LeapFrog Enterprises Inc., maker of the LeapPad educational toy line, has sued Mattel Inc.’s Fisher-Price Inc., sparking a patent-infringement battle over talking books that are expected to be hot ...
Can you spell l-a-w-s-u-i-t? LeapFrog Enterprises, maker of the wildly popular LeapPad educational toy line, has sued Mattel Inc.'s Fisher-Price for allegedly violating its patented talking book ...
A federal judge declared a mistrial Friday in LeapFrog Enterprises Inc.’s lawsuit seeking $58 million from Mattel Inc.’s Fisher-Price unit over a patent for interactive books that help children learn ...
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