Atty. William Dean Coston

Atty. William Dean Coston

Mr. William Dean Coston is a lawyer practicing corporate governance and investigations, intellectual property, intellectual property litigation and 12 other areas of law.

Washington Washington 50 yrs experience 50 year
Call (443) 909-4915 Book Appointment

Profile Summary

About William Dean Coston at a glance

William Dean Coston is a Partner based in Washington, District of Columbia, practicing at Venable Llp. They have 50+ years of legal experience, licensed to practice since 1976. Their practice focuses on patent, trademark, business, ip, and class action. Admitted to practice in Massachusetts District of Columbia Court of Appeals U.S. Supreme Court U.S. Court of Appeals for the (1976) and District of Columbia U.S. Court of Appeals for the Fourth Circuit U.S. Court of Appeals for the Sixt (1979). Educated at Harvard Law School (J.D., 1975) and University of Michigan (B.A., 1972). Recognitions include AV Preeminent. Active member of Memberships American Bar Association. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. William Dean Coston is a lawyer practicing corporate governance and investigations, intellectual property, intellectual property litigation and 12 other areas of law
  • William received a B.A. degree from University of Michigan in 1972, and has been licensed for 50 years
  • William practices at Venable LLP in Washington, DC

Practice Areas Explained

William Dean Coston's Areas of Practice

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

Patent Law

William Dean Coston is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in District of Columbia →

Trademark Law

William Dean Coston is one of 23,222 trademark attorneys indexed nationally. Browse trademark 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.

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

Class Action

William Dean Coston is one of 26,424 class action attorneys indexed nationally. Browse class action 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 Dean Coston

Where is William Dean Coston's law office located?
William Dean Coston's law practice is located in Washington, District of Columbia. The firm is Venable Llp. You can contact the office directly through this profile page.
What practice areas does William Dean Coston handle?
William Dean Coston focuses on patent, trademark, business, ip, class action. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has William Dean Coston practiced law?
William Dean Coston has 50+ years of legal experience and has been licensed since 1976.
Where did William Dean Coston go to law school?
William Dean Coston earned their education at (J.D., 1975); (B.A., 1972).
How can I contact William Dean Coston for a consultation?
You can contact William Dean Coston 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 Dean Coston received?
William Dean Coston's notable recognition includes: AV Preeminent.

Education

J.D.
Harvard Law School
- 1975
B.A.
University of Michigan
- 1972

Awards

AV Preeminent

Bar Admissions

Massachusetts District of Columbia Court of Appeals U.S. Supreme Court U.S. Court of Appeals for the
Admitted: 1976
District of Columbia U.S. Court of Appeals for the Fourth Circuit U.S. Court of Appeals for the Sixt
Admitted: 1979

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