WIPO - PCT Applicant's Guide KH - Cambodia
Department of Industrial Property (DIP), Ministry of Industry, Science, Technology and Innovation (MISTI) (Cambodia)

    Applicable as from 1 April 2025
    (published on 14 March 2025)

    Summary of latest changes in this version
    RO: RO fees, Incorporation by reference Summary of requirements for entry into the national phase: Restoration of the right of priority, Reinstatement of rights

    Consult the full list of the changes

    Previous version(s): You can consult previous versions of the document. The only applicable version is the current version.
    15 Sep 2023, 1 Nov 2023, 1 Jan 2024, 1 Mar 2024, 1 Jul 2024, 1 Dec 2024, 1 Jan 2025, Current Version

    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: Department of Industrial Property (DIP), Ministry of Industry, Science, Technology and Innovation (MISTI) (Cambodia)
    PL: Law on Patents, Utility Models and Industrial Designs, 2003
    List of currencies used in this document:
    KHR (Riel), USD (US dollar)
    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:
    Cambodia
    Two-letter code:
    KH
    Name of Office:
    Department of Industrial Property (DIP), Ministry of Industry, Science, Technology and Innovation (MISTI) (Cambodia)
    Location:
    45 Preah Norodom Boulevard
    Khan Daun Penh
    Phnom Penh
    Cambodia
    Mailing address:
    Same as above
    Telephone:
    (855) 12 841 882
    (855) 12 982 382
    E-mail:
    adm_dip@yahoo.com
    Website:
    Facsimile:
    (855) 23 428 263
    Does the Office accept the filing of documents by facsimile or the like means (PCT Rule 92.4)?
    Yes, by e-mail or facsimile
    Which kinds of documents may be so transmitted?
    All kinds of documents
    Must the original of the document be furnished in all cases?
    Yes, within one month from the date of the transmission if the transmitted document is the international application or a replacement sheet containing corrections or amendments of the international application
    No, only upon invitation in the case of other documents.
    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)?
    Yes, provided that the delivery service is a recognized delivery service
    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, 
    KH
    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.
    KH
    Types of protection available via the PCT:
    National:
    Patents, 
    Utility models

    European:
    Validation of European patents
    For international applications filed on or after 1 March 2018 (refer to OJ EPO 2/2018, A16)
    Payment methods accepted by the Office:
    Refer to the Office
    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 complied with within the time limit applicable under PCT Article 22 or 39(1), the Office will invite the applicant to comply with the requirement within a time limit of one month from the date of receipt of 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:
    Cambodia
    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, 
    Khmer
    Language in which the request may be filed:
    English
    Number of copies required by the receiving Office if application filed on paper:
    1
    Does the receiving Office accept the filing of international applications in electronic form?
    Information not yet available
    Does the receiving Office accept incorporation by reference (PCT Rule 20.6)?
    Yes
    Does the receiving Office accept the submission of color drawings on an informal basis and transmit them to the International Bureau?
    Refer to the Office
    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:
    CN, 
    EP, 
    JP, 
    SG, 
    KR
    Competent International Preliminary Examining Authority:
    KR
    CN, 
    EP, 
    JP, 
    SG

    The Office is competent only if the international search has been carried out by that Office.
    Fees payable to the RO:
    Transmittal fee:
    420,000 KHR
    International filing fee:
    This fee is reduced by 90% if certain conditions apply (refer to Annex C(IB)).
    1,456 USD
    Fee per sheet in excess of 30:
    16 USD
    Search fee:
    Refer to
    Annex D(CN)
    Annex D(EP)
    Annex D(JP)
    Annex D(KR)
    Annex D(SG)
    Fee for priority document (PCT Rule 17.1(b)):
    Please refer to the Office
    Fee for requesting restoration of the right of priority (PCT Rule 26bis.3(d)):
    Please refer to the Office
    Is an agent required by the receiving Office?
    Yes
    Who can act as agent?
    Any patent attorney or patent agent registered before the Office
    Waiver of power of attorney:
    Waivers of powers of attorney do not apply (PCT Rule 90.4(e) and 90.5(d)) where the agent or common representative submits any notice of withdrawal during the international phase (PCT Rule 90bis.1 to 90bis.4, also refer to International Phase, paragraph 11.048).
    Has the Office waived the requirement that a separate power of attorney be submitted?
    No
    Particular instances in which a separate power of attorney is required:
    Not applicable
    Has the Office waived the requirement that a copy of a general power of attorney be submitted?
    No
    Particular instances in which a copy of a general power of attorney is required:
    Not applicable

