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‘Pi’ trademark causes stir with online retailer

03-06-2014

‘Pi’ trademark causes stir with online retailer

Photo: Benjamin Haas / Shutterstock.com

A US online retailer has resisted calls for “thousands” of clothes featuring the mathematical sign ‘pi’ to be taken down after an artist claimed he owns a trademark for the symbol.


Zazzle, Pi, trademark, Paul Ingrisano.

WIPR

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