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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.

Peter D. Keisler · SCOTUS.wiki

Advocate

Peter D. Keisler

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

Advocate profile

Attorney before the Supreme Court

1 oral argument before the Court.

Counsel

Peter D. Keisler

Total arguments

1

Home state

Unavailable

Date of birth

Jan 1, 1970

Gender

Unavailable

Which side they argue

Petitioner1

Respondent0

Amicus curiae0

Cases argued

Oral arguments before the Court.

OT 2020

20-472

For petitioner

HollyFrontier Cheyenne Refining, LLC, et al. v. Renewable Fuels Association, et al.

For petitioner · Petitioners

Argued Apr 27, 2021 · Decided Jun 25, 2021