Atty. Andrew Lyonsberg

Atty. Andrew Lyonsberg

Andrew Lyonsberg focuses his practice on litigation in the Supreme Court and appellate courts across the country, as well as major motions at the trial-court level. He has briefed more than fifty appellate matters and dispositive motions, and has argued before the US Courts of Appeals for the Fifth, Sixth, and Seventh Circuits.

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Profile Summary

About Andrew Lyonsberg at a glance

Andrew Lyonsberg is a appellate attorney based in Washington, District of Columbia, practicing at McDermott Will & Schulte. Educated at Yale University (—, 2016). Recognitions include Best Lawyers in America — Appellate Practice (2026). Serves clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Andrew Lyonsberg focuses his practice on litigation in the Supreme Court and appellate courts across the country, as well as major motions at the trial-court level
  • He has briefed more than fifty appellate matters and dispositive motions, and has argued before the US Courts of Appeals for the Fifth, Sixth, and Seventh Circuits
  • Andrew also has extensive experience with agency litigation under the Administrative Procedure Act, including several recent victories setting aside federal agency action
  • Read full biography: https://www.mwe.com/people/andrew-a-lyons-berg/

Practice Areas Explained

Andrew Lyonsberg's Areas of Practice

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

Appellate Practice

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

Andrew Lyonsberg is one of 77,587 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 venue, 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 Andrew Lyonsberg

Where is Andrew Lyonsberg's law office located?
Andrew Lyonsberg's law practice is located in Washington, District of Columbia. The firm is McDermott Will & Schulte. You can contact the office directly through this profile page.
What practice areas does Andrew Lyonsberg handle?
Andrew Lyonsberg focuses on appellate. Each practice area listed reflects experience handling cases of that type in District of Columbia.
Where did Andrew Lyonsberg go to law school?
Andrew Lyonsberg earned their education at (—, 2016).
How can I contact Andrew Lyonsberg for a consultation?
You can contact Andrew Lyonsberg 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 Andrew Lyonsberg received?
Andrew Lyonsberg's notable recognition includes: Best Lawyers in America — Appellate Practice.

Practice Areas

Education

Yale University
- 2016

Awards

Best Lawyers in America — Appellate Practice
- 2026

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