MPEP § 2532 — Duplicate Payments (Annotated Rules)

§2532 Duplicate Payments

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

This page consolidates and annotates all enforceable requirements under MPEP § 2532, 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 Payments

This section addresses Duplicate Payments. Contains: 1 requirement, 1 guidance statement, and 5 other statements.

Key Rules

Topic

Maintenance Fee Amounts

3 rules
MPEP GuidanceInformativeAlways
[mpep-2532-3a48feadcd4ea74c7e31e0d5]
Return of Duplicate Maintenance Fee
Note:
If a duplicate maintenance fee is submitted and the first payment was properly processed, the Office will return the duplicate payment to the second fee submitter.

In the event a maintenance fee is submitted (hereafter, duplicate payment) in the required amount (including any necessary surcharge) within the payment window for the patent identified for payment, but the same maintenance fee for that patent was already paid by a previous fee submitter (hereafter, first fee submitter), the Office intends to treat the duplicate payment from the second fee submitter as follows:
(B) If the duplicate payment does comply with 37 CFR 1.366(c) by containing both the patent number and the corroborating application number, the Office will verify that the first payment was properly processed. (1) If the first payment was properly processed, the Office will return the duplicate payment to the second fee submitter. In this event the returned payment will be accompanied by identification of the first fee submitter.

Jump to MPEP SourceMaintenance Fee AmountsFee RequirementsMaintenance Fee Payment
MPEP GuidanceInformativeAlways
[mpep-2532-d403dc2094f882904036ad8b]
Returned Duplicate Payment Identifies First Fee Submitter
Note:
If a duplicate maintenance fee payment complies with requirements, the Office will return it to the second payer and identify the first fee submitter.

In the event a maintenance fee is submitted (hereafter, duplicate payment) in the required amount (including any necessary surcharge) within the payment window for the patent identified for payment, but the same maintenance fee for that patent was already paid by a previous fee submitter (hereafter, first fee submitter), the Office intends to treat the duplicate payment from the second fee submitter as follows:
(B) If the duplicate payment does comply with 37 CFR 1.366(c) by containing both the patent number and the corroborating application number, the Office will verify that the first payment was properly processed. (1) If the first payment was properly processed, the Office will return the duplicate payment to the second fee submitter. In this event the returned payment will be accompanied by identification of the first fee submitter.

Jump to MPEP SourceMaintenance Fee AmountsFee RequirementsMaintenance Fee Payment
MPEP GuidanceInformativeAlways
[mpep-2532-7a59e6ec9f26594f48f960ba]
Duplicate Payment Must Be Handled by Office
Note:
The Office must attempt to apply the duplicate payment and retract the first payment if properly processed, or return it with identification of the first fee submitter.

In the event a maintenance fee is submitted (hereafter, duplicate payment) in the required amount (including any necessary surcharge) within the payment window for the patent identified for payment, but the same maintenance fee for that patent was already paid by a previous fee submitter (hereafter, first fee submitter), the Office intends to treat the duplicate payment from the second fee submitter as follows:
(B) If the duplicate payment does comply with 37 CFR 1.366(c) by containing both the patent number and the corroborating application number, the Office will verify that the first payment was properly processed.

Based on this determination the Office will: (a) attempt to apply the duplicate payment (and retract the first payment); or (b) return the duplicate payment to the second fee submitter with identification of the first fee submitter.

Jump to MPEP SourceMaintenance Fee AmountsFee RequirementsMaintenance Fee Payment
Topic

Post-Issuance & Maintenance Fees

2 rules
MPEP GuidanceInformativeAlways
[mpep-2532-2db3cdc6062b747bb19d9436]
Duplicate Payment Not Compliant with 366(c) Returned
Note:
If a duplicate payment does not include both the patent number and corroborating application number as required by 37 CFR 1.366(c), it will be returned to the second fee submitter with an indication that the maintenance fee was already paid.

In the event a maintenance fee is submitted (hereafter, duplicate payment) in the required amount (including any necessary surcharge) within the payment window for the patent identified for payment, but the same maintenance fee for that patent was already paid by a previous fee submitter (hereafter, first fee submitter), the Office intends to treat the duplicate payment from the second fee submitter as follows (A) If the duplicate payment does not comply with 37 CFR 1.366(c) by not containing both the patent number and the corroborating application number, the Office will return the duplicate payment to the second fee submitter with an indication that the maintenance fee for the patent was already paid.

