695. Function of article.

An old design1 is invalid if it is registered in respect of features of shape or configuration which are dictated solely by the function which the article2 to be made in that shape or configuration has to perform3; nor can valid protection be acquired for a mere mechanical device4. Where an article is purely functional, so that its shape has no customer or consumer5 eye appeal, that shape is not a design and therefore any registration for the same is invalid6.

A particular shape or configuration is dictated solely by function if its relevant features are brought about by, or

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