“the mark consists of a transparent bin or collection chamber forming part of the external surface of a vacuum cleaner as shown in the representation”
“Libertel did not hold that a non-spatially delimited colour mark that specified a Pantone shade, would, in all cases, satisfy the ‘sign’ requirement. It depends on the ‘context’ and to date the only clear guidance on what this context includes is that of the Advocate General and the Court of Justice in Heidelberger”
“97. The appellant’s primary case is set out above. If it is right about its primary case on section 3(1)(a) then the mark cannot be said to have acquired distinctive character under the proviso to section 3(1)(b) of the Act. The appellant does not run any discrete arguments under s3(1)(b). It confines the appeal to asserting that it is not possible for a mark (a) which is not a sign or (b) whose graphical representation does not satisfy the Sieckmann criteria, to acquire distinctive character through use.”