Jump to MPEP SourcePost-Issuance & Maintenance FeesMaintenance Fee AmountsFee Requirements
MPEP GuidanceRecommendedAlways
[mpep-2532-47966ce30dbaa9ee8ae17213]
Review First Payment If Not Properly Processed
Note:
The Office will review the first payment if it was not properly processed and attempt to apply it to a different patent if necessary.

In the event a maintenance fee is submitted (hereafter, duplicate payment) in the required amount (including any necessary surcharge) within the payment window for the patent identified for payment, but the same maintenance fee for that patent was already paid by a previous fee submitter (hereafter, first fee submitter), the Office intends to treat the duplicate payment from the second fee submitter as follows:
(B) If the duplicate payment does comply with 37 CFR 1.366(c) by containing both the patent number and the corroborating application number, the Office will verify that the first payment was properly processed.

(2) If a review of the Office record of the first maintenance fee payment reveals that the first payment was not properly processed (e.g., did not comply with 37 CFR 1.366(c) or was not specially accepted in accordance with MPEP § 2530), the Office will attempt to determine whether the first payment should have been applied to a patent other than the patent identified under 37 CFR 1.366(c) by the second fee submitter.

Jump to MPEP SourcePost-Issuance & Maintenance FeesMaintenance Fee AmountsFee Requirements
Topic

Grace Period Window

1 rules
MPEP GuidanceRequiredAlways
[mpep-2532-b5290de2e6b8e05e497351ff]
Duplicate Maintenance Fee Submission
Note:
The Office will verify if the first payment was properly processed and then either return the duplicate payment to the second fee submitter or apply it to the correct patent.
In the event a maintenance fee is submitted (hereafter, duplicate payment) in the required amount (including any necessary surcharge) within the payment window for the patent identified for payment, but the same maintenance fee for that patent was already paid by a previous fee submitter (hereafter, first fee submitter), the Office intends to treat the duplicate payment from the second fee submitter as follows:
  • (A) If the duplicate payment does not comply with 37 CFR 1.366(c) by not containing both the patent number and the corroborating application number, the Office will return the duplicate payment to the second fee submitter with an indication that the maintenance fee for the patent was already paid.
  • (B) If the duplicate payment does comply with 37 CFR 1.366(c) by containing both the patent number and the corroborating application number, the Office will verify that the first payment was properly processed.
    • (1) If the first payment was properly processed, the Office will return the duplicate payment to the second fee submitter. In this event the returned payment will be accompanied by identification of the first fee submitter.
    • (2) If a review of the Office record of the first maintenance fee payment reveals that the first payment was not properly processed (e.g., did not comply with 37 CFR 1.366(c) or was not specially accepted in accordance with MPEP § 2530), the Office will attempt to determine whether the first payment should have been applied to a patent other than the patent identified under 37 CFR 1.366(c) by the second fee submitter. Based on this determination the Office will: (a) attempt to apply the duplicate payment (and retract the first payment); or (b) return the duplicate payment to the second fee submitter with identification of the first fee submitter.
Jump to MPEP SourceGrace Period WindowSurcharge Fee AmountPost-Issuance & Maintenance Fees
Topic

Fee Requirements

1 rules
MPEP GuidanceInformativeAlways
[mpep-2532-e2f351d6f5245b60f19bfa51]
Verification of Proper First Payment Processing for Duplicate Fees
Note:
The Office will verify that the first payment was properly processed if a duplicate fee submission complies with 37 CFR 1.366(c) by including both the patent number and corroborating application number.
(B) If the duplicate payment does comply with 37 CFR 1.366(c) by containing both the patent number and the corroborating application number, the Office will verify that the first payment was properly processed.
  • (1) If the first payment was properly processed, the Office will return the duplicate payment to the second fee submitter. In this event the returned payment will be accompanied by identification of the first fee submitter.
  • (2) If a review of the Office record of the first maintenance fee payment reveals that the first payment was not properly processed (e.g., did not comply with 37 CFR 1.366(c) or was not specially accepted in accordance with MPEP § 2530), the Office will attempt to determine whether the first payment should have been applied to a patent other than the patent identified under 37 CFR 1.366(c) by the second fee submitter. Based on this determination the Office will: (a) attempt to apply the duplicate payment (and retract the first payment); or (b) return the duplicate payment to the second fee submitter with identification of the first fee submitter.
Jump to MPEP SourceFee RequirementsMaintenance Fee PaymentGrace Period Window

Citations

Primary topicCitation
Fee Requirements
Grace Period Window
Maintenance Fee Amounts
Post-Issuance & Maintenance Fees
37 CFR § 1.366(c)
Grace Period Window
Maintenance Fee Amounts
Post-Issuance & Maintenance Fees
MPEP § 2530

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