Atty. Marcia McCarthy Dillon

Atty. Marcia McCarthy Dillon

Marcia McCarthy Dillon is a lawyer practicing intellectual property, patent litigation. Marcia McCarthy received a B.A. degree from University of Virginia in 1990, and has been licensed for 30 years.

Washington Washington 30 yrs experience 30 year
Call (771) 202-7445 Book Appointment

Profile Summary

About Marcia McCarthy Dillon at a glance

Marcia McCarthy Dillon is a Staff Attorney based in Washington, District of Columbia, practicing at Mayer Brown Llp. They have 30+ years of legal experience, licensed to practice since 1996. Their practice focuses on patent and ip. Admitted to practice in Virginia (1996) and District of Columbia US District Court for the Eastern District of Virginia (1998). Educated at University of Richmond, T.C. Williams School of Law (J.D., 1994) and University of Virginia (B.A. History, 1990). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Marcia McCarthy Dillon is a lawyer practicing intellectual property, patent litigation
  • Marcia McCarthy received a B.A. degree from University of Virginia in 1990, and has been licensed for 30 years
  • Marcia McCarthy practices at Mayer Brown LLP in Washington, DC

Practice Areas Explained

Marcia McCarthy Dillon's Areas of Practice

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

Patent Law

Marcia McCarthy Dillon is one of 20,749 patent attorneys indexed nationally. Browse patent 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.

Marcia McCarthy Dillon is one of 106,079 ip attorneys indexed nationally. Browse ip 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 Marcia McCarthy Dillon

Where is Marcia McCarthy Dillon's law office located?
Marcia McCarthy Dillon's law practice is located in Washington, District of Columbia. The firm is Mayer Brown Llp. You can contact the office directly through this profile page.
What practice areas does Marcia McCarthy Dillon handle?
Marcia McCarthy Dillon focuses on patent, ip. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Marcia McCarthy Dillon practiced law?
Marcia McCarthy Dillon has 30+ years of legal experience and has been licensed since 1996.
Where did Marcia McCarthy Dillon go to law school?
Marcia McCarthy Dillon earned their education at (J.D., 1994); (B.A. History, 1990).
How can I contact Marcia McCarthy Dillon for a consultation?
You can contact Marcia McCarthy Dillon 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.

Education

J.D.
University of Richmond, T.C. Williams School of Law
- 1994
B.A. History
University of Virginia
- 1990

Bar Admissions

Virginia
Admitted: 1996
District of Columbia US District Court for the Eastern District of Virginia
Admitted: 1998

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