MPEP § 1865 — Filing of Demand (Annotated Rules)

§1865 Filing of Demand

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

This page consolidates and annotates all enforceable requirements under MPEP § 1865, 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 of Demand

This section addresses Filing of Demand. Primary authority: 37 CFR 1.10, 37 CFR 1.8, and 37 CFR 1.416(c)(2). Contains: 4 requirements, 1 prohibition, 2 guidance statements, 3 permissions, and 3 other statements.

Key Rules

Topic

Article 34 Amendments

7 rules
StatutoryRequiredAlways
[mpep-1865-472ea133e27aa7e49c08cf8c]
Demand for International Preliminary Examination Required
Note:
The applicant must demand an international preliminary examination as specified in the following provisions and regulations.

(1) On the demand of the applicant, his international application shall be the subject of an international preliminary examination as provided in the following provisions and the Regulations.

Jump to MPEP SourceArticle 34 AmendmentsDemand for Preliminary ExaminationInternational Preliminary Examination (Chapter II)
StatutoryRecommendedAlways
[mpep-1865-6ecda7cbd3e78c0e5f40882a]
Demand and Fees Must Be Directly Submitted to IPEA
Note:
Applicants must submit the demand and appropriate fees directly to the desired International Preliminary Examining Authority (IPEA) within specific timeframes.

Applicants should submit the Demand and appropriate fees directly to the International Preliminary Examining Authority (IPEA) they desire to prepare the International Preliminary Examination Report. The demand must be filed prior to the expiration of whichever of the following periods expires later: (A) three months from the date of transmittal to the applicant of the international search report and the written opinion; or (B) 22 months from the priority date. Otherwise the demand shall be considered as if it had not been submitted and the International Preliminary Examining Authority shall so declare. See PCT Rule 54. In order to take advantage of a national phase entry time limit of at least 30 months from the priority date in relation to all States designated in the international application, it may be necessary to file a demand before the expiration of 19 months from the priority date. See MPEP § 1842, subsection VII.A.

Jump to MPEP SourceArticle 34 AmendmentsDemand for Preliminary ExaminationInternational Preliminary Examining Authority (IPEA)
StatutoryRequiredAlways
[mpep-1865-a0d23e28f9171f5129f446e3]
Demand Must Be Filed Before Later of 3 Months After Search Report or 22 Months From Priority Date
Note:
Applicants must file the demand for international preliminary examination before the later of three months after receiving the search report and opinion, or 22 months from the priority date.

Applicants should submit the Demand and appropriate fees directly to the International Preliminary Examining Authority (IPEA) they desire to prepare the International Preliminary Examination Report. The demand must be filed prior to the expiration of whichever of the following periods expires later: (A) three months from the date of transmittal to the applicant of the international search report and the written opinion; or (B) 22 months from the priority date. Otherwise the demand shall be considered as if it had not been submitted and the International Preliminary Examining Authority shall so declare. See PCT Rule 54. In order to take advantage of a national phase entry time limit of at least 30 months from the priority date in relation to all States designated in the international application, it may be necessary to file a demand before the expiration of 19 months from the priority date. See MPEP § 1842, subsection VII.A.

Jump to MPEP SourceArticle 34 AmendmentsDemand for Preliminary ExaminationInternational Searching Authority (ISA)
StatutoryRequiredAlways
[mpep-1865-8b33fe2400d8f85d7aa998eb]
Demand for International Preliminary Examination Must Be Timely Filed
Note:
The demand must be filed within the specified periods; otherwise, it will not be considered submitted.

Applicants should submit the Demand and appropriate fees directly to the International Preliminary Examining Authority (IPEA) they desire to prepare the International Preliminary Examination Report. The demand must be filed prior to the expiration of whichever of the following periods expires later: (A) three months from the date of transmittal to the applicant of the international search report and the written opinion; or (B) 22 months from the priority date. Otherwise the demand shall be considered as if it had not been submitted and the International Preliminary Examining Authority shall so declare. See PCT Rule 54. In order to take advantage of a national phase entry time limit of at least 30 months from the priority date in relation to all States designated in the international application, it may be necessary to file a demand before the expiration of 19 months from the priority date. See MPEP § 1842, subsection VII.A.

Jump to MPEP SourceArticle 34 AmendmentsDemand for Preliminary ExaminationInternational Preliminary Examining Authority (IPEA)
StatutoryPermittedAlways
[mpep-1865-df3b2fff6af74755606cbfe9]
Priority Mail Express for Demand Under Chapter II
Note:
The Priority Mail Express provisions of 37 CFR 1.10 can be used to file a Demand under Chapter II in the USPTO.

The Priority Mail Express® provisions of 37 CFR 1.10 may be used to file a Demand under Chapter II in the USPTO. Applicants are advised that failure to comply with the provisions of 37 CFR 1.10 will result in the paper or fee being accorded the date of receipt and not the date of deposit. See MPEP § 513.

