hank you for your enquiry and reaching out to our firm.We are pleased to enclosed our cost estimate for filing a patent application in Cambodia.We would like to inform you that the Cambodia patent office does NOT proceed with substantive examination. At the present, they just accept JP/CN/Singapore/EU patents to issue Cambodian patents. Therefore, we would recommend adapting claims to those of JP/CN/Singapore/EU patents.We trust the above is of assistance. If you have further questions, please do not hesitate to contact us.Thank you and look forward to receiving your instructions soon.