A mark shall be deemed to be indistinctive if it is a sign falling into one of the following categories:
– Simple shapes and geometric figures, numerals, letters or scripts of uncommon languages, except where such sign has been widely used and recognized as a mark;
– Conventional signs or symbols, pictures or common names in any language of goods or services that have been widely and regularly used and known to many people;
– Signs indicating time, place and method of production; category, quantity, quality, properties, ingredients, use, value or other characteristics descriptive of goods or services, except where such sign has acquired distinctiveness by use before the filing of the application for registration of the mark;
– Signs describing the legal status and business sector of business entities;
– Signs indicating the geographical origin of goods or services, except where such sign has been widely used and recognized as a mark or registered as a collective mark or certification mark as stipulated in this Law;
– Signs other than integrated marks which are identical with or confusingly similar to registered marks of identical or similar goods or services on the basis of applications for registration with earlier filing dates or priority dates, as applicable, including applications for registration of marks filed pursuant to a treaty of which the Socialist Republic of Vietnam is a member;
– Signs identical with or confusingly similar to another person’s mark which has been widely used and recognized for similar or identical goods or services before the filing date or the priority date, as applicable;
– Signs identical with or confusingly similar to another person’s mark which has been registered for identical or similar goods or services, the registration certificate of which has been invalidated for no more than five years, except where the ground for such invalidation was non-use of the mark pursuant to sub-clause (d) of article 95.1 of this Law;
– Signs identical with or confusingly similar to another person’s mark recognized as a well known mark which has been registered for goods or services which are identical with or similar to those bearing such well known mark, or for dissimilar goods or services if the use of such mark may affect the distinctiveness of the well known mark or the mark registration was aimed at taking advantage of the reputation of the well known mark;
– Signs identical with or similar to another person’s trade name currently in use if the use of such sign may cause confusion to consumers as to the origin of goods or services;
– Signs identical with or similar to a protected geographical indication if the use of such sign may mislead consumers as to the geographical origin of goods;
– Signs identical with, containing or being translated or transcribed from protected geographical indications for wines or spirits if such sign has been registered for use with respect to wines and spirits not originating from the geographical areas bearing such geographical indications;
– Signs identical with or insignificantly different from another person’s industrial design which has been protected on the basis of an application for registration of an industrial design with a filing date or priority date earlier than that of the application for registration of the mark.