Joao Bock Transaction Systems [NPE] filed suit against American Chartered Bank, Associated Bank, BMO Harris Bank, Barrington Bank & Trust, Bridgeview Bank, Centrue Bank, Citizens First National Bank, Fifth Third Bank, First National Bank, Hinsdale Bank, Lake Forest Bank, Libertyville Bank, Northbrook Bank, Northshore Community Bank, The National Bank, US Bank, and West Suburban Bank over a patent related to providing electronic bank account security. Raymond Joao and Robert Bock are the named inventors on the patent-in-suit. This is the 12th time Joao/Bock and their related entities have filed suit. 9/15, Northern District of Illinois, 1:2011cv06472.