October Term 2000 · Docket 99-2071

Does federal law violate equal protection by treating mothers and fathers differently in citizenship transmission?

the sides that brought the case argue federal citizenship rules discriminate against fathers. The government claims Congress holds plenary power over naturalization.

Official caption
Tuan Anh v. INS
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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

    Ms. Davis argued the case raises an equal protection question. She stated Joseph Boulais raised his son from infancy. She asserted the statute treats mothers and fathers differently.

    Mr. Kneedler argued the naturalization clause grants Congress plenary power. He stated this power is inherent in national sovereignty. He asserted Congress determines which aliens gain citizenship.

    Chief Justice Rehnquist asked if a favorable ruling would require reassessing Lehr. Ms. Davis said it would not. The Chief Justice then closed the argument.

    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 citizenship laws treat parents equally. Joseph Boulais raised his out-of-wedlock son from infancy. The dispute centers on the Fifth Amendment due process clause. The government asserts Congress controls who becomes a citizen. the sides that brought the case seek equal treatment under the law.

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How the case got here

The Supreme Court heard oral argument in this case on January 9, 2001.

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What each side wants

the sides that brought the case want the Court to strike down the citizenship statute. They seek equal treatment for fathers under the law.

The government wants the Court to uphold the statute. It seeks to preserve Congress's plenary power over naturalization.

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What each side says

the sides that brought the case argue the statute violates the equal protection component of the Fifth Amendment. They claim differential treatment of parents is unconstitutional.

The government argues the Constitution commits naturalization power to Congress. It asserts this power is inherent in national sovereignty.

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What the justices asked

Chief Justice Rehnquist asked if a ruling for the sides that brought the case would require reassessing the Lehr decision. Ms. Davis responded that it would not.

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Why it matters

The outcome defines how federal law treats parents of out-of-wedlock children. It clarifies the scope of Congress's power over citizenship. It determines whether the Fifth Amendment requires equal treatment in this context.

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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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