The opposition request must be in written form and the source of its accompanied supporting materials (if any) must be specified.
A possible opposition will be considered at the time of the trademark application’s examination as to substance.
As a general procedures, within 01 month (in fact, the time can extend to 02-04 months) as from the receiving date of our opposition, the NOIP will consider and then may convey its contents to the Applicant and fix about 01 month for them to present opinions. After receiving response of the Applicant (if they submit), the NOIP will inform and give the Opponent 01 month for filing response, submission of opinions.
In some cases, the IP Vietnam may give conclusion upon consideration of opposition without conveying its contents to the Applicant if they think that it is clear enough to conclude. It is possible for the IP Vietnam to organize conversation between the Opponent and the Applicant, upon request of the two parties, to clarify the matter (if necessary).
Upon considering the evidences submitted by the two parties, the IP Vietnam will make a decision to accept opposition or not.