October Term 2016 · Docket 16-605

Must a party seeking mandatory intervention prove Article III standing?

The Town of Chester argues that mandatory intervenors need no standing. Laroe Estates claims Rule 24(a)(2) grants full party status without that requirement.

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Town of Chester v. Laroe Estates, Inc.
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Verified source milestones

  1. — An official oral-argument transcript was verified.
  2. — 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

    Mr. Katyal argued that Laroe would lack standing if it filed its own lawsuit.

    Mr. Dvoretzky argued that Article III does not dictate who can join an existing case.

    Justice Kagan asked about the difference between claims in relief and other claims.

    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

This case tests whether federal courts must verify Article III standing for mandatory intervenors. The Town of Chester seeks to dismiss Laroe Estates for lack of standing. Laroe Estates wants to join the existing lawsuit as a full party.

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How the case got here

The Supreme Court heard oral argument in this case on April 17, 2017.

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What each side wants

The Town of Chester wants the Court to require standing for mandatory intervenors.

Laroe Estates wants the Court to allow intervention without a separate standing finding.

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What each side says

The Town of Chester argues Article III requires a case or controversy for all parties.

Laroe Estates argues Rule 24(a)(2) creates full party status independent of standing.

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What the justices asked

Justice Sotomayor asked about the confusion between permissive and automatic intervention.

Justice Breyer questioned why Article III insists on standing if the request matches existing claims.

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Why it matters

This dispute defines the procedural entry point for third parties in federal litigation. It determines whether courts must screen every new party for constitutional injury. The outcome shapes the scope of federal judicial power and case management efficiency.

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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

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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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