Atty. Michael S. Antonellis

Atty. Michael S. Antonellis

Michael S. Antonellis is a lawyer practicing insurance dispute law, insurance coverage & bad faith, property insurance law, subrogation law and 9 other areas of law.

Boston Boston 31 yrs experience 31 year
Call (857) 416-9478 Book Appointment

Profile Summary

About Michael S. Antonellis at a glance

Michael S. Antonellis is a Partner based in Boston, Massachusetts, practicing at Sloane and Walsh, LLP. They have 31+ years of legal experience, licensed to practice since 1995. Their practice focuses on class action, construction, product liability, litigation, and environmental. Educated at Suffolk University Law School (J.D., 1994) and United States Merchant Marine Academy (B.S. Marine, 1987). Active member of Professional Activities •Connecticut Bar Association •CBA Insurance Law Section •Massachusetts Bar Association. Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Michael S. Antonellis is a lawyer practicing insurance dispute law, insurance coverage & bad faith, property insurance law, subrogation law and 9 other areas of law
  • Michael S. received a B.S. degree from United States Merchant Marine Academy in 1987, and has been licensed for 31 years
  • Michael S. practices at Sloane and Walsh, LLP in Boston, MA

Practice Areas Explained

Michael S. Antonellis's Areas of Practice

Each practice area below reflects the types of cases Michael S. Antonellis handles, with a brief overview of what that area of law covers.

Class Action

Michael S. Antonellis is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Massachusetts →

Construction Law

Michael S. Antonellis is one of 40,689 construction attorneys indexed nationally. Browse construction attorneys in Massachusetts →

Product Liability

Michael S. Antonellis is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in Massachusetts →

Civil Litigation

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

Michael S. Antonellis is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Massachusetts →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Michael S. Antonellis is one of 56,434 environmental attorneys indexed nationally. Browse environmental 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 Michael S. Antonellis

Where is Michael S. Antonellis's law office located?
Michael S. Antonellis's law practice is located in Boston, Massachusetts. The firm is Sloane and Walsh, LLP. You can contact the office directly through this profile page.
What practice areas does Michael S. Antonellis handle?
Michael S. Antonellis focuses on class action, construction, product liability, litigation, environmental. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has Michael S. Antonellis practiced law?
Michael S. Antonellis has 31+ years of legal experience and has been licensed since 1995.
Where did Michael S. Antonellis go to law school?
Michael S. Antonellis earned their education at (J.D., 1994); (B.S. Marine, 1987).
How can I contact Michael S. Antonellis for a consultation?
You can contact Michael S. Antonellis 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.
Suffolk University Law School
- 1994
B.S. Marine
United States Merchant Marine Academy
- 1987

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