MPEP § 1812 — Elements of the International Application (Annotated Rules)

§1812 Elements of the International Application

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

This page consolidates and annotates all enforceable requirements under MPEP § 1812, 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.

Elements of the International Application

This section addresses Elements of the International Application. Primary authority: 37 CFR 1.433(a)) and 37 CFR 1.433(a). Contains: 4 requirements, 1 prohibition, 3 permissions, and 1 other statement.

Key Rules

Topic

Article 19 Amendment Scope

4 rules
StatutoryRequiredAlways
[mpep-1812-df4578662ab2ed55c24eff15]
International Application Requires Specific Elements
Note:
An international application must include a request, description, claims, drawings (if required), and an abstract as specified in the Treaty and Regulations.

(2) An international application shall contain, as specified in this Treaty and the Regulations, a request, a description, one or more claims, one or more drawings (where required), and an abstract.

Jump to MPEP SourceArticle 19 Amendment ScopePCT Abstract RequirementsPCT Description Requirements
StatutoryRequiredAlways
[mpep-1812-ce221d384e5ea84b219be5f1]
Elements Required for International Application
Note:
An international application must include a request, description, claims, abstract, and drawings (if necessary) in the correct order.

Any international application must contain the following elements: request, description, claim or claims, abstract and one or more drawings (where drawings are necessary for the understanding of the invention (PCT Article 3(2) and PCT Article 7(2)). The elements of the international application are to be arranged in the following order: the request, the description (other than any sequence listing part thereof), the claims, the abstract, the drawings, and the sequence listing part of the description (where applicable) (Administrative Instructions Section 207(a)). All the sheets contained in the international application must be numbered in consecutive Arabic numerals by using the following separate series of numbers: a first series applying to the request; a second series to the description, claims and abstract; a third series to the drawings (where applicable); and a further series to the sequence listing part of the description (where applicable) (PCT Rule 11.7 and Administrative Instructions Section 207(b)). Only one copy of the international application need be filed in the United States Receiving Office (37 CFR 1.433(a)). The request is made on a standardized form (Form PCT/RO/101), copies of which can be obtained from the USPTO or online from WIPO’s website (www.wipo.int/pct/ en/forms/). The “Request” form can also be presented as a computer printout prepared using WIPO’s ePCT system. See MPEP § 1821.

Jump to MPEP Source · 37 CFR 1.433(a))Article 19 Amendment ScopePCT Abstract RequirementsPCT Claims Format
StatutoryInformativeAlways
[mpep-1812-60b28681debe55cf38f5f7f0]
Order of International Application Elements Required
Note:
The international application must be arranged in a specific order: request, description (excluding sequence listing), claims, abstract, drawings (if necessary), and sequence listing part of the description.

Any international application must contain the following elements: request, description, claim or claims, abstract and one or more drawings (where drawings are necessary for the understanding of the invention (PCT Article 3(2) and PCT Article 7(2)). The elements of the international application are to be arranged in the following order: the request, the description (other than any sequence listing part thereof), the claims, the abstract, the drawings, and the sequence listing part of the description (where applicable) (Administrative Instructions Section 207(a)). All the sheets contained in the international application must be numbered in consecutive Arabic numerals by using the following separate series of numbers: a first series applying to the request; a second series to the description, claims and abstract; a third series to the drawings (where applicable); and a further series to the sequence listing part of the description (where applicable) (PCT Rule 11.7 and Administrative Instructions Section 207(b)). Only one copy of the international application need be filed in the United States Receiving Office (37 CFR 1.433(a)). The request is made on a standardized form (Form PCT/RO/101), copies of which can be obtained from the USPTO or online from WIPO’s website (www.wipo.int/pct/ en/forms/). The “Request” form can also be presented as a computer printout prepared using WIPO’s ePCT system. See MPEP § 1821.

Jump to MPEP Source · 37 CFR 1.433(a))Article 19 Amendment ScopePCT Abstract RequirementsPCT Description Requirements
StatutoryRequiredAlways
[mpep-1812-136f91acf22c474c6c989194]
Sheets Must Be Numbered Separately for Request, Description, Claims, Abstract, and Drawings
Note:
All sheets in an international application must be numbered separately for the request, description, claims, abstract, and drawings if applicable.

