Margaret H. "Peg" Warner
Washington, DC
Trusted business attorney serving Washington.
Practices in
Are you Margaret H. "Peg" Warner?
This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.
Quick answer
Margaret H. "Peg" Warner is an attorney based in Washington, DISTRICT OF COLUMBIA. The practice focuses on Business, Insurance, and Litigation.
- Based in
- Washington, DISTRICT OF COLUMBIA
- Experience
- attorney
- Known for
- Business · Insurance · Litigation
- Handles Business, Insurance, and Litigation matters from Washington, DISTRICT OF COLUMBIA.
- Recognized with Best Lawyers in America — Commercial Litigation (2026).
About Margaret H. "Peg" Warner: Margaret H. "Peg" Warner is an attorney based in Washington, DISTRICT OF COLUMBIA. The practice focuses on Business, Insurance, and Litigation.
Areas of practice
Practice focus
Margaret H. "Peg" Warner represents clients in Washington, District of Columbia across the following areas of law. Each area links to other verified attorneys with the same focus.
Biography
About Margaret H. "Peg" Warner
Peg has served as first chair trial and appellate counsel in state and federal courts in over 30 jurisdictions. Her work has spanned antitrust, commercial, class action, environmental, healthcare, insurance, mass tort, product liability and reinsurance disputes. Peg has taken numerous cases to verdict/judgment before juries, judges and arbitration tribunals. Many of her cases have involved high-profile public policy issues from the Agent Orange litigation in the 1980s, environmental and Superfund litigation involving such notorious sites as Love Canal and the Hudson River in the 1990s, to sexual abuse, 9/11, antitrust, healthcare, ERISA and COVID-19 litigation in the 21st Century.
Read full biography: https://www.mwe.com/people/warner-margaret-h/
Credentials
Education
University of Notre Dame
J.D. · 1981
Recognition
Awards & honors
Best Lawyers in America — Commercial Litigation
2026
Best Lawyers in America — Insurance Law
2026
Best Lawyers in America — Litigation - Insurance
2026
Best Lawyers in America — Additional Areas of Practice:
2026
Best Lawyers in America — Litigation - Environmental
2026
Locations
Office locations
500 North Capitol Street, NW
Washington, District of Columbia 20001-1531
Open in Google MapsClient feedback
Client reviews
No reviews yet
Only verified clients who have consulted with Margaret H. "Peg" Warner can leave a review.
Schedule your consultationFrequently asked
Common questions
What areas of law does Margaret H. "Peg" Warner practice?
Margaret H. "Peg" Warner focuses on Business, Insurance, and Litigation.
Where is Margaret H. "Peg" Warner located?
Margaret H. "Peg" Warner primarily serves clients in Washington, District of Columbia, with an office at 500 North Capitol Street, NW.
Is Margaret H. "Peg" Warner a verified attorney?
Margaret H. "Peg" Warner's profile is listed but has not yet been claimed by the attorney. Verification status is pending.
How can I schedule a consultation with Margaret H. "Peg" Warner?
You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 202-756-8000.
More counsel
Other top-rated business attorneys in District of Columbia
Steven A Fredley
Washington, District of Columbia
5.0· 29
Bridget Michael Rohde
Washington, District of Columbia
5.0· 22
Cameron Hajaran Tousi
Washington, District of Columbia
5.0· 21
Joseph John Bottiglieri
Washington, District of Columbia
5.0· 20
Martin Jacobs
Washington, District of Columbia
5.0· 18
David Franklin Freeman, Jr.
Washington, District of Columbia
5.0· 16