Collective mark, registered on behalf of groups, associations or other organizations, and commercial activities for the members of the organization, in order to show that the sign of the user's membership in the organization. Certification mark, is controlled by the oversight capacity of a commodity or service organization, their commodities or services used by units or individuals outside the organization, to prove that the goods or services of origin of raw materials, manufacturing methods, quality or other specific characteristics. Following signs, if not acquired through the use of significant features and ease of identification, and shall not be registered as trademarks: (a) only the commodity common name, graphics, models; (b) simply directly indicating the quality of goods, mainly raw materials, function, use, weight, quantity, and other characteristics; (c) the lack of significant features