
Anthony J. Antonellis, Class Action Attorney in Boston, Massachusetts
Over 35 years of legal practice · focused on Class Action, Construction, and General · 5.0/5 rating from 2 verified client reviews
Senior PartneratSloane and Walsh, LLP
Boston, MA
Practicing class action in Boston since 1991.
- 35+
- Years practicing
- 5.0 ★
- 2 client reviews
- 1
- Bar admission
Are you Anthony J. Antonellis?
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Quick answer
Anthony J. Antonellis is a senior partner based in Boston, MA. The practice focuses on Class Action, Construction, and General. Anthony has over 35 years of legal experience. Currently practicing at Sloane and Walsh, LLP. Rated 5.0 out of 5 from 2 client reviews.
- Based in
- Boston, MA
- Experience
- over 35 years
- Known for
- Class Action · Construction · General
- Handles Class Action, Construction, and General matters from Boston, MA.
- Over 35 years of practice as a licensed attorney.
- Recognized with Peer Reviewed.
About Anthony J. Antonellis: Anthony J. Antonellis is a senior partner based in Boston, MA. The practice focuses on Class Action, Construction, and General. Anthony has over 35 years of legal experience. Currently practicing at Sloane and Walsh, LLP. Rated 5.0 out of 5 from 2 client reviews.
Areas of practice
Legal matters Anthony takes on
Anthony concentrates on class action, construction, general, insurance, and litigation. Each area below outlines the kind of case Anthony handles, typical outcomes to expect, and how the intake process starts.
Class Action
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Construction
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General
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Insurance
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Litigation
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Wrongful Death
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Business
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Personal Injury
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TBI/SCI
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Class Action cases in Boston, Massachusetts
Anthony takes class action matters in Boston, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Anthony agrees to represent you.
Construction cases in Boston, Massachusetts
Anthony takes construction matters in Boston, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Anthony agrees to represent you.
General cases in Boston, Massachusetts
Anthony takes general matters in Boston, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Anthony agrees to represent you.
Insurance cases in Boston, Massachusetts
Anthony takes insurance matters in Boston, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Anthony agrees to represent you.
Litigation cases in Boston, Massachusetts
Anthony takes litigation matters in Boston, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Anthony agrees to represent you.
Biography
Meet Anthony J. Antonellis — class action lawyer in Boston
Anthony J. Antonellis is a senior partner based in Boston, MA. The practice focuses on Class Action, Construction, and General. Anthony has over 35 years of legal experience. Currently practicing at Sloane and Walsh, LLP. Rated 5.0 out of 5 from 2 client reviews.
Anthony J. Antonellis is a lawyer practicing insurance dispute law, insurance coverage & bad faith, property insurance law, subrogation law and 7 other areas of law. Anthony J. received a B.A. degree from Wesleyan University, Middletown, Connecticut in 1986, and has been licensed for 35 years. Anthony J. practices at Sloane and Walsh, LLP in Boston, MA.
Working with Anthony on a class action matter
Anthony J. Antonellis is a lawyer practicing insurance dispute law, insurance coverage & bad faith, property insurance law, subrogation law and 7 other areas of law. Anthony J. received a B.A. degree from Wesleyan University, Middletown, Connecticut in 1986, and has been licensed for 35 years. Anthony J. practices at Sloane and Walsh, LLP in Boston, MA.
Who Anthony represents
Anthony reviews new inquiries case-by-case for class action, construction, and general matters in Boston and the surrounding Massachusetts area.
Credentials
Education, bar admissions, and languages
Suffolk University Law School, Boston, Massachusetts
J.D. · 1991
Wesleyan University, Middletown, Connecticut
B.A. · 1986
Jurisdictions
Anthony's state bar admissions
Massachusetts
1991 · ACTIVE
Anthony studied at J.D. in Suffolk University Law School, Boston, Massachusetts and B.A. in Wesleyan University, Middletown, Connecticut.
Law school and academic background
Anthony completed J.D. in Suffolk University Law School, Boston, Massachusetts and B.A. in Wesleyan University, Middletown, Connecticut. Formal legal training is one signal of substantive knowledge — the day-to-day practice Anthony runs in Massachusetts is where that training gets applied to real client questions.
Recognition
Recognition and thought leadership
Anthony has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
Peer Reviewed
Legal awards and honors
Peer Reviewed.
Locations
Anthony J. Antonellis's office in Boston
Anthony's primary office is at One Boston Place, 201 Washington Street, Suite 1600, Boston, MA, 02108. In-person meetings are by appointment; a phone intake usually comes first.
Sloane and Walsh, LLP
One Boston Place, 201 Washington Street, Suite 1600
Boston, MA 02108
Open in Google MapsClient feedback
Client reviews of Anthony J. Antonellis — 5.0/5 rating from 2 verified client reviews
Every review below is from a verified client of Anthony. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing class action attorneys in Boston.
5.0
2 client reviews
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Anthony J. Antonellis claims this profile.
Read all reviewsHiring guide
How to hire Anthony J. Antonellis — what to expect in your first consultation
Working with a new class action attorney should feel structured. Here's how the first two conversations with Anthony usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Anthony charges for the initial consult. That fee is credited toward representation if you retain Anthony's office.
What to bring to your first meeting
Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Anthony will tell you what matters and what doesn't.
Questions to ask a class action attorney in Boston, Massachusetts
A short list to run through before you commit: How many class action matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?
Fees & payment
Fees, payment methods, and consultation options for Anthony
Anthony discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in class action practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every class action matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Anthony confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Anthony's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many class action practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Anthony J. Antonellis
How much does it cost to hire Anthony for a class action case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Anthony walks through the likely range during the consult so there are no surprises.
Does Anthony offer a free consultation?
Anthony charges for the initial consult; that fee is credited toward representation if you retain Anthony's office. Some class action attorneys offer free consults — check Anthony's current terms during booking.
How long do class action cases in Massachusetts typically take?
Simple class action matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Anthony gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Anthony take my case if I'm outside Boston?
Anthony is licensed in Massachusetts. Matters governed by Massachusetts law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Anthony will tell you if the case is a fit or refer you to someone closer to your court.
What should I bring to my first meeting with Anthony?
Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Anthony will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Anthony accepting new class action clients right now?
Anthony's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Class Action attorneys serving Boston, Cambridge and Worcester in Massachusetts
Anthony handles class action matters throughout Massachusetts. Each city below is a direct link into the search page for verified class action attorneys in that community.
More counsel
Other top-rated class action attorneys in Massachusetts
If Anthony's intake is full or the fit isn't right, these class action attorneys in Boston handle similar matters. Every profile below is verified and open to consultations.

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