitted during the national phase for any claims canceled under a PCT Article 19 or 34 amendment in the international phase and subsequently entered in the national phase.

Jump to MPEP Source · 37 CFR 1.121(c)Article 19 Amendment ScopeStatement Under Article 19Nationals and Residents
StatutoryRequiredAlways
[mpep-1893-01-a-4-5d94d97776e8a1c7003bcf7a]
Canceled Claims Must Use 'Canceled' Status in National Phase
Note:
Claims canceled under PCT Article 19 or 34 amendments must be marked with the status identifier ‘canceled’ in any subsequent national phase amendment.

All “currently amended” claims must include markings to indicate the changes made relative to the immediate prior version of the claims: underlining to indicate additions, strike-through or double brackets for deletions (see 37 CFR 1.121(c) for further details regarding the format of claim amendments). Applicants should note that, in an amendment to the claims filed in a national phase application, the status identifier “original” must be used for claims that had been presented on the international filing date and not modified or canceled. The status identifier “previously presented” must be used in any amendment submitted during the national phase for any claims added or modified under PCT Articles 19 or 34 in the international phase that were subsequently entered in the national phase. The status identifier “canceled” must be used in any amendment submitted during the national phase for any claims canceled under a PCT Article 19 or 34 amendment in the international phase and subsequently entered in the national phase.

Jump to MPEP Source · 37 CFR 1.121(c)Article 19 Amendment ScopeStatement Under Article 19Nationals and Residents
Topic

Sequence Listing Format

2 rules
StatutoryRequiredAlways
[mpep-1893-01-a-4-8b33060bb5f010f3b35d441c]
Claim Listing Requirements for Amendments
Note:
Claims must be listed with their status identifiers, including original, amended, canceled, withdrawn, previously presented, new, and not entered.

For the manner of making amendments and the required format, see the applicable U.S. regulations, in particular 37 CFR 1.121 and 1.125. One of the requirements for effectively amending claims in a national phase application is a complete listing of all claims ever presented, including the text of all pending and withdrawn claims. The status of every claim in such listing must be indicated after its claim number by one of the following identifiers in a parenthetical expression: (Original), (Currently Amended), (Canceled), (Withdrawn), (Previously Presented), (New), and (Not Entered). However, to prevent delays in prosecution, the Office may waive certain provisions of 37 CFR 1.121 and accept alternative status identifiers not specifically set forth in 37 CFR 1.121(c). Accordingly claim listings that include alternative status identifiers as set forth in MPEP § 714, subsection II.C, item (E) will be accepted if the amendment otherwise complies with 37 CFR 1.121. See MPEP § 714, subsection II.C, item (E) and Acceptance of Certain Non-Compliant Amendments Under 37 CFR 1.121(c), 1296 OG 27 (July 5, 2005).

Jump to MPEP Source · 37 CFR 1.121Sequence Listing FormatSequence Listing Requirements
StatutoryInformativeAlways
[mpep-1893-01-a-4-4b65ddb5807c992043c46652]
Acceptance of Alternative Claim Status Identifiers
Note:
Claim listings using alternative status identifiers as specified in MPEP § 714, subsection II.C, item (E) are accepted if the amendment otherwise complies with 37 CFR 1.121.

For the manner of making amendments and the required format, see the applicable U.S. regulations, in particular 37 CFR 1.121 and 1.125. One of the requirements for effectively amending claims in a national phase application is a complete listing of all claims ever presented, including the text of all pending and withdrawn claims. The status of every claim in such listing must be indicated after its claim number by one of the following identifiers in a parenthetical expression: (Original), (Currently Amended), (Canceled), (Withdrawn), (Previously Presented), (New), and (Not Entered). However, to prevent delays in prosecution, the Office may waive certain provisions of 37 CFR 1.121 and accept alternative status identifiers not specifically set forth in 37 CFR 1.121(c). Accordingly claim listings that include alternative status identifiers as set forth in MPEP § 714, subsection II.C, item (E) will be accepted if the amendment otherwise complies with 37 CFR 1.121. See MPEP § 714, subsection II.C, item (E) and Acceptance of Certain Non-Compliant Amendments Under 37 CFR 1.121(c), 1296 OG 27 (July 5, 2005).

Jump to MPEP Source · 37 CFR 1.121Sequence Listing FormatSequence Listing Requirements
Topic

Sequence Listing Requirements

1 rules
StatutoryRequiredAlways
[mpep-1893-01-a-4-71cf4bdb073d046f695b79ff]
Claim Status Must Be Clearly Identified
Note:
All claims must be listed with their status indicated using specific identifiers to ensure proper amendment and prevent prosecution delays.

For the manner of making amendments and the required format, see the applicable U.S. regulations, in particular 37 CFR 1.121 and 1.125. One of the requirements for effectively amending claims in a national phase application is a complete listing of all claims ever presented, including the text of all pending and withdrawn claims. The status of every claim in such listing must be indicated after its claim number by one of the following identifiers in a parenthetical expression: (Original), (Currently Amended), (Canceled), (Withdrawn), (Previously Presented), (New), and (Not Entered). However, to prevent delays in prosecution, the Office may waive certain provisions of 37 CFR 1.121 and accept alternative status identifiers not specifically set forth in 37 CFR 1.121(c). Accordingly claim listings that include alternative status identifiers as set forth in MPEP § 714, subsection II.C, item (E) will be accepted if the amendment otherwise complies with 37 CFR 1.121. See MPEP § 714, subsection II.C, item (E) and Acceptance of Certain Non-Compliant Amendments Under 37 CFR 1.121(c), 1296 OG 27 (July 5, 2005).

Jump to MPEP Source · 37 CFR 1.121Sequence Listing RequirementsSequence Listing Format

Citations

Primary topicCitation
Sequence Listing Format
Sequence Listing Requirements
37 CFR § 1.121
Article 19 Amendment Scope
Sequence Listing Format
Sequence Listing Requirements
37 CFR § 1.121(c)
Sequence Listing Format
Sequence Listing Requirements
MPEP § 714
Article 19 Amendment ScopePCT Article 19

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: 2026-01-17