WIPO - PCT Applicant's Guide MN - Mongolia
Intellectual Property Office of Mongolia

    Applicable as from February 19, 2026
    (published on February 19, 2026)

    Summary of latest changes in this version
    GENERAL INFO: Contact details
    List of changes

    Useful information

    The PCT Applicant’s Guide is updated almost every week with information received by the International Bureau.
    In case of question, please contact the Office or the International Bureau: pct.guide@wipo.int.
    List of abbreviations used in this document:
    Office: Intellectual Property Office of Mongolia
    MPL: Mongolian Patent Law
    MPR: Regulations on the Drafting, Filing and Processing of an Application for a Patent for Invention
    List of currencies used in this document:
    CHF (Swiss franc), MNT (Tugrik)
    Countries and Offices information:
    The list of acronyms used for Offices is no longer shown as it has been integrated in the mouseover functionality for each ST.3 code shown in this document.
    Refer to List of WIPO Standards, Recommendations and Guidelines formerly Annex K, List of country names and two-letter codes. It includes a list of short names and two-letter codes accepted for use in indicating States, other entities and intergovernmental organizations and their Offices in documents relating to international applications under the PCT. The list is as set out in WIPO Standard ST.3.
    Also refer to PCT Contracting States formerly Annex A.
    Office profile
    For more technical information about the Office, refer to ePCT Office profile.
    PCT Reservations, Declarations, Notifications and Incompatibilities
    The Office does not have any reservations, declarations, notifications or incompatibilities.
    Refer to the full list.
    Office Closed dates
    The Office is closed weekly on Saturday and Sunday
    Additional closed dates can be consulted on the Office Closed dates page

    International Phase

    Annex B - Information on Contracting States or Intergovernmental Organization

    Contracting State:
    Mongolia
    Two-letter code:
    MN
    Name of Office:
    Intellectual Property Office of Mongolia
    Location:
    13381 Ulaanbaatar
    Bayanzurkh district
    3 khoroo
    Enkhtaivan avenue 30
    Mongolia
    Mailing address:
    Same as above
    Telephone:
    (976-11) 316 454
    E-mail:
    ipinfo@ipom.gov.mn
    Website:
    Facsimile:
    None
    Does the Office accept the filing of documents by facsimile or the like means (PCT Rule 92.4)?
    No
    Would the Office accept evidence of mailing a document, in case of loss or delay, where a delivery service other than the postal authorities is used (PCT Rule 82.1)?
    No
    Is the Office prepared to allow applicants to make applications available to the WIPO Digital Access Service for Priority Documents (DAS) (PCT Rule 17.1(b-bis)?
    More information about WIPO DAS is available at: https://www.wipo.int/en/web/das.
    No
    Competent receiving Office(s) for international applications filed by nationals or residents of this State:
    IB,
    MN
    Does national legislation restrict the filing of international applications with foreign Offices?
    Refer to the Office
    Competent designated (or elected) Office(s) for this State:
    Refer to corresponding National Phase.
    MN
    Types of protection available via the PCT:
    Patents
    Availability under the national law for an international-type search (PCT Article 15):
    None
    Provisional protection after international publication:
    None
    Information of interest if this Contracting State is designated (or elected)
    Time when the name and address of the inventor must be given:
    May be in the request or may be furnished later. If not already in the request, they may be furnished within 21 months (or 31 months where PCT Article 39(1) applies) from the priority date. If not already furnished within that time limit, the Office will invite the applicant to comply with the requirement within a time limit fixed in the invitation.
    Are there special provisions concerning the deposit of microorganisms and other biological material?
    No

    Annex C - Receiving Office

    Competent receiving Office for nationals and residents of:
    Mongolia
    Language in which international applications may be filed:
    If the language in which the international application is filed is not accepted by the International Searching Authority (refer to Annex D), the applicant will have to furnish a translation (PCT Rule 12.3).
    English,
    Russian
    Number of copies required by the receiving Office if the international application is filed on paper:
    3
    Does the receiving Office accept the filing of international applications in electronic form?
    Information not yet available
    Does the receiving Office accept requests for restoration of the right of priority (PCT Rule 26bis.3)?
    Yes, please refer to the Office for the applicable criteria and/or any fee payable for such requests
    Competent International Searching Authority:
    EP,
    KR,
    RU
    Competent International Preliminary Examining Authority:
    KR,
    RU

