Barnes & Noble Hit With Patent Suit Over Nook E-Reader

Law360, New York (January 10, 2011, 2:29 PM EST) -- Software company Deep9 Corp. has launched an infringement suit against Barnes & Noble Inc. over online database update patents allegedly used by the bookseller's Nook e-reader.

The suit, filed Friday in the U.S. District Court for the Western District of Washington, alleges that Barnes & Noble and its online affiliate, LLC, infringed U.S. Patent Numbers 5,937,405 and 6,377,951.

The patents, both called "On-Line Database Updating Network System and Method," describe a method for a user and a host terminal to update information over a communications...
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