October Term 2010 · Docket 09-893

Does federal law block states from banning class action waivers in arbitration?

AT&T argues federal law voids California rules that ban class action waivers. Concepcion argues those rules survive federal preemption.

Official caption
AT&T Mobility LLC v. Concepcion
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Official Transcript

Verified source milestones

  1. — An official oral-argument transcript was verified.

The arguments, in order

This case may have been argued more than once. Each entry below uses that session's official transcript. Later arguments do not erase earlier ones.

  1. Argument 1 ·

    What happened at the argument

    Pincus argued the Ninth Circuit allowed state law to mandate arbitration procedures. He stated the law must require the same procedure in litigation.

    Gupta argued the Court is not applying California common law. He stated the issue is federal preemption, not state law interpretation.

    Scalia questioned if a state can find distant arbitration unconscionable. He asked how that applies to other contracts.

    Breyer asked if Discover Bank sets out the California rule. He sought confirmation on the legal standard.

    Read the official transcript for this argument · Official argument details

    Sources used for this argument breakdown

A citizen's guide to the whole case

What this case is about

AT&T Mobility LLC v. Concepcion

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How the case got here

The Supreme Court heard oral argument in this case on November 9, 2010.

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What each side wants

AT&T wants the Court to strike down the California rule. It seeks to enforce its class action waiver.

Concepcion wants the Court to uphold the California rule. It seeks to keep the class action waiver void.

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What each side says

AT&T argues federal law preempts state rules that favor arbitration. It claims the state rule invalidates its contract.

Concepcion argues the state rule does not favor arbitration. It claims the rule applies equally to litigation and arbitration.

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What the justices asked

Justice Scalia asked if a state can find distant arbitration unconscionable. He questioned how that applies to other contracts.

Justice Breyer asked if Discover Bank sets out the California rule. He sought confirmation on the legal standard.

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Why it matters

This case determines if companies can force consumers into individual arbitration. It shapes the balance between federal contract law and state consumer protections.

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What happens next

This article currently covers the argument record. Use the official docket link for later case activity.

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Official Court provenance

Official docket and case history · Official Supreme Court oral-argument detail page

Title and summary sources

Revision history

  1. Revision 1 · Official Transcript ·

    Correction: Rewritten to the concise citizen-facing editorial standard.

  2. Revision 2 · Official Transcript ·

    Correction: Migrated to the dated official Court activity contract without model use.

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