Atty. Dennis Patrick O'Leary

Atty. Dennis Patrick O'Leary

Dennis Patrick O'Leary is a lawyer. Dennis has been licensed for 28 years.

Boston Boston 28 yrs experience 28 year
Call (857) 416-9478 Book Appointment

Profile Summary

About Dennis Patrick O'Leary at a glance

Dennis Patrick O'Leary is an attorney based in Boston, Massachusetts. They have 28+ years of legal experience, licensed to practice since 1998. Admitted to practice in Massachusetts (1998). Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Dennis Patrick O'Leary is a lawyer
  • Dennis has been licensed for 28 years
  • Dennis practices in Boston, MA

Jurisdictional Context

Why local counsel matters in Massachusetts

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

Looking for additional Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.

Frequently Asked

Common questions about Dennis Patrick O'Leary

Where is Dennis Patrick O'Leary's law office located?
Dennis Patrick O'Leary's law practice is located in Boston, Massachusetts. You can contact the office directly through this profile page.
How long has Dennis Patrick O'Leary practiced law?
Dennis Patrick O'Leary has 28+ years of legal experience and has been licensed since 1998.
How can I contact Dennis Patrick O'Leary for a consultation?
You can contact Dennis Patrick O'Leary 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.

Bar Admissions

Massachusetts
Admitted: 1998

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