    National Phase

    Summary of requirements for entry into the national phase

    Time limits applicable for entry into the national phase:
    Under PCT Article 22(1): 30 months from the priority date
    Under PCT Article 39(1)(a): 30 months from the priority date
    Does the Office permit reinstatement of rights (PCT Rule 49.6)?
    Yes, the Office permits reinstatement of rights under the “due care" criterion.
    Fee for reinstatement
    Refer to the Office
    Translation of international application required into (one of) the following language(s):
    Must be furnished or paid within the time limit applicable under PCT Article 22 or 39(1).
    Khmer
    Required contents of the translation for entry into the national phase:
    Must be furnished or paid within the time limit applicable under PCT Article 22 or 39(1).
    Under PCT Article 22: Description, claims (if amended, as amended only), 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, only as amended by the annexes to the international preliminary examination report)
    Is a copy of the international application required in particular circumstances?
    A copy is required only if the Office has not received a copy of the international application from the International Bureau under PCT Article 20. This may be the case where the applicant expressly requests an earlier start of the national phase under PCT Article 23(2) or 40(2).
    Does the Office accept color drawings under its national law?
    Refer to the Office
    National fees:
    Patents
    Filing fee
    Must be furnished or paid within the time limit applicable under PCT Article 22 or 39(1).
    320,000 KHR
    Claim fee for each claim in excess of 10
    20,000 KHR
    Utility models
    Filing fee
    Must be furnished or paid within the time limit applicable under PCT Article 22 or 39(1).
    160,000 KHR
    Claim fee for each claim in excess of 10
    20,000 KHR
    Exemptions, reductions or refunds of fees:
    None
    Special requirements of the Office (PCT Rule 51bis):
    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.
    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 requirement within a time limit of two months from the date of receipt of the invitation.
    Statement justifying the applicant’s right to the patent
    This requirement may be satisfied if the corresponding declaration has been made in accordance with PCT Rule 4.17.
    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 requirement within a time limit of two months from the date of receipt of the invitation.
    Evidence of entitlement to claim priority where the applicant is not the applicant who filed the earlier application
    Document evidencing a change of name of the applicant if the change occurred after the international filing date
    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 requirement within a time limit of two months from the date of receipt of the invitation.
    Appointment of an agent
    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 requirement within a time fixed in the invitation.
    Instrument appointing the agent (authorization or power of attorney)
    Verification of translation of international application
    Who can act as agent?
    Any patent attorney or patent agent registered before the Office
    Does the Office accept the effect of restoration of the right of priority by the receiving Office (PCT Rule 49ter.1)?
    Yes
    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

    KH.01 TRANSLATION (CORRECTION)
    PCT Art. 46
    Errors in the translation of the international application can be corrected with reference to the text of the international application as originally filed (refer to National Phase, paragraphs 6.002 and 6.003).
    KH.02 FEES (MANNER OF PAYMENT)
    The manner of payment of the fees indicated in the Summary and in this Chapter is outlined in Annex KH.I.
    KH.03 ANNUAL FEES
    PL Art. 46, 
    PL Art. 130

    Annual fees are payable before the second and each subsequent anniversary of the international filing date. Payment of annual fees may still be made within six months from the due date, subject to the payment of a surcharge. The amounts of the annual fees are indicated in Annex KH.I.
    KH.04 APPOINTMENT OF AN AGENT
    The applicant must be represented by an agent in all cases. The agent shall be appointed by filing a power of attorney, signed by the applicant.
    KH.05 EXAMINATION
    PL Art. 37
    The Office carries out formal examination but it does not carry out substantive examination. The Office will take into account:
    (i) the results of any international search and examination;
    (ii) a search and examination report on the corresponding foreign application furnished by the applicant or a final decision on the refusal to grant the corresponding foreign application; and
    (iii) the results of a search and examination report carried out upon its request by an external search and examination authority
    KH.06 AMENDMENT OF THE APPLICATION
    PCT Art. 28, 
    PCT Art. 41