Any international application must contain the following elements: request, description, claim or claims, abstract and one or more drawings (where drawings are necessary for the understanding of the invention (PCT Article 3(2) and PCT Article 7(2)). The elements of the international application are to be arranged in the following order: the request, the description (other than any sequence listing part thereof), the claims, the abstract, the drawings, and the sequence listing part of the description (where applicable) (Administrative Instructions Section 207(a)). All the sheets contained in the international application must be numbered in consecutive Arabic numerals by using the following separate series of numbers: a first series applying to the request; a second series to the description, claims and abstract; a third series to the drawings (where applicable); and a further series to the sequence listing part of the description (where applicable) (PCT Rule 11.7 and Administrative Instructions Section 207(b)). Only one copy of the international application need be filed in the United States Receiving Office (37 CFR 1.433(a)). The request is made on a standardized form (Form PCT/RO/101), copies of which can be obtained from the USPTO or online from WIPO’s website (www.wipo.int/pct/ en/forms/). The “Request” form can also be presented as a computer printout prepared using WIPO’s ePCT system. See MPEP § 1821.

Jump to MPEP Source · 37 CFR 1.433(a))Article 19 Amendment ScopePCT Abstract RequirementsPCT Description Requirements
Topic

PCT International Application Filing

2 rules
StatutoryPermittedAlways
[mpep-1812-a7c10e83fd4fcc712b8d2497]
Invention Protection Can Be Filed Internationally
Note:
Applications for the protection of inventions in any Contracting State can be filed as international applications under this Treaty.

(1) Applications for the protection of inventions in any of the Contracting States may be filed as international applications under this Treaty.

Jump to MPEP SourcePCT International Application FilingPatent Cooperation Treaty
StatutoryProhibitedAlways
[mpep-1812-86696d73a1bddb8a66ee0db1]
Abstract Cannot Interpret Protection Scope
Note:
The abstract serves only as technical information and should not be used to interpret the scope of protection sought in the application.

(3) The abstract merely serves the purpose of technical information and cannot be taken into account for any other purpose, particularly not for the purpose of interpreting the scope of the protection sought.

Jump to MPEP SourcePCT International Application FilingPatent Cooperation Treaty
Topic

Request Content and Form

2 rules
StatutoryPermittedAlways
[mpep-1812-3f9ed706596c99193a27b12f]
Request Must Be on Standardized Form PCT/RO/101
Note:
The request for an international application must be submitted using the standardized form PCT/RO/101, which can be obtained from the USPTO or WIPO’s website.

Any international application must contain the following elements: request, description, claim or claims, abstract and one or more drawings (where drawings are necessary for the understanding of the invention (PCT Article 3(2) and PCT Article 7(2)). The elements of the international application are to be arranged in the following order: the request, the description (other than any sequence listing part thereof), the claims, the abstract, the drawings, and the sequence listing part of the description (where applicable) (Administrative Instructions Section 207(a)). All the sheets contained in the international application must be numbered in consecutive Arabic numerals by using the following separate series of numbers: a first series applying to the request; a second series to the description, claims and abstract; a third series to the drawings (where applicable); and a further series to the sequence listing part of the description (where applicable) (PCT Rule 11.7 and Administrative Instructions Section 207(b)). Only one copy of the international application need be filed in the United States Receiving Office (37 CFR 1.433(a)). The request is made on a standardized form (Form PCT/RO/101), copies of which can be obtained from the USPTO or online from WIPO’s website (www.wipo.int/pct/ en/forms/). The “Request” form can also be presented as a computer printout prepared using WIPO’s ePCT system. See MPEP § 1821.

Jump to MPEP Source · 37 CFR 1.433(a))Request Content and FormPCT Request FormPatent Cooperation Treaty
StatutoryPermittedAlways
[mpep-1812-a521698229f9c6b38027c230]
Request Can Be Computer Printout
Note:
The request for an international application can be submitted as a computer printout generated through WIPO’s ePCT system.

