Visa, Inc.

O’Melveny has served as Visa’s primary counsel on matters involving major account data compromise events at processors and merchants. This includes defending Visa in the first major merchant lawsuit to challenge Visa’s operating regulations governing loss-allocation in the event of a major merchant breach. We also have represented Visa in resolving the largest account data compromise events in the history of the payments system, including resolutions of breaches at Target Corporation, Heartland Payments Systems, and the TJX Companies.