Article 11 of the Trademark Law The following signs shall not be registered as trademarks: (1) Only the common name, graphics, and model of the product (2) Only directly indicating the quality, main raw materials, functions, (3) Lack of distinctive features in terms of purpose, weight, quantity and other characteristics. Warmth is a function of clothes, but brightness is a function of lamps. No, Sydney has no distinctive features and is also the main raw material, no.