Atty. Peter Douglas Keisler

Atty. Peter Douglas Keisler

Mr. Peter Douglas Keisler is a lawyer practicing appellate, administrative law appeals, commercial litigation appeals and 4 other areas of law.

Washington Washington 41 yrs experience 41 year
Call (771) 220-6457 Book Appointment

Profile Summary

About Peter Douglas Keisler at a glance

Peter Douglas Keisler is a Partner based in Washington, District of Columbia, practicing at Sidley Austin Llp. They have 41+ years of legal experience, licensed to practice since 1985. Their practice focuses on securities, government, and appellate. Admitted to practice in Pennsylvania (1985), U.S. Court of Appeals, District of Columbia Circuit (1989), District of Columbia (1989), and U.S. District Court for the District of Columbia (1990). Educated at Yale Law School (J.D., 1985) and Yale University (B.A., 1981). Recognitions include AV Preeminent. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Peter Douglas Keisler is a lawyer practicing appellate, administrative law appeals, commercial litigation appeals and 4 other areas of law
  • Peter received a B.A. degree from Yale University in 1981, and has been licensed for 41 years
  • Peter practices at Sidley Austin LLP in Washington, DC

Practice Areas Explained

Peter Douglas Keisler's Areas of Practice

Each practice area below reflects the types of cases Peter Douglas Keisler handles, with a brief overview of what that area of law covers.

Securities Law

Peter Douglas Keisler is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in District of Columbia →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Peter Douglas Keisler is one of 132,225 government attorneys indexed nationally. Browse government attorneys in District of Columbia →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

Peter Douglas Keisler is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in District of Columbia courts without local counsel or pro hac vice admission.

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about Peter Douglas Keisler

Where is Peter Douglas Keisler's law office located?
Peter Douglas Keisler's law practice is located in Washington, District of Columbia. The firm is Sidley Austin Llp. You can contact the office directly through this profile page.
What practice areas does Peter Douglas Keisler handle?
Peter Douglas Keisler focuses on securities, government, appellate. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Peter Douglas Keisler practiced law?
Peter Douglas Keisler has 41+ years of legal experience and has been licensed since 1985.
Where did Peter Douglas Keisler go to law school?
Peter Douglas Keisler earned their education at (J.D., 1985); (B.A., 1981).
How can I contact Peter Douglas Keisler for a consultation?
You can contact Peter Douglas Keisler directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Peter Douglas Keisler received?
Peter Douglas Keisler's notable recognition includes: AV Preeminent.

Education

J.D.
Yale Law School
- 1985
B.A.
Yale University
- 1981

Awards

AV Preeminent

Bar Admissions

Pennsylvania
Admitted: 1985
U.S. Court of Appeals, District of Columbia Circuit
Admitted: 1989
District of Columbia
Admitted: 1989
U.S. District Court for the District of Columbia
Admitted: 1990
U.S. Court of Appeals, Eighth Circuit
Admitted: 1991
U.S. Court of Appeals, Seventh Circuit
Admitted: 1991
U.S. Supreme Court
Admitted: 1992
U.S. Court of Appeals, Eleventh Circuit
Admitted: 1994
U.S. Court of Appeals, Tenth Circuit
Admitted: 1997
U.S. Court of Appeals, Sixth Circuit
Admitted: 1999
U.S. Court of Appeals, Second Circuit
Admitted: 2000
U.S. Court of Appeals, Fifth Circuit
Admitted: 2004
Maryland
Admitted: 2004
U.S. Court of Appeals, Federal Circuit
Admitted: 2008
U.S. Court of Appeals, Ninth Circuit
Admitted: 2009

Reviews

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