If the applicant to whom the NOIP has sent a notice on its intended refusal of the application fails to correct errors or unsatisfactorily corrects errors or makes no opposition or makes unreasonable opposition to the intended rejection within the set time limit[…]
On the date of expiration of the time limit for substantive examination of an application at the latest, the NOIP shall send to the applicant one of the following notices:
IP Vietnam Law regulated the publication of Vietnam patent application as follows[…]
Request for correction and amendment of Vietnam patent application
A patent application filed with the NOIP shall be subject to formal examination for evaluating its validity.