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groupon.jpgIPNews® – Blue Calypso’s newest patent has inspired another round of lawsuits related to electronic coupon technology.  Groupon and Yelp, among others, are the targets of the accusations.

Blue Calypso previously filed a patent lawsuit against Yelp in a related action.  To continue reading, click: Groupon, Yelp Sued for Patent Infringement in Electronic Couponing Wars

newspaper.jpgIPNews® – Yelp Inc. is infringing and profiting off of its misuse of Village Voice Media Holdings LLC’s trademarks for its annual “Best Of” features in its publications in many cities across the U.S., the national alt-weekly publisher alleged in a new action in Arizona federal court on Thursday.

Village Voice Media found out in…