Jump to MPEP Source · 37 CFR 1.10Article 34 AmendmentsDemand for Preliminary ExaminationPriority Mail Express
StatutoryInformativeAlways
[mpep-1865-79b8429b2f9246c96a20a85d]
Demand for International Preliminary Examination Must Be Forwarded to Competent Authority
Note:
The USPTO must forward a Demand filed with an incompetent International Preliminary Examining Authority to the competent authority, ensuring timely processing based on receipt date.

PCT Rule 59.3 provides a safeguard in the case of a Demand filed with an International Preliminary Examining Authority which is not competent for the international preliminary examination of a particular international application. The USPTO will forward such a Demand to the International Bureau and the International Bureau will forward the Demand to a competent International Preliminary Examining Authority pursuant to PCT Rule 59.3(c). The competent International Preliminary Examining Authority will process the Demand based on the date of receipt in the USPTO. See 37 CFR 1.416(c)(2).

Jump to MPEP Source · 37 CFR 1.416(c)(2)Article 34 AmendmentsDemand for Preliminary ExaminationInternational Preliminary Examining Authority (IPEA)
StatutoryInformativeAlways
[mpep-1865-d57418fbe9bcd1be2e456fc8]
Competent International Preliminary Examining Authority Processes Demand Based on USPTO Receipt Date
Note:
The competent International Preliminary Examining Authority will process the Demand based on the date it was received by the USPTO.

PCT Rule 59.3 provides a safeguard in the case of a Demand filed with an International Preliminary Examining Authority which is not competent for the international preliminary examination of a particular international application. The USPTO will forward such a Demand to the International Bureau and the International Bureau will forward the Demand to a competent International Preliminary Examining Authority pursuant to PCT Rule 59.3(c). The competent International Preliminary Examining Authority will process the Demand based on the date of receipt in the USPTO. See 37 CFR 1.416(c)(2).

Jump to MPEP Source · 37 CFR 1.416(c)(2)Article 34 AmendmentsDemand for Preliminary ExaminationInternational Preliminary Examining Authority (IPEA)
Topic

Certificate of Mailing

3 rules
StatutoryPermittedAlways
[mpep-1865-3a57471f3dc399e297b836d1]
Demand for International Preliminary Examination Can Be Filed via Facsimile
Note:
The demand for international preliminary examination can be submitted to the USPTO via facsimile, but the Certificate of Mailing or Transmission practice cannot be used if the date of deposit is desired.

Demand for international preliminary examination may also be submitted to the USPTO via facsimile. The Certificate of Mailing or Transmission practice under 37 CFR 1.8 CANNOT be used to file a Demand if the date of deposit is desired. If used, the date of the Demand will be the date of receipt in the USPTO. See MPEP §§ 513, 1834, and 1834.01.

Jump to MPEP Source · 37 CFR 1.8Certificate of MailingExpress Mail Filing Date
StatutoryProhibitedAlways
[mpep-1865-8805242211097f3919f2290a]
Certificate of Mailing Cannot Be Used for Demand Filing
Note:
The Certificate of Mailing practice under 37 CFR 1.8 cannot be used to file a Demand if the date of deposit is desired.

Demand for international preliminary examination may also be submitted to the USPTO via facsimile. The Certificate of Mailing or Transmission practice under 37 CFR 1.8 CANNOT be used to file a Demand if the date of deposit is desired. If used, the date of the Demand will be the date of receipt in the USPTO. See MPEP §§ 513, 1834, and 1834.01.

Jump to MPEP Source · 37 CFR 1.8Certificate of MailingExpress Mail Filing Date
StatutoryInformativeAlways
[mpep-1865-9967188e2c891cff93a6c7fd]
Date of Demand Is USPTO Receipt If Filed Via Facsimile
Note:
If a demand for international preliminary examination is submitted via facsimile, the date of the demand will be the date it is received by the USPTO.

Demand for international preliminary examination may also be submitted to the USPTO via facsimile. The Certificate of Mailing or Transmission practice under 37 CFR 1.8 CANNOT be used to file a Demand if the date of deposit is desired. If used, the date of the Demand will be the date of receipt in the USPTO. See MPEP §§ 513, 1834, and 1834.01.

Jump to MPEP Source · 37 CFR 1.8Certificate of MailingExpress Mail Filing Date
Topic

Practitioner Recognition and Conduct

2 rules
StatutoryRecommendedAlways
[mpep-1865-9970ad70001ea43002fdcdf4]
Demand Must Be Filed Electronically by Registered Users
Note:
Filers should submit demands via the USPTO patent electronic filing system if they are registered users; otherwise, use an alternative method.

Demands filed in the United States Patent and Trademark Office (USPTO) should preferably be filed via the USPTO patent electronic filing system by registered users in an application filed with the U.S. receiving office or searched by the USPTO. Filers who are not registered users of the USPTO patent electronic filing system must file the demand by another acceptable method.

