MPEP § 2754.02 — Filing Window for an Application Under 35 U.S.C. 156(d)(5) (Annotated Rules)

§2754.02 Filing Window for an Application Under 35 U.S.C. 156(d)(5)

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

This page consolidates and annotates all enforceable requirements under MPEP § 2754.02, 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.

Filing Window for an Application Under 35 U.S.C. 156(d)(5)

This section addresses Filing Window for an Application Under 35 U.S.C. 156(d)(5). Primary authority: 35 U.S.C. 156(d)(5), 35 U.S.C. 156(d)(5)(C), and 35 U.S.C. 156(d)(1). Contains: 3 requirements and 1 permission.

Key Rules

Topic

Maintenance Fee Due Dates

2 rules
StatutoryRequiredAlways
[mpep-2754-02-90a29a1d452c1e2377c1f220]
Subsequent Interim Extensions Must Be Filed During Specific Window
Note:
Each subsequent application for interim extension must be filed using the USPTO patent electronic filing system within sixty days before and thirty days after the preceding interim extension expires.

A first application for interim extension under 35 U.S.C. 156(d)(5) (to extend the patent term before product approval) must be filed using the USPTO patent electronic filing system (Patent Center) within the period beginning six months and ending fifteen days before the patent is due to expire. Each subsequent application for interim extension must be filed using the USPTO patent electronic filing system during the period beginning sixty days before and ending thirty days before the expiration of the preceding interim extension. 35 U.S.C. 156(d)(5)(C). An interim extension granted under 35 U.S.C. 156(d)(5) terminates sixty days after permission for commercial marketing or use of the product is granted. However, if within the sixty-day period any additional information needed for an application for patent term extension under 35 U.S.C. 156(d)(1) is submitted, the patent may be further extended. See 35 U.S.C. 156(d)(5)(E) and 37 CFR 1.791. The additional information required to be submitted includes the fee for an application for patent term extension under 35 U.S.C. 156(d)(1), identification of the date the product received permission for commercial marketing or use, a statement that the application is being submitted within sixty days of such date, and identification of the last date that the application could be submitted.

Jump to MPEP Source · 37 CFR 1.791Maintenance Fee Due DatesMaintenance Fee AmountsMaintenance Fee Payment
StatutoryPermittedAlways
[mpep-2754-02-9452105a1173a85206fcc2fb]
Interim Extension Terminates After Product Approval But May Be Extended With Additional Information
Note:
An interim extension granted under 35 U.S.C. 156(d)(5) terminates sixty days after product approval but can be extended if additional information for a patent term extension is submitted within that period.

A first application for interim extension under 35 U.S.C. 156(d)(5) (to extend the patent term before product approval) must be filed using the USPTO patent electronic filing system (Patent Center) within the period beginning six months and ending fifteen days before the patent is due to expire. Each subsequent application for interim extension must be filed using the USPTO patent electronic filing system during the period beginning sixty days before and ending thirty days before the expiration of the preceding interim extension. 35 U.S.C. 156(d)(5)(C). An interim extension granted under 35 U.S.C. 156(d)(5) terminates sixty days after permission for commercial marketing or use of the product is granted. However, if within the sixty-day period any additional information needed for an application for patent term extension under 35 U.S.C. 156(d)(1) is submitted, the patent may be further extended. See 35 U.S.C. 156(d)(5)(E) and 37 CFR 1.791. The additional information required to be submitted includes the fee for an application for patent term extension under 35 U.S.C. 156(d)(1), identification of the date the product received permission for commercial marketing or use, a statement that the application is being submitted within sixty days of such date, and identification of the last date that the application could be submitted.
35 U.S.C. 156(d)(5)(C) An interim extension granted under 35 U.S.C. 156(d)(5) terminates sixty days after permission for commercial marketing or use of the product is granted. However, if within the sixty-day period any additional information needed for an application for patent term extension under 35 U.S.C. 156(d)(1) is submitted, the patent may be further extended. See 35 U.S.C. 156(d)(5)(E) and 37 CFR 1.791.

Jump to MPEP Source · 37 CFR 1.791Maintenance Fee Due DatesMaintenance Fee AmountsMaintenance Fee Payment
Topic

Maintenance Fee Payment

1 rules
StatutoryRequiredAlways
[mpep-2754-02-6f0470f61b301d548af6e1d3]
First Interim Extension Application Must Be Filed Using Patent Center
Note:
The first application for extending patent term before product approval must be filed using the USPTO's Patent Center within six months to fifteen days before the patent expires.

