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The Judicial Branch

SCOTUS.wiki

Tracking the Supreme Court in plain language — justices, opinions, cases, and the Court’s calendar.

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The Judicial Branch

SCOTUS.wiki

Tracking the Supreme Court in plain language — justices, opinions, cases, and the Court’s calendar.

Color Theme

Congress.wiki WhiteHouse.wiki

Terms of Service

Share your feedback

Help us improve by sharing your thoughts, reporting issues, or suggesting features.

Description

Describe the issue or feature request. Your current page will automatically be included.

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This is not an official Supreme Court website.

Copyright © 2026 PLEJ LLC. All rights reserved.

David F. Klein · SCOTUS.wiki

Advocate

David F. Klein

Arguments, affiliations, and case history for a SCOTUS advocate.

Advocate profile

Attorney before the Supreme Court

1 oral argument before the Court.

DFK

Counsel

David F. Klein

Total arguments

1

Home state

Unavailable

Date of birth

Jan 1, 1970

Gender

Unavailable

Which side they argue

Petitioner0

Respondent1

Amicus curiae0

Cases argued

Oral arguments before the Court.

OT 2021

20-827

For respondent

United States v. Zayn al-Abidin Muhammad Husayn, aka Abu Zubaydah, et al.

For respondent · Respondents

Argued Oct 6, 2021 · Decided Mar 3, 2022