Jump to MPEP SourcePractitioner Recognition and Conduct
StatutoryRequiredAlways
[mpep-1865-3c05013066bfd15d81de954f]
Non-Registered Users Must Use Alternative Methods for Filing Demand
Note:
Filers who are not registered users of the USPTO patent electronic filing system must submit their demand through an alternative acceptable method.

Demands filed in the United States Patent and Trademark Office (USPTO) should preferably be filed via the USPTO patent electronic filing system by registered users in an application filed with the U.S. receiving office or searched by the USPTO. Filers who are not registered users of the USPTO patent electronic filing system must file the demand by another acceptable method.

Jump to MPEP SourcePractitioner Recognition and Conduct
Topic

Nationals and Residents

1 rules
StatutoryPermittedAlways
[mpep-1865-c07fe289d06d0efdf4c0c08a]
Demand Must Be Filed Before 19 Months for National Phase Entry
Note:
To take advantage of a national phase entry time limit of at least 30 months from the priority date, an applicant must file a demand before the expiration of 19 months from the priority date.

Applicants should submit the Demand and appropriate fees directly to the International Preliminary Examining Authority (IPEA) they desire to prepare the International Preliminary Examination Report. The demand must be filed prior to the expiration of whichever of the following periods expires later: (A) three months from the date of transmittal to the applicant of the international search report and the written opinion; or (B) 22 months from the priority date. Otherwise the demand shall be considered as if it had not been submitted and the International Preliminary Examining Authority shall so declare. See PCT Rule 54. In order to take advantage of a national phase entry time limit of at least 30 months from the priority date in relation to all States designated in the international application, it may be necessary to file a demand before the expiration of 19 months from the priority date. See MPEP § 1842, subsection VII.A.

Jump to MPEP SourceNationals and ResidentsReceiving Office (RO/US)Article 34 Amendments
Topic

Patent Cooperation Treaty

1 rules
StatutoryRecommendedAlways
[mpep-1865-d009ed7bf99ebc3a85c4e0b4]
Papers for PCT Must Be Addressed to Mail Stop PCT
Note:
Papers hand-carried directly to the USPTO must be addressed to ‘Mail Stop PCT’ as per MPEP § 501, subsection III.

If hand-carried directly to the USPTO, papers should be addressed to “Mail Stop PCT.” See MPEP § 501, subsection III for information regarding hand-delivery of papers.

Jump to MPEP SourcePatent Cooperation TreatyArticle 34 AmendmentsDemand for Preliminary Examination
Topic

Certificate of Mailing

1 rules
StatutoryInformativeAlways
[mpep-1865-4ce70c83cf1ca8d27ea4fa53]
Demand for International Preliminary Examination Must Comply with Mailing Rules
Note:
Failure to comply with the Priority Mail Express provisions of 37 CFR 1.10 will result in the paper or fee being accorded the date of receipt and not the date of deposit.

The Priority Mail Express® provisions of 37 CFR 1.10 may be used to file a Demand under Chapter II in the USPTO. Applicants are advised that failure to comply with the provisions of 37 CFR 1.10 will result in the paper or fee being accorded the date of receipt and not the date of deposit. See MPEP § 513.

Jump to MPEP Source · 37 CFR 1.10Certificate of MailingPriority Mail ExpressCertificate of Mailing and Transmission
Topic

Article 19 Amendment Scope

1 rules
StatutoryInformativeAlways
[mpep-1865-902232ace27dbd9f59820a6b]
Demand for International Preliminary Examination Must Be Forwarded
Note:
The USPTO forwards a Demand to the International Bureau, which then forwards it to a competent International Preliminary Examining Authority.

PCT Rule 59.3 provides a safeguard in the case of a Demand filed with an International Preliminary Examining Authority which is not competent for the international preliminary examination of a particular international application. The USPTO will forward such a Demand to the International Bureau and the International Bureau will forward the Demand to a competent International Preliminary Examining Authority pursuant to PCT Rule 59.3(c). The competent International Preliminary Examining Authority will process the Demand based on the date of receipt in the USPTO. See 37 CFR 1.416(c)(2).

Jump to MPEP Source · 37 CFR 1.416(c)(2)Article 19 Amendment ScopeArticle 34 AmendmentsDemand for Preliminary Examination

Citations

Primary topicCitation
Article 34 Amendments
Certificate of Mailing
37 CFR § 1.10
Article 19 Amendment Scope
Article 34 Amendments
37 CFR § 1.416(c)(2)
Certificate of Mailing37 CFR § 1.8
Article 34 Amendments
Nationals and Residents
MPEP § 1842
Patent Cooperation TreatyMPEP § 501
Article 34 Amendments
Certificate of Mailing
MPEP § 513
Article 34 Amendments
Nationals and Residents
PCT Rule 54
Article 19 Amendment Scope
Article 34 Amendments
PCT Rule 59.3(c)

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