Atty. Sean Patrick O'Leary

Atty. Sean Patrick O'Leary

Sean Patrick O'Leary is a lawyer practicing business, domestic relations, civil litigation. Sean received a B.A. degree from Gettysburg College in 1990, and has been licensed for 30 years.

North Andover North Andover 30 yrs experience 30 year
Call (978) 509-0013 Book Appointment

Profile Summary

About Sean Patrick O'Leary at a glance

Sean Patrick O'Leary is a Member based in North Andover, Massachusetts, practicing at Shaheen Guerrera & O'Leary, LLC. They have 30+ years of legal experience, licensed to practice since 1996. Their practice focuses on family law, business, and litigation. Admitted to practice in Massachusetts (1996), New Hampshire (1996), and U.S. District Court, District of Massachusetts, U.S. District Court, District of New Hampshire and U (1996). Educated at Massachusetts School of Law (J.D., 1995) and Gettysburg College (B.A., 1990). Recognitions include BV Distinguished. Active member of Essex County and New Hampshire Bar Associations. Serands clients in North Andover, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sean Patrick O'Leary is a lawyer practicing business, domestic relations, civil litigation
  • Sean received a B.A. degree from Gettysburg College in 1990, and has been licensed for 30 years
  • Sean practices at Shaheen Guerrera & O'Leary, LLC in North Andover, MA

Practice Areas Explained

Sean Patrick O'Leary's Areas of Practice

Each practice area below reflects the types of cases Sean Patrick O'Leary handles, with a brief overview of what that area of law covers.

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Sean Patrick O'Leary is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in Massachusetts →

Business & Corporate Law

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

Sean Patrick O'Leary is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Massachusetts →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Sean Patrick O'Leary is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Massachusetts →

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 North Andover 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 North Andover or all attorneys in Massachusetts.

Frequently Asked

Common questions about Sean Patrick O'Leary

Where is Sean Patrick O'Leary's law office located?
Sean Patrick O'Leary's law practice is located in North Andover, Massachusetts. The firm is Shaheen Guerrera & O'Leary, LLC. You can contact the office directly through this profile page.
What practice areas does Sean Patrick O'Leary handle?
Sean Patrick O'Leary focuses on family law, business, litigation. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has Sean Patrick O'Leary practiced law?
Sean Patrick O'Leary has 30+ years of legal experience and has been licensed since 1996.
Where did Sean Patrick O'Leary go to law school?
Sean Patrick O'Leary earned their education at (J.D., 1995); (B.A., 1990).
How can I contact Sean Patrick O'Leary for a consultation?
You can contact Sean 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.
What awards or recognition has Sean Patrick O'Leary received?
Sean Patrick O'Leary's notable recognition includes: BV Distinguished.

Education

J.D.
Massachusetts School of Law
- 1995
B.A.
Gettysburg College
- 1990

Awards

BV Distinguished

Bar Admissions

Massachusetts
Admitted: 1996
New Hampshire
Admitted: 1996
U.S. District Court, District of Massachusetts, U.S. District Court, District of New Hampshire and U
Admitted: 1996

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