MPEP § 601.01(b) — Provisional Applications Filed Under 35 U.S.C. 111(b) (Annotated Rules)

§601.01(b) Provisional Applications Filed Under 35 U.S.C. 111(b)

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

This page consolidates and annotates all enforceable requirements under MPEP § 601.01(b), 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.

Provisional Applications Filed Under 35 U.S.C. 111(b)

This section addresses Provisional Applications Filed Under 35 U.S.C. 111(b). Primary authority: 35 U.S.C. 119(e), 37 CFR 1.53(c), and 37 CFR 1.53(b). Contains: 3 requirements, 3 permissions, and 4 other statements.

Key Rules

Topic

Provisional Application Requirements

11 rules
StatutoryInformativeAlways
[mpep-601-01-b-8b56bcbd2750e0c49b3bb9bb]
Specification Required for Filing Date of Provisional Application
Note:
A provisional application filed on or after December 18, 2013 will receive a filing date based on the receipt of a specification, with or without claims.

A provisional application filed on or after December 18, 2013 will be given a filing date as of the date a specification, with or without claims, is received in the Office. For provisional applications filed prior to December 18, 2013, the application will be given a filing date in accordance with pre-PLT (AIA) 37 CFR 1.53(c) as of the date the written description and any necessary drawings are filed in the Office. The filing date requirements for a provisional application set forth in 37 CFR 1.53(c) substantially parallel the requirements for a nonprovisional application set forth in 37 CFR 1.53(b). Amendments, other than those required to make the provisional application comply with applicable regulations, are not permitted after the filing date of the provisional application.

Jump to MPEP Source · 37 CFR 1.53(c)Provisional Application RequirementsComponents Required for Filing DateProvisional Applications
StatutoryInformativeAlways
[mpep-601-01-b-280d7a92c8d30d5bc1cb3581]
Filing Date for Pre-PLT Provisional Applications
Note:
For provisional applications filed before December 18, 2013, the filing date is determined by the submission of a written description and necessary drawings.

A provisional application filed on or after December 18, 2013 will be given a filing date as of the date a specification, with or without claims, is received in the Office. For provisional applications filed prior to December 18, 2013, the application will be given a filing date in accordance with pre-PLT (AIA) 37 CFR 1.53(c) as of the date the written description and any necessary drawings are filed in the Office. The filing date requirements for a provisional application set forth in 37 CFR 1.53(c) substantially parallel the requirements for a nonprovisional application set forth in 37 CFR 1.53(b). Amendments, other than those required to make the provisional application comply with applicable regulations, are not permitted after the filing date of the provisional application.

Jump to MPEP Source · 37 CFR 1.53(c)Provisional Application RequirementsFiling Date RequirementsSpecification
StatutoryRequiredAlways
[mpep-601-01-b-35282e6ef74452621ff9e6f2]
Amendments Not Permitted After Filing Date
Note:
No amendments are allowed after the filing date of a provisional application, except those required to comply with regulations.

A provisional application filed on or after December 18, 2013 will be given a filing date as of the date a specification, with or without claims, is received in the Office. For provisional applications filed prior to December 18, 2013, the application will be given a filing date in accordance with pre-PLT (AIA) 37 CFR 1.53(c) as of the date the written description and any necessary drawings are filed in the Office. The filing date requirements for a provisional application set forth in 37 CFR 1.53(c) substantially parallel the requirements for a nonprovisional application set forth in 37 CFR 1.53(b). Amendments, other than those required to make the provisional application comply with applicable regulations, are not permitted after the filing date of the provisional application.

Jump to MPEP Source · 37 CFR 1.53(c)Provisional Application RequirementsProhibited Specification ContentProvisional Applications
StatutoryPermittedAlways
[mpep-601-01-b-b8e2323dcb26cec771fa9a3c]
Provisional Application Must Have Cover Sheet
Note:
All provisional applications must be filed with a cover sheet, which can be an application data sheet or a cover letter identifying the application as provisional.

37 CFR 1.53(c)(1) requires all provisional applications be filed with a cover sheet, which may be an application data sheet (37 CFR 1.76) or a cover letter identifying the application as a provisional application. The Office will treat an application as having been filed under 37 CFR 1.53(b), unless the application is clearly identified as a provisional application. A provisional application, which is identified as such, but which does not have a complete cover sheet as required by 37 CFR 1.51(c)(1) will be treated as a provisional application. However, the complete cover sheet and a surcharge will be required to be submitted at a later date in conformance with 37 CFR 1.53(g).