    EP
    The Office is competent only if the international search is or has been carried out by that Office.
    Fees payable to the RO:
    Transmittal fee:
    None
    International filing fee:
    1,330 CHF
    Fee per sheet in excess of 30:
    This fee is reduced by 90% if certain conditions apply (refer to Annex C(IB)).
    15 CHF
    Search fee:
    Refer to Annex D(EP)
    Annex D(KR)
    Annex D(RU)
    Fee for priority document (PCT Rule 17.1(b)):
    None
    Is an agent required by the receiving Office?
    No, if the applicant resides in Mongolia
    Yes, if the applicant is a non-resident
    Who can act as agent?
    Any natural or legal person resident in Mongolia, registered to practice as a patent agent before the Office
    Waiver of power of attorney:
    Has the Office waived the requirement that a separate power of attorney be submitted?
    Refer to the Office
    Has the Office waived the requirement that a copy of a general power of attorney be submitted?
    Refer to the Office

    National Phase

    Summary of requirements for entry into the national phase

    Time limits applicable for entry into the national phase:
    Under PCT Article 22(3): 31 months from the priority date
    Under PCT Article 39(1)(b): 31 months from the priority date
    Translation of international application required into (one of) the following language(s):
    If not already complied with within the time limit applicable under PCT Article 22 or 39(1), the Office will invite the applicant to furnish a complete translation within two months from the date of the invitation.
    Mongolian
    Required contents of the translation for entry into the national phase:
    If not already complied with within the time limit applicable under PCT Article 22 or 39(1), the Office will invite the applicant to furnish a complete translation within two months from the date of the invitation.
    Under PCT Article 22: Description, claims (if amended, both as originally filed and as amended, together with any statement under PCT Article 19), any text matter of drawings, abstract
    Under PCT Article 39(1): Description, claims, any text matter of drawings, abstract (if any of those parts has been amended, both as originally filed and as amended by the annexes to the international preliminary examination report)
    Is a copy of the international application required in particular circumstances?
    No
    National fees:
    If not already complied with within the time limit applicable under PCT Article 22 or 39(1), the Office will invite the applicant to comply with the requirements within a time limit fixed in the invitation
    Annual fee for the period from the 1st to the 5th year
    40,000 MNT
    Exemptions, reductions or refunds of fees:
    None
    Special requirements of the Office (PCT Rule 51bis):
    If not already complied with within the time limit applicable under PCT Article 22 or 39(1), the Office will invite the applicant to comply with the requirements within a time limit fixed in the invitation.
    The list of special requirements is still subject to confirmation by the Office.
    Name and address of the inventor if they have not been furnished in the “Request” part of the international application
    This requirement may be satisfied if the corresponding declaration has been made in accordance with PCT Rule 4.17.
    Appointment of an agent if the applicant is not resident in Mongolia
    Inventor’s declaration
    This requirement may be satisfied if the corresponding declaration has been made in accordance with PCT Rule 4.17.
    Assignment deed where the applicant is not the inventor
    This requirement may be satisfied if the corresponding declaration has been made in accordance with PCT Rule 4.17.
    Who can act as agent?
    Any natural or legal person resident in Mongolia, registered to practice as a patent agent before the Office
    Does the Office accept requests for restoration of the right of priority (PCT Rule 49ter.2)?
    Yes, please refer to the Office for the applicable criteria and/or any fee payable for such requests

    The procedure in the national Phase

    MN.01 FORM FOR ENTERING THE NATIONAL PHASE
    MPR Rule 1.2
    The Office has available a special form for entering the national phase (refer to Annex MN.II). This form should preferably (but need not) be used.
    MN.02 TRANSLATION (CORRECTION)
    Errors in the translation of the international application can be corrected with reference to the text of the international application as filed (refer to National Phase, paragraphs NP 6.002 and NP 6.003). If the translation furnished to the Office contains only the description, the Office will invite the applicant to furnish the missing part and will excuse the late furnishing provided that the scope of the disclosure contained in the translation furnished to the Office is not broadened thereby.
    MN.03 FEES (MANNER OF PAYMENT)
    MPL Art. 24
    The manner of payment of the fees indicated in the Summary and in this Chapter is outlined in Annex MN.I.
    MN.04 INVENTOR’S DECLARATION
    MPL Art 6(5)
    For details, refer to the model of such declaration in Annex MN.III. Legalization is not required.
    MN.05 ASSIGNMENT DEED
    MPL Art. 6(5)
    For details, refer to the model of such deed in Annex MN.IV. Legalization is not required. If the applicant has obtained the right to file the international application through the intermediary of one or more other persons and not directly from the inventor, the assignment deed linking the inventor and the applicant must be produced.
    MN.06 POWER OF ATTORNEY
    MPL Art. 6(5),
    MPL Art. 7

