[1] time limit

 

twelve [12] months counted from the earliest priority date is limited to claim the priority on the basis of the conventional patent application under Paris Convention.

 

thirty [30] months from the earliest priority date claimed in PCT application (filed on or after 8 December 2016) is limited to enter the national phase under PCT Article 22 or PCT Article 39. 

 

[2] requirements

 

In order to file an application for a patent/utility model in Cambodia, it is required the following documents:

 

Direct National Application

 

documents

remarks

time of filing

Power of Attorney

- notarized

within two [2] months from the filing date

Inventorship Deed of Assignment

- notarized & required when applicant and inventor is not the same

within two [2] months from the filing date

English patent specification

- required

on filing date

Khmer specification

- required

within six [6] months from the filing date

 

Convention Based-Application

 

documents

remarks

time of filing

Power of Attorney

- notarized

within two [2] months from the filing date

Priority document

- certified copy which issued by the first receiving office

- English & Khmer translations are required

within three [3] months from the filing date

Priority Deed of Assignment

 - notarized & required when applicant is other than one in priority document

within three [3] months from the filing date

English patent specification

- required

on filing date

Khmer patent specification

- required

within six [6] months from the filing date

Copy of examination report of corresponding application in foreign country

- if any

on available

Copy of registration certificate of patent/petty patent obtained in foreign country

- if any

on available


Entry of PCT National Phase

 

documents

remarks

time of filing

Power of Attorney

- notarized

within two [2] months from the filing date

Priority Deed of Assignment

 - notarized & required when applicant is other than one in priority document

within two [2] months from the filing date

English patent specification

- required

on filing date

Khmer patent specification

- required

within six [6] months from the filing date

International Search Report

- if available

on available 

International preliminary examination report

- if available

on available 

Copy of examination report of corresponding application in foreign country

- if any

on available

Copy of registration certificate of patent/petty patent obtained in foreign country

- if any

on available

 

[4] examination

 

An application for invention/utility model in Cambodia shall be conducted the formality examination and substantive examination with the alternate publication.

 

formality

 

A formality examination will take three [3] months from the filing date.

 

A response for formality refusal have to be made within two [02] months from the date of notification.

 

publication                                   

 

If the application is considered formality accepted, it will be published in the official Gazette in the 18th month counted from the filing date or the priority date. However, as a matter of practice, until the date of 2013, the publication step has not been performed for any patent application.  

 

substance

 

Currently, Cambodia Patent Office itself has no facilities to conduct the substantive examination of patent application, and the substantive examination result will be followed to the result which is made by any foreign Patent Office for its corresponding application.

 

In case the applicant cannot submit the foreign examination results, the Cambodia patent office will request a foreign searching and examining authority to take the substantive examination for the application upon the request of applicant.

 

A response for substantive refusal have to be made within five [05] months from the date of notification.

 

grant             

                       

If the application is considered accepted to grant a patent, the Registrar will request the applicant to pay the grant fee within three [3] months from the date of the notification.

The whole duration for the grant and publication of Patent certificate is about [32]~[48] months from the date on which the application is filed in due course

 

[5] term & maintenance

 

Term of protection of patent is twenty [20] years from the filing date, while is [07] years for utility model. The annuity must be paid in advance for every year, but annuity for the first year is required the time of filing notwithstanding the patent is granted or not.

 

A six-month grace period is allowed for the late payment of annual fee with an additional surcharge.



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