Atty. John Joseph McCarthy

Atty. John Joseph McCarthy

John Joseph McCarthy is a lawyer practicing criminal law & practice. John received a B.A. degree from Catholic University of America, and has been licensed for 47 years.

Rockville Rockville 47 yrs experience 47 year
Call (443) 656-9073 Book Appointment

Profile Summary

About John Joseph McCarthy at a glance

John Joseph McCarthy is a Sr. State's Atty. based in Rockville, Maryland. They have 47+ years of legal experience, licensed to practice since 1979. Their practice focuses on criminal defense. Admitted to practice in Maryland (1979). Educated at University of Baltimore J.D. (—) and Catholic University of America B.A. (—). Serands clients in Rockville, MD and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Joseph McCarthy is a lawyer practicing criminal law & practice
  • John received a B.A. degree from Catholic University of America, and has been licensed for 47 years
  • John practices in Rockville, MD

Practice Areas Explained

John Joseph McCarthy's Areas of Practice

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

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

John Joseph McCarthy is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Maryland →

Jurisdictional Context

Why local counsel matters in Maryland

Practicing law in Maryland. Legal matters in Maryland are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Rockville are typically filed in the local municipal court or the appropriate Maryland state district court, depending on subject matter and amount in controversy. An attorney licensed in Maryland 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 Maryland courts without local counsel or pro hac vice admission.

Looking for additional Maryland attorneys? Browse all attorneys in Rockville or all attorneys in Maryland.

Frequently Asked

Common questions about John Joseph McCarthy

Where is John Joseph McCarthy's law office located?
John Joseph McCarthy's law practice is located in Rockville, Maryland. You can contact the office directly through this profile page.
What practice areas does John Joseph McCarthy handle?
John Joseph McCarthy focuses on criminal defense. Each practice area listed reflects experience handling cases of that type in Maryland.
How long has John Joseph McCarthy practiced law?
John Joseph McCarthy has 47+ years of legal experience and has been licensed since 1979.
Where did John Joseph McCarthy go to law school?
John Joseph McCarthy earned their education at (—); (—).
How can I contact John Joseph McCarthy for a consultation?
You can contact John Joseph McCarthy 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.

Practice Areas

Education

University of Baltimore J.D.
- In Progress
Catholic University of America B.A.
- In Progress

Bar Admissions

Maryland
Admitted: 1979

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