Query: Who had the biggest fraud case settlement?
Context: Of this amount $2.5 billion was recovered through False Claims Act cases in FY 2010. Examples of fraud cases include the GlaxoSmithKline $3 billion settlement, Pfizer $2.3 billion settlement and Merck & Co. $650 million settlement. Damages from fraud can be recovered by use of the False Claims Act, most commonly under the qui tam provisions which rewards an individual for being a "whistleblower", or relator (law).