HomeIP-GuideCambodia General informationInvention (Paris Convention) Cambodia
  • International Country Code:

    KH
  • Time Zone:

    UTC/GMT +07:00
  • Currency:

    Cambodian Riel (KHR)

Patent in Cambodia (non-PCT)

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  • Patent fees

Fees associated with filing patent applications in Cambodia, as well as other patent fees, are available in the fee calculator.

  • The term for filing patent applications in Cambodia

Patent applications claiming priority should be filed with the Cambodian Patent Office within 12 months from the priority date. The term cannot be restored.

  • Minimum filing requirements in Cambodia

To obtain a filing date, a Cambodian patent application should contain a request to grant a patent, applicant’s and inventor’s information, title of the invention, specification and claims.

  • Language of the Cambodian patent application

The official language is Khmer. An application may be filed in any other language, and its Khmer translation should be submitted within six months from the filing date.

  • Priority document

The priority document and its certified translation into Khmer should be submitted within three months from the filing date.

  • Power of Attorney requirements

An original notarized Power of Attorney may be provided within two months from the filing date. However, at least a copy must be submitted at the time of filing of a patent application in Cambodia.

  • Substantive examination request

The substantive examination should be requested at the time of filing of a patent application in Cambodia.

  • Novelty grace period

The novelty grace period constitutes 12 months from the first disclosure to the filing date or the priority date, if any.

  • Grant and maintenance fees

The grant fee is to be paid within one month from the date of issuance of the decision to grant. Annual fees are due each year starting from the 2nd one and should be paid on each anniversary of the filing date. Payment of annual fees may still be made within 6 months from the due date, subject to the payment of a surcharge.

  • Representation by a patent attorney

Foreign applicants must perform patent registration in Cambodia through a representative, a registered Cambodian patent attorney.

  •  Notes

1. An invention may be protected as a utility model in Cambodia. The validity term of utility models in Cambodia constitutes seven years from the filing date without the possibility of renewal.
2. As of March 1, 2018, it is possible to validate European patents in Cambodia.
3. It is possible to validate Chinese invention patents (not utility models and design patents) in Cambodia, providing that they have the filing date after January 22, 2003 and are granted in good order. Duration of the validated patents is 20 years from the filing date of the corresponding Chinese application, meaning that such patents have legal force in Cambodia for the rest of the term of the corresponding Chinese patents.

Brief summary is based on the information provided by Haihan IP on 06.02.2019
Please contact us if the above information contains any discrepancies with Cambodian IP Laws

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