A first application for interim extension under 35 U.S.C. 156(d)(5) (to extend the patent term before product approval) must be filed using the USPTO patent electronic filing system (Patent Center) within the period beginning six months and ending fifteen days before the patent is due to expire. Each subsequent application for interim extension must be filed using the USPTO patent electronic filing system during the period beginning sixty days before and ending thirty days before the expiration of the preceding interim extension. 35 U.S.C. 156(d)(5)(C). An interim extension granted under 35 U.S.C. 156(d)(5) terminates sixty days after permission for commercial marketing or use of the product is granted. However, if within the sixty-day period any additional information needed for an application for patent term extension under 35 U.S.C. 156(d)(1) is submitted, the patent may be further extended. See 35 U.S.C. 156(d)(5)(E) and 37 CFR 1.791. The additional information required to be submitted includes the fee for an application for patent term extension under 35 U.S.C. 156(d)(1), identification of the date the product received permission for commercial marketing or use, a statement that the application is being submitted within sixty days of such date, and identification of the last date that the application could be submitted.

Jump to MPEP Source · 37 CFR 1.791Maintenance Fee PaymentMaintenance Fee Due DatesMaintenance Fee Amounts
Topic

Maintenance Fee Amounts

1 rules
StatutoryRequiredAlways
[mpep-2754-02-b89af295b56296d206d8b287]
Additional Information for Patent Term Extension Required Within Sixty Days
Note:
The rule requires submitting additional information, including the fee and specific dates, within sixty days of product commercial marketing or use to extend patent term.

A first application for interim extension under 35 U.S.C. 156(d)(5) (to extend the patent term before product approval) must be filed using the USPTO patent electronic filing system (Patent Center) within the period beginning six months and ending fifteen days before the patent is due to expire. Each subsequent application for interim extension must be filed using the USPTO patent electronic filing system during the period beginning sixty days before and ending thirty days before the expiration of the preceding interim extension. 35 U.S.C. 156(d)(5)(C). An interim extension granted under 35 U.S.C. 156(d)(5) terminates sixty days after permission for commercial marketing or use of the product is granted. However, if within the sixty-day period any additional information needed for an application for patent term extension under 35 U.S.C. 156(d)(1) is submitted, the patent may be further extended. See 35 U.S.C. 156(d)(5)(E) and 37 CFR 1.791. The additional information required to be submitted includes the fee for an application for patent term extension under 35 U.S.C. 156(d)(1), identification of the date the product received permission for commercial marketing or use, a statement that the application is being submitted within sixty days of such date, and identification of the last date that the application could be submitted.

Jump to MPEP Source · 37 CFR 1.791Maintenance Fee AmountsMaintenance Fee Due DatesMaintenance Fee Payment
Topic

Patent Term Extension

1 rules
StatutoryInformativeAlways
[mpep-2754-02-453d267eb17f782640ed2ee3]
Interim Extension of Patent Term Under 35 U.S.C. 156(d)(5)
Note:
Provides for the interim extension of patent term under 35 U.S.C. 156(d)(5).

See MPEP § 2755.02 for additional information pertaining to the interim extension of patent term under 35 U.S.C. 156(d)(5).

Jump to MPEP SourcePatent Term ExtensionPatent Term BasicsPatent Term

Citations

Primary topicCitation
Maintenance Fee Amounts
Maintenance Fee Due Dates
Maintenance Fee Payment
35 U.S.C. § 156(d)(1)
Maintenance Fee Amounts
Maintenance Fee Due Dates
Maintenance Fee Payment
Patent Term Extension
35 U.S.C. § 156(d)(5)
Maintenance Fee Amounts
Maintenance Fee Due Dates
Maintenance Fee Payment
35 U.S.C. § 156(d)(5)(C)
Maintenance Fee Amounts
Maintenance Fee Due Dates
Maintenance Fee Payment
35 U.S.C. § 156(d)(5)(E)
35 U.S.C. § 156(e)(2)
37 CFR § 1.740(a)(3)
Maintenance Fee Amounts
Maintenance Fee Due Dates
Maintenance Fee Payment
37 CFR § 1.791
Patent Term ExtensionMPEP § 2755.02

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