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Pragmatus AV LLC v. Yahoo! Inc.
Case Number:
1:11-cv-00902
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August 28, 2013
Yahoo Loses Bid To Consolidate Messenger IP Suits
Yahoo Inc. will be forced to fight patent infringement claims over its messenger technology on two fronts following a Delaware federal judge's Wednesday ruling that the original suit brought by Pragmatus AV could not be transferred to California, where a similar suit is pending.
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October 05, 2011
Yahoo Taken To Court Over Online Chat Patents
Yahoo Inc. was sued Tuesday by an intellectual property licensing group that claims the Internet company infringed a set of patents for use in its Yahoo Messenger online chat service.