Any international application must contain the following elements: request, description, claim or claims, abstract and one or more drawings (where drawings are necessary for the understanding of the invention (PCT Article 3(2) and PCT Article 7(2)). The elements of the international application are to be arranged in the following order: the request, the description (other than any sequence listing part thereof), the claims, the abstract, the drawings, and the sequence listing part of the description (where applicable) (Administrative Instructions Section 207(a)). All the sheets contained in the international application must be numbered in consecutive Arabic numerals by using the following separate series of numbers: a first series applying to the request; a second series to the description, claims and abstract; a third series to the drawings (where applicable); and a further series to the sequence listing part of the description (where applicable) (PCT Rule 11.7 and Administrative Instructions Section 207(b)). Only one copy of the international application need be filed in the United States Receiving Office (37 CFR 1.433(a)). The request is made on a standardized form (Form PCT/RO/101), copies of which can be obtained from the USPTO or online from WIPO’s website (www.wipo.int/pct/ en/forms/). The “Request” form can also be presented as a computer printout prepared using WIPO’s ePCT system. See MPEP § 1821.

Jump to MPEP Source · 37 CFR 1.433(a))Request Content and FormPCT Request FormArticle 19 Amendment Scope
Topic

Patent Cooperation Treaty

1 rules
StatutoryRequiredAlways
[mpep-1812-cb2e83bec554ea24f49dea20]
Language and Physical Requirements for International Application
Note:
The international application must be in a prescribed language, meet physical requirements, comply with unity of invention, and pay the required fees.
(4) The international application shall:
  • (i) be in a prescribed language;
  • (ii) comply with the prescribed physical requirements;
  • (iii) comply with the prescribed requirement of unity of invention;
  • (iv) be subject to the payment of the prescribed fees.
Jump to MPEP SourcePatent Cooperation TreatyUnity of Invention StandardPCT Unity of Invention
Topic

Nationals and Residents

1 rules
StatutoryInformativeAlways
[mpep-1812-497c4a438af81bef33db6368]
Single Copy of International Application Required for Filing
Note:
Only one copy of the international application must be filed in the United States Receiving Office.

Any international application must contain the following elements: request, description, claim or claims, abstract and one or more drawings (where drawings are necessary for the understanding of the invention (PCT Article 3(2) and PCT Article 7(2)). The elements of the international application are to be arranged in the following order: the request, the description (other than any sequence listing part thereof), the claims, the abstract, the drawings, and the sequence listing part of the description (where applicable) (Administrative Instructions Section 207(a)). All the sheets contained in the international application must be numbered in consecutive Arabic numerals by using the following separate series of numbers: a first series applying to the request; a second series to the description, claims and abstract; a third series to the drawings (where applicable); and a further series to the sequence listing part of the description (where applicable) (PCT Rule 11.7 and Administrative Instructions Section 207(b)). Only one copy of the international application need be filed in the United States Receiving Office (37 CFR 1.433(a)). The request is made on a standardized form (Form PCT/RO/101), copies of which can be obtained from the USPTO or online from WIPO’s website (www.wipo.int/pct/ en/forms/). The “Request” form can also be presented as a computer printout prepared using WIPO’s ePCT system. See MPEP § 1821.

Jump to MPEP Source · 37 CFR 1.433(a))Nationals and ResidentsReceiving Office (RO/US)PCT International Application Filing

Citations

Primary topicCitation
Article 19 Amendment Scope
Nationals and Residents
Request Content and Form
37 CFR § 1.433(a)
Article 19 Amendment Scope
Nationals and Residents
Request Content and Form
MPEP § 1821
Article 19 Amendment Scope
Nationals and Residents
Request Content and Form
PCT Rule 11.7
Article 19 Amendment Scope
Nationals and Residents
Request Content and Form
PCT Article 3(2)
Article 19 Amendment Scope
Nationals and Residents
Request Content and Form
PCT Article 7(2)

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