    The applicant may, at any time before the patent is granted, make amendments to his application, provided that the amendment does not go beyond the original disclosure.
    KH.07 EXCUSE OF DELAYS IN MEETING TIME LIMITS
    PCT Art. 24(2), 
    PCT Art. 48(2), 
    PCT Rule 82bis

    Reference is made to paragraphs 6.022 to 6.027 of the National Phase.
    KH.08 REVIEW UNDER ARTICLE 25 OF THE PCT
    PCT Art. 25, 
    PCT Rule 51

    The applicable procedure is outlined in paragraphs 6.018 to 6.021 of the National Phase.
    KH.09 REINSTATEMENT OF RIGHTS
    PCT Art. 37, 
    PCT Rule 49.6

    Reinstatement of rights may be requested where the applicant, in spite of due care required by the circumstances having been taken, failed to perform the acts referred to in Article 22 within the applicable time limit. A request for reinstatement must be presented in writing within two months from the removal of the cause of the failure to observe the time limit or twelve months from the date of expiration of the applicable time limit, whichever time limit expires earlier. Within the said two months, the omitted action must be completed. Please refer to the Office for any fee payable for such request.
    KH.10 UTILITY MODEL
    PL Art. 69
    If the applicant wishes to obtain a utility model instead of a patent in Cambodia, on the basis of an international application, the applicant, when performing the acts referred to in PCT Article 22 or 39(1), shall so indicate to the designated Office.
    KH.11 CONVERSION
    PL Art. 75
    An international application for a patent may be converted into a utility model and vice versa, after the applicant has complied with the requirements for entry into the national phase. Conversion may be requested at any time up to the grant or refusal of the patent or utility model. Please refer to the Office for any fee payable for such request.

    Annexes

    Annex KH.I - Fees
    Patents
    Filing fee:
    320,000 KHR
    Claim fee for each claim in excess of 10:
    20,000 KHR
    Annual fees:
    — for the 2nd year
    80,000 KHR
    — for the 3rd year
    12,000 KHR
    — for the 4th year
    160,000 KHR
    — for the 5th year
    400,000 KHR
    — for the 6th year
    560,000 KHR
    — for the 7th year
    720,000 KHR
    — for the 8th year
    880,000 KHR
    — for the 9th year
    1,040,000 KHR
    — for the 10th year
    1,200,000 KHR
    — for the 11th year
    1,400,000 KHR
    — for the 12th year
    1,600,000 KHR
    — for the 13th year
    1,800,000 KHR
    — for the 14th year
    2,000,000 KHR
    — for the 15th year
    2,200,000 KHR
    — for the 16th year
    2,440,000 KHR
    — for the 17th year
    2,680,000 KHR
    — for the 18th year
    2,960,000 KHR
    — for the 19th year
    3,240,000 KHR
    — for the 20th year
    3,560,000 KHR
    Utility models
    Filing fee:
    160,000 KHR
    Claim fee for each claim in excess of 10:
    20,000 KHR
    Annual fees:
    — for the 2nd year
    80,000 KHR
    — for the 3rd year
    100,000 KHR
    — for the 4th year
    120,000 KHR
    — for the 5th year
    200,000 KHR
    — for the 6th year
    300,000 KHR
    — for the 7th year
    400,000 KHR
    How can payment of fees be effected?
    All fees must be paid to the Office in Cambodian riels. All payments must indicate the application number
    (national, if already known; international, if the national number is not yet known), the name of the applicant and the category of fee being paid.
    Forms
    Please refer to the Office.
    Current version applicable from 1 Apr 2025 , printed on 22 May 2025
    2.1 #12 - 2025-05-20T15:31:04.965+02:00