---
title: "M. Margaret McKeown | KnowJudges"
canonical: "https://knowjudges.com/kyj/judge/m-margaret-mckeown"
page_type: "judge_profile"
updated: "2026-10-09"
---

# M. Margaret McKeown

U.S. Court of Appeals for the Ninth Circuit · U.S. Circuit Judge

## Profile

- Court: U.S. Court of Appeals for the Ninth Circuit
- State: National federal courts
- Role: U.S. Circuit Judge
- Service status: senior
- Last verified: 2026-07-25

## Summary

Official statewide and applicable court procedural guidance applies to this judge.

## Biography

### Professional career

- Judge, Court of Appeals for the Ninth Circuit, 1998-present
- Notable works include Citizen Justice: The Environmental Legacy of Justice William O. Douglas—Public Advocate and Conservation Champion (2022) and numerous law journal articles on technology, ethics, and gender equality
- Judge McKeown has taught as an adjunct professor at Georgetown University Law Center, Northwestern University School of Law, the University of Washington School of Law, and is jurist-in-residence at the University of San Diego School of Law
- Before her judicial appointment, McKeown was the first female partner at the law firm Perkins Coie in Seattle and co-founded its Washington, D.C. office.

### Education

- Georgetown University Law Center in and later received an honorary Doctor of Laws from Georgetown University — J.D. (1975)
- University of Wyoming in, graduating Phi Beta Kappa, and studied at the University of Madrid — B.A. (1972)

### Additional information

- She assumed senior status on September 15, 2022.
- received her commission on April 8, 1998.
- Private practice, Seattle, WA, 1975-1998
- President Bill Clinton nominated McKeown to the United States Court of Appeals for the Ninth Circuit in 1996 and renominated her in 1997.
- Special assistant to the secretary of the interior and special assistant at the White House, 1980-1981
- Mary Margaret McKeown was born on May 11, 1951, in Casper, Wyoming, and graduated from Kelly Walsh High School in 1969.
- Date of birth: 1951-01-01
- representing major clients such as Boeing, Nintendo, Amazon, and Citicorp.
- She is also an affiliated scholar at Stanford University’s Center for the American West.
- She specialized in intellectual property, antitrust, trade regulation, and complex litigation
- She also held the role of a White House Fellow, working as Special Assistant to the Secretary of the Interior and for domestic policy at the White House.
- During her tenure, she has chaired the Ninth Circuit Workplace Environment Committee and the Pacific Islands Committee, and served on multiple judicial ethics and conduct committees.
- She has published extensively on topics including intellectual property, judicial ethics, international law, and human rights.
- Birth place: Casper, WY

## Before you appear

- Read the judge-specific standing order first when one is listed.
- Check the docket and case orders for requirements that supersede broader guidance.
- Confirm current remote-access and courtroom technology arrangements before the proceeding.

## Courtroom Rules

### appellate oral argument

Scope: courtwide

In federal courts of appeals, oral argument is allowed unless a three-judge panel unanimously finds one of Rule 34's specified grounds for dispensing with it; the clerk provides the date, time, place, and time allocation.

Evidence excerpt: Oral argument must be allowed in every case unless a panel of three judges who have examined the briefs and record unanimously agrees that oral argument is unnecessary

[Federal Rule of Appellate Procedure 34, Oral Argument](https://www.uscourts.gov/forms-rules/current-rules-practice-procedure/federal-rules-appellate-procedure)
Source checked: 2026-07-26


## Sources

- [Official profile](https://www.fjc.gov/node/1390641)
- [Official roster](https://www.fjc.gov/node/1390641)
- [Federal Judicial Center biography](https://www.fjc.gov/node/1390641)
- [CourtListener judicial biographical directory](https://www.courtlistener.com/person/2157/mary-margaret-mckeown/)
- [Federal Rule of Appellate Procedure 34, Oral Argument](https://www.uscourts.gov/forms-rules/current-rules-practice-procedure/federal-rules-appellate-procedure)
- [CourtListener judicial biographical directory](https://www.courtlistener.com/person/2157/mary-margaret-mckeown/)
- [Wikidata: M. Margaret McKeown](https://www.wikidata.org/wiki/Q6712888)

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