Preemption
Self-Insurance Institute of America, Inc. v. Snyder
Sixth Circuit Holds that ERISA Does Not Preempt Michigan Medicaid Tax Law.
Federal Preemption
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Immigration
Policing Immigrant Communities
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Election Law
Arizona v. Inter Tribal Council of Arizona, Inc.
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Federal Preemption
Arizona v. United States
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Environmental Law
North Carolina ex rel. Cooper v. TVA
Fourth Circuit Holds that State Public Nuisance Suit Against Electricity-Generating Plant Emissions Is Preempted by the Clean Air Act Regime.
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Federal Preemption
Wyeth v. Levine
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Federal Preemption
Cuomo v. Clearing House Ass’n
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Federal Courts
Riegel v. Medtronic, Inc.