NPE Status Practicing Entity Declaratory Judgment No See case in Lex Machina Civil Action 1:10-cv-00621 Filing Date Jul 21, 2010 Venue D.Del. Termination Date Jun 20, 2012 US Patent No 5956681 6519562 6563911 6606611 6615173 6665641 6671354 6789062 6804653 6813603 7716058 Patent Asserters: Patent Asserter Vlingo Corp. 8 Product company Alleged Infringers: Nuance Communications, Inc.