Jump to MPEP Source · 37 CFR 1.53(c)(1)Provisional Application RequirementsProvisional ApplicationsApplication Types and Filing
StatutoryRequiredAlways
[mpep-601-01-b-204de45b697008d9e371147f]
Provisional Application Must Have Complete Cover Sheet
Note:
A provisional application must include a complete cover sheet as required by 37 CFR 1.51(c)(1), or it will be treated as such and require submission of the cover sheet and a surcharge later.

37 CFR 1.53(c)(1) requires all provisional applications be filed with a cover sheet, which may be an application data sheet (37 CFR 1.76) or a cover letter identifying the application as a provisional application. The Office will treat an application as having been filed under 37 CFR 1.53(b), unless the application is clearly identified as a provisional application. A provisional application, which is identified as such, but which does not have a complete cover sheet as required by 37 CFR 1.51(c)(1) will be treated as a provisional application. However, the complete cover sheet and a surcharge will be required to be submitted at a later date in conformance with 37 CFR 1.53(g).

Jump to MPEP Source · 37 CFR 1.53(c)(1)Provisional Application RequirementsProvisional ApplicationsApplication Types and Filing
StatutoryInformativeAlways
[mpep-601-01-b-acb81b4090667eb106d86375]
Provisional Application Must Have Cover Sheet and Fee
Note:
Applicant must provide a complete cover sheet and appropriate fee within two months of notification to avoid application abandonment.

When the provisional application does not have a complete cover sheet or the appropriate fee, the applicant will be notified pursuant to 37 CFR 1.53(g) and given a time period in which to provide the necessary fee or cover sheet and to pay the surcharge as set forth in 37 CFR 1.16(g) in order to avoid abandonment of the application. The time period will usually be set at two (2) months from the date of notification. This time period may be extended under 37 CFR 1.136(a). If the filing fee is not timely paid, the Office may dispose of the provisional application. If no correspondence address has been provided, applicant has two months from the filing date to file the basic filing fee, cover sheet, and to pay the surcharge as set forth in 37 CFR 1.16(g) in order to avoid abandonment of the provisional application. Copies of a provisional application will be provided by the USPTO upon request and payment of the fee set forth in 37 CFR 1.19(b) unless the provisional application has been disposed of (see 37 CFR 1.53(e) and (g)).

Jump to MPEP Source · 37 CFR 1.53(g)Provisional Application RequirementsProvisional ApplicationsFiling, Search & Examination Fees
StatutoryInformativeAlways
[mpep-601-01-b-725f585cae340aef73cc3322]
Time Period for Provisional Application Response
Note:
Applicants must respond within two months of notification to provide missing fees or cover sheets, with extensions possible under certain conditions.

When the provisional application does not have a complete cover sheet or the appropriate fee, the applicant will be notified pursuant to 37 CFR 1.53(g) and given a time period in which to provide the necessary fee or cover sheet and to pay the surcharge as set forth in 37 CFR 1.16(g) in order to avoid abandonment of the application. The time period will usually be set at two (2) months from the date of notification. This time period may be extended under 37 CFR 1.136(a). If the filing fee is not timely paid, the Office may dispose of the provisional application. If no correspondence address has been provided, applicant has two months from the filing date to file the basic filing fee, cover sheet, and to pay the surcharge as set forth in 37 CFR 1.16(g) in order to avoid abandonment of the provisional application. Copies of a provisional application will be provided by the USPTO upon request and payment of the fee set forth in 37 CFR 1.19(b) unless the provisional application has been disposed of (see 37 CFR 1.53(e) and (g)).

Jump to MPEP Source · 37 CFR 1.53(g)Provisional Application RequirementsIdentifying the ApplicationProvisional Applications
StatutoryPermittedAlways
[mpep-601-01-b-c78ba0b6c1ea2dcdb184fa21]
Time Extension for Provisional Application Fee and Cover Sheet
Note:
The time period to submit the necessary fee and cover sheet for a provisional application can be extended under 37 CFR 1.136(a).

