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Vringo gains after USPTO confirms validity of '420 patent

Jul. 02, 2014 12:00 PM ETXWELL, Inc. (XWEL) StockXWELBy: Eric Jhonsa, SA News Editor4 Comments
  • Vringo (VRNG +4.8%) says it has been mailed a notice by the USPTO stating "it will issue a certificate confirming that all of the claims of U.S. Patent No. 6,314,420 remain valid and unchanged."
  • The '420 patent is one of two being asserted by Vringo in its suit against Google. The USPTO affirmed the validity of the other one (Vringo's '664 patent) last fall.
  • The notice follows a non-final rejection by the USPTO of certain claims within the '420 patent back in January.

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