A patent infringement lawsuit is filed by an Illinois man who wants to take his fight over a ketchup invention to court.  The "Chicago Tribune" says Scott White of Chicago is suing H.J. Heinz Company over its alleged theft of his invention for a specially-designed single-serving packet of ketchup.  

White says he filed his patent application in 2005 for something called a CondiCup which he contends Heinz swiped to make its "Dip and Squeeze" packets.  Heinz has denounced the allegation that it stole the idea and the company says it successfully won a similar lawsuit earlier this year.

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