"Plaintiff LML is a subsidiary of LML Payment Corp., which is a "leading provider of electronic payment and risk management and authentication services," the original complaint states. LML claims it owns the rights to U.S. Patent No. RE 40,220 for a Check Writing Point of Sale System. In the complaint, LML alleges that 19 banking and financial institutions are infringing the '220 Patent. Defendants named in the suit include JP Morgan Chase, Wells Fargo, Wachovia, Citigroup, HSBC, Capital One, Citizens, Deutsche Bank and PayPal."