(3)A mark shall not be registered as a trade mark if it consists exclusively of—(a)the shape of goods which results from the nature of the goods themselves; or(b)the shape of goods which is necessary to obtain a technical result; or(c)the shape which gives substantial value to the goods.Explanation.—For the purposes of this section, the nature of goods or services in relation to which the trade mark is used or proposed to be used shall not be a ground for refusal of registration.
