MPEP § 323.01 — Correction of Error in Recorded Cover Sheet (Annotated Rules)

§323.01 Correction of Error in Recorded Cover Sheet

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

This page consolidates and annotates all enforceable requirements under MPEP § 323.01, 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.

Correction of Error in Recorded Cover Sheet

This section addresses Correction of Error in Recorded Cover Sheet. Primary authority: 37 CFR 3.11 and 37 CFR 3.34. Contains: 2 guidance statements and 3 other statements.

Key Rules

Topic

Grounds for Reissue

3 rules
StatutoryInformativeAlways
[mpep-323-01-0ff9757ae829a9b08223dbcd]
Correction of Error in Recorded Cover Sheet
Note:
A corrected cover sheet must be filed if the error is apparent when compared to the recorded document.
(a) An error in a cover sheet recorded pursuant to § 3.11 will be corrected only if:
  • (1) The error is apparent when the cover sheet is compared with the recorded document to which it pertains and
  • (2) A corrected cover sheet is filed for recordation.
Jump to MPEP Source · 37 CFR 3.11Grounds for ReissueReissue Patent PracticeAssignment and Ownership (MPEP Chapter 300)
StatutoryInformativeAlways
[mpep-323-01-961df40eb1f91190dd7ffe4b]
Correction of Error in Recorded Cover Sheet
Note:
Errors in a recorded cover sheet can only be corrected if they are apparent from comparing with the assignment document. The corrected sheet must be directed to the Assignment Recordation Branch.

Any alleged error in a recorded cover sheet will only be corrected if the error is apparent from a comparison with the recorded assignment document. The corrected cover sheet should be directed to the Assignment Recordation Branch.

Jump to MPEP Source · 37 CFR 3.34Grounds for ReissueAssignment and Ownership (MPEP Chapter 300)Reissue Patent Practice
StatutoryInformativeAlways
[mpep-323-01-f059e0af47e8d0644f1631cb]
Party Recording Document Must Correct Errors
Note:
The party recording the document is responsible for filing papers and paying recordation fees to correct any errors, following MPEP procedures.

Typographical errors made by the Office will be corrected promptly and without charge upon written request directed to the Assignment Recordation Branch. For any other error, the party recording the document is responsible for filing the papers and paying the recordation fees necessary to correct the error, using the procedures set forth in MPEP §§ 323.01(a) through 323.01(c).

Jump to MPEP Source · 37 CFR 3.34Grounds for ReissuePTAB Contested Case ProceduresReissue Patent Practice
Topic

Assignment and Ownership (MPEP Chapter 300)

3 rules
StatutoryInformativeAlways
[mpep-323-01-c7726be76fce8fc379d7dfc6]
Recordation of Corrected Cover Sheet Required
Note:
A corrected cover sheet must be filed for recordation if an error is found in a previously recorded cover sheet.

(a) An error in a cover sheet recorded pursuant to § 3.11 will be corrected only if:

(2) A corrected cover sheet is filed for recordation.

Jump to MPEP Source · 37 CFR 3.11Assignment and Ownership (MPEP Chapter 300)Grounds for ReissueReissue Patent Practice
StatutoryRecommendedAlways
[mpep-323-01-5b2e2135d0d9e06d83c0e11d]
Corrected Cover Sheet Must Be Sent to Assignment Recordation Branch
Note:
The corrected cover sheet, if an error is apparent from the assignment document, must be directed to the Assignment Recordation Branch.

Any alleged error in a recorded cover sheet will only be corrected if the error is apparent from a comparison with the recorded assignment document. The corrected cover sheet should be directed to the Assignment Recordation Branch.

Jump to MPEP Source · 37 CFR 3.34Assignment and Ownership (MPEP Chapter 300)Grounds for ReissueReissue Patent Practice
StatutoryInformativeAlways
[mpep-323-01-bccc801c956416ba621c8c03]
Correction of Typographical Errors in Recorded Documents
Note:
The Office will correct typographical errors upon written request without charge, but other errors require the party recording to file corrected documents and pay fees.

Typographical errors made by the Office will be corrected promptly and without charge upon written request directed to the Assignment Recordation Branch. For any other error, the party recording the document is responsible for filing the papers and paying the recordation fees necessary to correct the error, using the procedures set forth in MPEP §§ 323.01(a) through 323.01(c).

Jump to MPEP Source · 37 CFR 3.34Assignment and Ownership (MPEP Chapter 300)Grounds for ReissuePTAB Contested Case Procedures
Topic

Miscellaneous Fees

1 rules
StatutoryRequiredAlways
[mpep-323-01-d5c940a191e239b42240459c]
Corrected Cover Sheet Requires Original Document and Fee
Note:
The corrected cover sheet must be accompanied by a copy of the original document submitted for recording and the appropriate fee.

(b) The corrected cover sheet must be accompanied by a copy of the document originally submitted for recording and by the recording fee as set forth in § 3.41.

Jump to MPEP Source · 37 CFR 3.41Miscellaneous FeesFee RequirementsAssignment and Ownership (MPEP Chapter 300)
Topic

PTAB Contested Case Procedures

1 rules
StatutoryRecommendedAlways
[mpep-323-01-7e46218511b625b9954c982b]
Review Required for Recorded Cover Sheet
Note:
The party recording the document must carefully examine the notice of recordation to ensure accuracy.

The party recording the document should carefully review the notice of recordation.

Jump to MPEP Source · 37 CFR 3.34PTAB Contested Case ProceduresAssignment and Ownership (MPEP Chapter 300)

Citations

Primary topicCitation
Assignment and Ownership (MPEP Chapter 300)
Grounds for Reissue
37 CFR § 3.11
Miscellaneous Fees37 CFR § 3.41
Assignment and Ownership (MPEP Chapter 300)
Grounds for Reissue
MPEP § 323.01(a)

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