When the provisional application does not have a complete cover sheet or the appropriate fee, the applicant will be notified pursuant to 37 CFR 1.53(g) and given a time period in which to provide the necessary fee or cover sheet and to pay the surcharge as set forth in 37 CFR 1.16(g) in order to avoid abandonment of the application. The time period will usually be set at two (2) months from the date of notification. This time period may be extended under 37 CFR 1.136(a). If the filing fee is not timely paid, the Office may dispose of the provisional application. If no correspondence address has been provided, applicant has two months from the filing date to file the basic filing fee, cover sheet, and to pay the surcharge as set forth in 37 CFR 1.16(g) in order to avoid abandonment of the provisional application. Copies of a provisional application will be provided by the USPTO upon request and payment of the fee set forth in 37 CFR 1.19(b) unless the provisional application has been disposed of (see 37 CFR 1.53(e) and (g)).

Jump to MPEP Source · 37 CFR 1.53(g)Provisional Application RequirementsIdentifying the ApplicationProvisional Applications
StatutoryPermittedAlways
[mpep-601-01-b-e286d522c1e422451e6e2bc3]
Filing Fee Requirement for Provisional Application
Note:
The provisional application must have a timely filed filing fee; otherwise, the Office may dispose of it.

When the provisional application does not have a complete cover sheet or the appropriate fee, the applicant will be notified pursuant to 37 CFR 1.53(g) and given a time period in which to provide the necessary fee or cover sheet and to pay the surcharge as set forth in 37 CFR 1.16(g) in order to avoid abandonment of the application. The time period will usually be set at two (2) months from the date of notification. This time period may be extended under 37 CFR 1.136(a). If the filing fee is not timely paid, the Office may dispose of the provisional application. If no correspondence address has been provided, applicant has two months from the filing date to file the basic filing fee, cover sheet, and to pay the surcharge as set forth in 37 CFR 1.16(g) in order to avoid abandonment of the provisional application. Copies of a provisional application will be provided by the USPTO upon request and payment of the fee set forth in 37 CFR 1.19(b) unless the provisional application has been disposed of (see 37 CFR 1.53(e) and (g)).

Jump to MPEP Source · 37 CFR 1.53(g)Provisional Application RequirementsProvisional ApplicationsFiling, Search & Examination Fees
StatutoryInformativeAlways
[mpep-601-01-b-3755cc9c717c9335be055111]
Provisional Application Filing Deadline
Note:
Applicant must file the basic filing fee, cover sheet, and surcharge within two months of filing to avoid abandonment.

When the provisional application does not have a complete cover sheet or the appropriate fee, the applicant will be notified pursuant to 37 CFR 1.53(g) and given a time period in which to provide the necessary fee or cover sheet and to pay the surcharge as set forth in 37 CFR 1.16(g) in order to avoid abandonment of the application. The time period will usually be set at two (2) months from the date of notification. This time period may be extended under 37 CFR 1.136(a). If the filing fee is not timely paid, the Office may dispose of the provisional application. If no correspondence address has been provided, applicant has two months from the filing date to file the basic filing fee, cover sheet, and to pay the surcharge as set forth in 37 CFR 1.16(g) in order to avoid abandonment of the provisional application. Copies of a provisional application will be provided by the USPTO upon request and payment of the fee set forth in 37 CFR 1.19(b) unless the provisional application has been disposed of (see 37 CFR 1.53(e) and (g)).

Jump to MPEP Source · 37 CFR 1.53(g)Provisional Application RequirementsIdentifying the ApplicationProvisional Applications
StatutoryInformativeAlways
[mpep-601-01-b-b54170ea3dd6ae68f347e09c]
Copies of Provisional Application Upon Fee Payment
Note:
The USPTO will provide copies of a provisional application upon payment of the required fee unless the application has been disposed of.

When the provisional application does not have a complete cover sheet or the appropriate fee, the applicant will be notified pursuant to 37 CFR 1.53(g) and given a time period in which to provide the necessary fee or cover sheet and to pay the surcharge as set forth in 37 CFR 1.16(g) in order to avoid abandonment of the application. The time period will usually be set at two (2) months from the date of notification. This time period may be extended under 37 CFR 1.136(a). If the filing fee is not timely paid, the Office may dispose of the provisional application. If no correspondence address has been provided, applicant has two months from the filing date to file the basic filing fee, cover sheet, and to pay the surcharge as set forth in 37 CFR 1.16(g) in order to avoid abandonment of the provisional application. Copies of a provisional application will be provided by the USPTO upon request and payment of the fee set forth in 37 CFR 1.19(b) unless the provisional application has been disposed of (see 37 CFR 1.53(e) and (g)).

