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Tuesday, May 12, 2026

This Week At The Ninth: Delegation Clauses And The False Claims Act - Sovereign Immunity: Public Sector Government - United States - Mondaq

This week, the Court addresses whether a court or an arbitrator must consider a sovereign immunity defense to arbitration, and applies the False Claims Act to a defendant's allegedly fraudulent Medicare billing practices.

CAREMARK, LLC v. CHICKASAW NATION

The Court holds that an Indian tribe's sovereign immunity and statutory challenges to the arbitrability of a contract dispute were properly delegated to an arbitrator for resolution in the first instance.

Panel: Judges Wallace, Boggs (CA6), and Friedland, with Judge Friedland writing the opinion.

Key Highlight: "The Nation's proposed approach here would put the cart before the horse, requiring us to resolve whether there has been a waiver of tribal immunity for particular claims for which arbitration is sought before determining whether an arbitration agreement exists at all."

Background: Chickasaw Nation, a federally recognized Indian tribe that operates its own health care system, contracted with Caremark to manage prescription drug benefits provided through a number of tribal pharmacies. The contracts, among other things, required that all disputes arising from the agreement be resolved in arbitration. The arbitration provision also included a "delegation clause" providing that an arbitrator, instead of a court, should resolve any threshold issues about the formation, scope, or enforceability of the arbitration agreement.

Chickasaw Nation sued Caremark in federal court, alleging that the company had violated the Indian...



Read Full Story: https://www.mondaq.com/unitedstates/sovereign-immunity-public-sector-governme...