Atty. William Thomas Ellis

Atty. William Thomas Ellis

William Thomas Ellis is a lawyer practicing general practice, insurance & reinsurance, insurance ip and 4 other areas of law. William received a B.S. degree from University of Illinois, and has been licensed for 51 years.

Washington Washington 51 yrs experience 51 year
Call (443) 909-4915 Book Appointment

Profile Summary

About William Thomas Ellis at a glance

William Thomas Ellis is a Partner based in Washington, District of Columbia, practicing at Foley & Lardner LLP. They have 51+ years of legal experience, licensed to practice since 1975. Their practice focuses on business, ip, and insurance. Admitted to practice in Virginia (1975), District of Columbia (1979), and New York U.S. Court of Claims U.S. Court of Appeals for the Federal Circuit U.S. Patent and Trademar (1987). Educated at Catholic University, Columbus School of Law J.D. (—) and University of Illinois B.S. Electrical Engineering University of Illinois B.S. Edmund James Scholar (—). Recognitions include AV Preeminent. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William Thomas Ellis is a lawyer practicing general practice, insurance & reinsurance, insurance ip and 4 other areas of law
  • William received a B.S. degree from University of Illinois, and has been licensed for 51 years
  • William practices at Foley & Lardner LLP in Washington, DC

Practice Areas Explained

William Thomas Ellis's Areas of Practice

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

Business & Corporate Law

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

William Thomas Ellis 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.

William Thomas Ellis is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in District of Columbia →

Insurance Law

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

William Thomas Ellis 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 William Thomas Ellis

Where is William Thomas Ellis's law office located?
William Thomas Ellis's law practice is located in Washington, District of Columbia. The firm is Foley & Lardner LLP. You can contact the office directly through this profile page.
What practice areas does William Thomas Ellis handle?
William Thomas Ellis focuses on business, ip, insurance. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has William Thomas Ellis practiced law?
William Thomas Ellis has 51+ years of legal experience and has been licensed since 1975.
Where did William Thomas Ellis go to law school?
William Thomas Ellis earned their education at (—); (—).
How can I contact William Thomas Ellis for a consultation?
You can contact William Thomas Ellis 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 William Thomas Ellis received?
William Thomas Ellis's notable recognition includes: AV Preeminent.

Education

Catholic University, Columbus School of Law J.D.
- In Progress
University of Illinois B.S. Electrical Engineering University of Illinois B.S. Edmund James Scholar
- In Progress

Awards

AV Preeminent

Bar Admissions

Virginia
Admitted: 1975
District of Columbia
Admitted: 1979
New York U.S. Court of Claims U.S. Court of Appeals for the Federal Circuit U.S. Patent and Trademar
Admitted: 1987

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