    An agent must be appointed by power of attorney. A model is given in Annex MN.V.
    MN.07 FEE FOR GRANT
    MPL Art. 24,
    MPL Art. 25

    The fee for grant must be paid within six months after receipt by the applicant of the decision to grant the patent. Where the applicant fails to pay the fee within that time limit, he can make this payment, together with a 100% surcharge for late payment, within six months from the date of the expiration of the above-mentioned time limit. The amount of the said fee is indicated in Annex MN.I.
    MN.08 AMENDMENT OF THE APPLICATION; TIME LIMITS
    PCT Article 28,
    PCT Article 41,
    MPL Art. 10(3),
    MPL Art. 10(4)

    Within three months after entry into the national phase, the applicant has the right to amend or correct the description, claims or drawings on his own initiative, without paying any fee for that purpose, provided that the amendments or corrections do not modify the subject matter of the claimed invention or utility model beyond the original disclosure.
    MN.09 ANNUAL FEES
    MPL Art. 25(2),
    MPL Art. 25(3)

    Fees for the maintenance of a patent must be paid for fixed periods as indicated in Annex MN I. The maintenance fees for the first five years must be paid within six months from the date when the decision to grant the patent was made. The fees for the subsequent periods must be paid during the six months prior to the commencement of those periods. If no payment is made in time, it can still be made within six months from the date of expiration of the time limit. The amounts of the annual fees are indicated in Annex MN I.
    MN.10 EARLY START OF NATIONAL PHASE
    PCT Article 23(2)
    If the applicant wishes the examination of his application by the Office to start earlier than the expiration of the time limit applicable under PCT Article 22 or 39(1), he can file an express request in writing therefor.
    MN.11 UTILITY MODEL
    PCT Rule 49bis.1,
    PCT Rule 49bis.1(a),
    PCT Rule 49bis.1(b),
    PCT Rule 76.5

    If the applicant wishes to obtain a utility model registration on the basis of an international application instead of a patent, the applicant, when performing the acts referred to in Article 22 or 39, shall so indicate to the Office.
    MN.12
    MPL Art. 13(1)
    If the international application is for a utility model instead of a patent, the requirements are basically the same as for a patent.
    MN.13 REVIEW UNDER ARTICLE 25 OF THE PCT
    PCT Article 25,
    PCT Rule 51

    The applicable procedure is outlined in paragraphs NP 6.018 to NP 6.021 of the National Phase. If, upon review under PCT Article 25, the Office denies an error or omission on the part of the receiving Office or the International Bureau, an appeal against this decision may be lodged within two months from the date of receipt of the decision.
    MN.14 EXCUSE OF DELAYS IN MEETING TIME LIMITS
    PCT Article 24(2),
    PCT Article 48(2),
    PCT Rule 82bis

    Reference is made to paragraphs NP 6.022 to NP 6.027 of the National Phase. Restoration of rights may be requested where the applicant has failed to observe a time limit during the international phase or before the Office. A request to waive the requirement which was not observed is also possible. Any such request must state the reasons for missing the time limit or for the failure to observe a requirement and must be accompanied by evidence in support of the statements made.

    Annexes

    Annex MN.I - Fees
    Fee for grant
    25,000 MNT
    Annual fees:
    — for the period from the 1st to the 5th year
    40,000 MNT
    — for the period from the 6th to the 10th year
    60,000 MNT
    — for the period from the 11th to the 15th year
    80,000 MNT
    — for the period from the 16th to the 20th year
    120,000 MNT
    Surcharge for late payment of fees
    30,000 MNT
    How can payment of fees be effected?
    Applicants who are foreign nationals or foreign entities must pay all fees (including annual fees) in freely convertible currency through an agent chosen from the list of agents appointed by the Office.
    Forms
    The following documents are maintained by the Office. Refer to the Office website (Annex B) for latest version and other languages.
    Annex MN.II - National processing application form
    Annex MN.III - Inventor’s declaration
    Annex MN.IV - Assignment deed
    Annex MN.V - Power of attorney
    Current version applicable from February 19, 2026 , printed on March 24, 2026
    2.2 #71 - 2026-02-10T18:40:34.131+01:00