November 15, 2018 By admin Law360, New York, January 12, 2012 Law360, New York (January 12, 2012, 1:00 PM ET) — Helferich Patent Licensing LLC added another name to a growing list of litigants on Tuesday when it sued Nissan Motor Co. Ltd. in Arizona, alleging the carmaker infringed three mobile alert technology patents by sending text messages to customers.