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Mayer Brown

Litigation 2011

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Rankings at a glance
Award levelStand-out
InnovationLandmark decision on class actions and arbitration
Originality7
Rationale8
Impact8
Total23
DescriptionIn AT&T Mobility versus Concepcion, successfully argued that states cannot refuse to enforce private agreements to arbitrate because they preclude customers from bringing class actions. The culmination of a long-term strategy that involved turning state law arguments into federal ones.