Wal-Mart seeks smiley face rights

Wal-Mart is embroiled in a legal dispute over the smiley face image which it wants to trademark in the US.

A Frenchman who claims to have invented the yellow smiley face back in 1968 is opposing the US retail giant's move.

For some, the image is a reminder of 1970s counter-culture, for others, a useful shorthand when sending e-mails.

But since 1996, Wal-Mart has used the image in the US on uniforms and promotional signs, and it wants sole rights to it in the US retail sector.

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