October Term 2018 · Docket 17-1184

Can a vocational expert rely on unverified data?

the sides that brought the case argue experts must cite verified sources. The government claims experts may use general knowledge.

Official caption
Biestek v. Berryhill
Latest argument session
Latest official Court activity
Latest verified event
Argued
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Official Transcript

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. Bhabha argued expert testimony must rely on statistical data.

    Mr. Yang explained how vocational experts assess national job markets.

    Mr. Bhabha countered that the government mischaracterized expert handbook requirements.

    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

The case tests whether vocational experts must cite specific data sources. the sides that brought the case seek a strict rule on expert testimony. The government seeks flexibility in how experts present evidence.

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How the case got here

The Supreme Court heard oral argument in this case on December 4, 2018.

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What each side wants

the sides that brought the case want a rule requiring experts to cite verified data sources.

The government wants courts to accept expert testimony based on general knowledge.

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What each side says

the sides that brought the case argue expert testimony must rest on statistical data-driven sources.

The government argues experts may rely on general professional knowledge.

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What the justices asked

Justice Sotomayor asked if the expert extrapolated questionable methodology.

Justice Alito asked how this connects to the substantial evidence standard.

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Why it matters

This dispute defines the evidentiary standard for vocational expert testimony. It determines how courts evaluate expert claims about job availability. The outcome shapes future disability benefit determinations nationwide.

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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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