Licensing of industrial property subject in general or of trademark in specific is regulated in Intellectual Property law. Accordingly, in trademark licensing, the owner (licensor) grants permission to another (licensee) to use that trademark on mutually agreed terms and conditions. The must be established in written form to avoid dispute in trademark licensing in Vietnam.

According to Vietnam Law on Intellectual property, a PCT applicant who would like to go into Vietnamese phase after the end of PCT procedures need to submit the application within the following duration:

In general terms, your international patent application, provided that it complies with the minimum requirements for obtaining an international filing date, has the effect of a national patent application (and certain regional patent applications) in or for all PCT Contracting States.