Long Corner Security LLC is a new NPE that filed 53 cases in a single day earlier this week. The entity is asserting a single patent (5,963,642) against a broad spectrum of financial services and technology companies including American Express, Chase, Digital River, Discover Financial, eBay, EMC, First Data, Groupon, HP, Ingenico, Intel, IBM, MasterCard, SafeNet, Salesforce, US Bancorp, Vantiv, VeriFone, Visa, and Wells Fargo. The patent-in-suit relates to the use of semantic encryption in a database. The entity’s registered agent is Sanjay Pant, who is also connected to Long Corner Capital Management and Long Corner Consumer Electronics.