Four Printer Companies Accused of Patent Infringement by Marathon Patent ... MENAFN.COM ... ("Marathon"), a patentlicensing company, announced today that its subsidiary, CyberFoneSystems, LLC ("CyberFone"), has filed four patent infringementlawsuits in the United States Eastern District Court of Texas againstLexmark, Konica Minolta, Ricoh ... UPDATE: Four Printer Companies Accused of Patent Infringement by Marathon ... |