Jump to MPEP Source · 37 CFR 1.53(g)Provisional Application RequirementsProvisional ApplicationsDocument Supply Fees
Topic

Conversion to Nonprovisional

1 rules
StatutoryInformativeAlways
[mpep-601-01-b-876f34f26852e95f8d89baca]
Provisional Application Filing Date Parallel to Nonprovisional
Note:
The filing date requirements for a provisional application are similar to those for a nonprovisional application.

A provisional application filed on or after December 18, 2013 will be given a filing date as of the date a specification, with or without claims, is received in the Office. For provisional applications filed prior to December 18, 2013, the application will be given a filing date in accordance with pre-PLT (AIA) 37 CFR 1.53(c) as of the date the written description and any necessary drawings are filed in the Office. The filing date requirements for a provisional application set forth in 37 CFR 1.53(c) substantially parallel the requirements for a nonprovisional application set forth in 37 CFR 1.53(b). Amendments, other than those required to make the provisional application comply with applicable regulations, are not permitted after the filing date of the provisional application.

Jump to MPEP Source · 37 CFR 1.53(c)Conversion to NonprovisionalProvisional Application RequirementsNonprovisional Applications
Topic

Application Transmittal

1 rules
StatutoryInformativeAlways
[mpep-601-01-b-d261acd06e3dbb125260426e]
Notification for Missing Specification or Drawing Required
Note:
Applicants must be notified and given a time period to submit missing specification or drawings to complete the filing.

When the specification or drawing are omitted, 37 CFR 1.53(e) requires that the applicant be notified and given a time period in which to submit the missing element to complete the filing. See MPEP § 601.01(f) and § 601.01(g) for treatment of applications filed without drawings, or filed without all figures of drawings, respectively.

Jump to MPEP Source · 37 CFR 1.53(e)Application TransmittalApplication Types and Filing
Topic

Claiming Benefit of Provisional

1 rules
StatutoryRequiredAlways
[mpep-601-01-b-8ef0b7c50474837bf1fd19dc]
Basic Filing Fee Must Be Paid for Provisional Application
Note:
The basic filing fee must be paid on filing or within the specified time period if a claim for benefits under 35 U.S.C. 119(e) is made in a subsequent nonprovisional application.

The basic filing fee must be paid in a provisional application on filing or within the time period set forth in 37 CFR 1.53(g), and the provisional application must be entitled to a filing date under 37 CFR 1.53(c), if any claim for benefits under 35 U.S.C. 119(e) based on that application is made in a subsequently filed nonprovisional application. See 37 CFR 1.78.

Jump to MPEP Source · 37 CFR 1.53(g)Claiming Benefit of ProvisionalConversion to NonprovisionalProvisional Application Requirements
Topic

Processing Fees

1 rules
StatutoryInformativeAlways
[mpep-601-01-b-b7d69f1d79f997b6bd7abbdc]
Petition and Fee Required for Review of Filing Date Refusal
Note:
A petition must be filed along with the fee set forth in 37 CFR 1.17(f) to request review of a refusal to accord an application a filing date.

37 CFR 1.53(e)(2) requires that any request for review of a refusal to accord an application a filing date be made by way of a petition accompanied by the fee set forth in 37 CFR 1.17(f) (see MPEP § 506.02).

Jump to MPEP Source · 37 CFR 1.53(e)(2)Processing FeesFee RequirementsApplication Types and Filing

Citations

Primary topicCitation
Claiming Benefit of Provisional35 U.S.C. § 119(e)
Provisional Application Requirements37 CFR § 1.136(a)
Provisional Application Requirements37 CFR § 1.16(g)
Processing Fees37 CFR § 1.17(f)
Provisional Application Requirements37 CFR § 1.19(b)
Provisional Application Requirements37 CFR § 1.51(c)(1)
Conversion to Nonprovisional
Provisional Application Requirements
37 CFR § 1.53(b)
Claiming Benefit of Provisional
Conversion to Nonprovisional
Provisional Application Requirements
37 CFR § 1.53(c)
Provisional Application Requirements37 CFR § 1.53(c)(1)
Application Transmittal
Provisional Application Requirements
37 CFR § 1.53(e)
Processing Fees37 CFR § 1.53(e)(2)
Claiming Benefit of Provisional
Provisional Application Requirements
37 CFR § 1.53(g)
Provisional Application Requirements37 CFR § 1.76
Claiming Benefit of Provisional37 CFR § 1.78
Application Transmittal37 CFR § 601.01(g)
Processing FeesMPEP § 506.02
Application TransmittalMPEP § 601.01(f)

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