An investor with Hansen Medical, Inc. (NASDAQ:HNSN) has filed a lawsuit in the United States District Court for the Northern District of California on behalf of a class consisting of all persons or entities who purchased the securities of Hansen Medical, Inc. ("Hansen Medical" or the "Company")(Nasdaq:HNSN) between May 1, 2008 and October 18, 2009, against Hansen Medical and others over alleged ...

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