Atty. David Sean McMahon

Atty. David Sean McMahon

David Sean McMahon is a lawyer practicing civil litigation. David received a A.B. degree from Fairfield University in 1989, and has been licensed for 32 years.

Boston Boston 32 yrs experience 32 year
Call (857) 416-2876 Book Appointment

Profile Summary

About David Sean McMahon at a glance

David Sean McMahon is an Of Counsel based in Boston, Massachusetts, practicing at Myers Lafferty Law Offices A Professional Corporation. They have 32+ years of legal experience, licensed to practice since 1994. Their practice focuses on litigation. Admitted to practice in Massachusetts (1994) and U.S. District Court, District of Massachusetts (1995). Educated at New England School of Law (J.D., 1994) and Fairfield University (A.B., 1989). Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David Sean McMahon is a lawyer practicing civil litigation
  • David received a A.B. degree from Fairfield University in 1989, and has been licensed for 32 years
  • David practices at Myers Lafferty Law Offices A Professional Corporation in Boston, MA

Practice Areas Explained

David Sean McMahon's Areas of Practice

Each practice area below reflects the types of cases David Sean McMahon handles, with a brief overview of what that area of law covers.

Civil Litigation

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

David Sean McMahon 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 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 David Sean McMahon

Where is David Sean McMahon's law office located?
David Sean McMahon's law practice is located in Boston, Massachusetts. The firm is Myers Lafferty Law Offices A Professional Corporation. You can contact the office directly through this profile page.
What practice areas does David Sean McMahon handle?
David Sean McMahon focuses on litigation. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has David Sean McMahon practiced law?
David Sean McMahon has 32+ years of legal experience and has been licensed since 1994.
Where did David Sean McMahon go to law school?
David Sean McMahon earned their education at (J.D., 1994); (A.B., 1989).
How can I contact David Sean McMahon for a consultation?
You can contact David Sean McMahon 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

J.D.
New England School of Law
- 1994
A.B.
Fairfield University
- 1989

Bar Admissions

Massachusetts
Admitted: 1994
U.S. District Court, District of Massachusetts
Admitted: 1995

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