Atty. Margaret H Warner

Atty. Margaret H Warner

Margaret H Warner is a lawyer practicing intellectual property, appellate, captive insurance and reinsurance and 4 other areas of law. Margaret received a B.A. degree from St.

Washington Washington 45 yrs experience 45 year
Call (771) 223-2304 Book Appointment

Profile Summary

About Margaret H Warner at a glance

Margaret H Warner is a Partner based in Washington, District of Columbia, practicing at Mcdermott Will And Emery Llp. They have 45+ years of legal experience, licensed to practice since 1981. Their practice focuses on personal injury, business, ip, litigation, and insurance. Admitted to practice in District of Columbia (1981) and U.S. Supreme Court (1981). Educated at University of Notre Dame Law School (J.D., 1981) and St. Lawrence University (B.A., 1978). Recognitions include AV Preeminent. Active member of Bar Association of the District of Columbia. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Margaret H Warner is a lawyer practicing intellectual property, appellate, captive insurance and reinsurance and 4 other areas of law
  • Margaret received a B.A. degree from St. Lawrence University in 1978, and has been licensed for 45 years
  • Margaret practices at McDermott Will & Emery LLP in Washington, DC

Practice Areas Explained

Margaret H Warner's Areas of Practice

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

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Margaret H Warner is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in District of Columbia →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Margaret H Warner is one of 501,317 business attorneys indexed nationally. Browse business attorneys in District of Columbia →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Margaret H Warner is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in District of Columbia →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Margaret H Warner is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

Margaret H Warner is one of 121,912 insurance attorneys indexed nationally. Browse insurance 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 Margaret H Warner

Where is Margaret H Warner's law office located?
Margaret H Warner's law practice is located in Washington, District of Columbia. The firm is Mcdermott Will And Emery Llp. You can contact the office directly through this profile page.
What practice areas does Margaret H Warner handle?
Margaret H Warner focuses on personal injury, business, ip, litigation, insurance. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Margaret H Warner practiced law?
Margaret H Warner has 45+ years of legal experience and has been licensed since 1981.
Where did Margaret H Warner go to law school?
Margaret H Warner earned their education at (J.D., 1981); (B.A., 1978).
How can I contact Margaret H Warner for a consultation?
You can contact Margaret H Warner 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 Margaret H Warner received?
Margaret H Warner's notable recognition includes: AV Preeminent.

Education

J.D.
University of Notre Dame Law School
- 1981
B.A.
St. Lawrence University
- 1978

Awards

AV Preeminent

Bar Admissions

District of Columbia
Admitted: 1981
U.S. Supreme Court
Admitted: 1981

Reviews

5.0
1 Review
5 0
4 0
3 0
2 0
1 0
These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.