Maureen O'Sullivan, Citizenship Attorney in Boston, Massachusetts
Over 45 years of legal practice · focused on Citizenship and Immigration · 5.0/5 rating from 1 verified client review
MemberatKaplan, O'Sullivan & Friedman, LLP
Boston, MA
Practicing citizenship in Boston since 1981.
- 45+
- Years practicing
- 5.0 ★
- 1 client review
- 2
- Bar admissions
Practices in
Are you Maureen O'Sullivan?
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Quick answer
Maureen O'Sullivan is a member based in Boston, MA. The practice focuses on Citizenship and Immigration. Maureen has over 45 years of legal experience. Currently practicing at Kaplan, O'Sullivan & Friedman, LLP. Rated 5.0 out of 5 from 1 client review.
- Based in
- Boston, MA
- Experience
- over 45 years
- Known for
- Citizenship · Immigration
- Handles Citizenship and Immigration matters from Boston, MA.
- Over 45 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Maureen O'Sullivan: Maureen O'Sullivan is a member based in Boston, MA. The practice focuses on Citizenship and Immigration. Maureen has over 45 years of legal experience. Currently practicing at Kaplan, O'Sullivan & Friedman, LLP. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Legal matters Maureen takes on
Maureen concentrates on citizenship and immigration. Each area below outlines the kind of case Maureen handles, typical outcomes to expect, and how the intake process starts.
Citizenship cases in Boston, Massachusetts
Maureen takes citizenship 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 Maureen agrees to represent you.
Immigration cases in Boston, Massachusetts
Maureen takes immigration 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 Maureen agrees to represent you.
Biography
Meet Maureen O'Sullivan — citizenship lawyer in Boston
Maureen O'Sullivan is a member based in Boston, MA. The practice focuses on Citizenship and Immigration. Maureen has over 45 years of legal experience. Currently practicing at Kaplan, O'Sullivan & Friedman, LLP. Rated 5.0 out of 5 from 1 client review.
Maureen O'Sullivan is a lawyer practicing immigration and naturalization. Maureen received a B.A. degree from University of California at Los Angeles in 1978, and has been licensed for 45 years. Maureen practices at Kaplan, O'Sullivan & Friedman, LLP in Boston, MA.
How Maureen handles citizenship matters
Maureen O'Sullivan is a lawyer practicing immigration and naturalization. Maureen received a B.A. degree from University of California at Los Angeles in 1978, and has been licensed for 45 years. Maureen practices at Kaplan, O'Sullivan & Friedman, LLP in Boston, MA.
The kind of cases Maureen takes
Maureen reviews new inquiries case-by-case for citizenship and immigration matters in Boston and the surrounding Massachusetts area.
Credentials
Education, bar admissions, and languages
Antioch College School of Law
J.D. Harvard · 1981
University of California at Los Angeles
B.A. Political · 1978
Jurisdictions
Maureen's state bar admissions
California
1982 · ACTIVE
Massachusetts
1981 · ACTIVE
Maureen studied at J.D. Harvard in Antioch College School of Law and B.A. Political in University of California at Los Angeles.
Law school and academic background
Maureen completed J.D. Harvard in Antioch College School of Law and B.A. Political in University of California at Los Angeles. Formal legal training is one signal of substantive knowledge — the day-to-day practice Maureen runs in Massachusetts is where that training gets applied to real client questions.
Recognition
Recognition and thought leadership
Maureen has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Affiliations
Maureen's professional memberships and bar associations
Massachusetts Bar Association American Immigration Lawyers Association
Officer, New England Chapter, Secretary, 1990-1991 Vice-Chair, 1991-1992 Chair, 1993-1994 · membership
Locations
Maureen O'Sullivan's office in Boston
Maureen's primary office is at Ten Winthrop Square • Third Floor, Boston, MA, 02110. In-person meetings are by appointment; a phone intake usually comes first.
Kaplan, O'Sullivan & Friedman, LLP
Ten Winthrop Square • Third Floor
Boston, MA 02110
Open in Google MapsClient feedback
Client reviews of Maureen O'Sullivan — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of Maureen. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing citizenship attorneys in Boston.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Maureen O'Sullivan claims this profile.
Read all reviewsHiring guide
How to hire Maureen O'Sullivan — what to expect in your first consultation
Working with a new citizenship attorney should feel structured. Here's how the first two conversations with Maureen usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Maureen charges for the initial consult. That fee is credited toward representation if you retain Maureen'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; Maureen will tell you what matters and what doesn't.
Questions to ask a citizenship attorney in Boston, Massachusetts
A short list to run through before you commit: How many citizenship 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 Maureen
Maureen discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in citizenship practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every citizenship 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. Maureen confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Maureen's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many citizenship practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Maureen O'Sullivan
How much does it cost to hire Maureen for a citizenship case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Maureen walks through the likely range during the consult so there are no surprises.
Does Maureen offer a free consultation?
Maureen charges for the initial consult; that fee is credited toward representation if you retain Maureen's office. Some citizenship attorneys offer free consults — check Maureen's current terms during booking.
How long do citizenship cases in Massachusetts typically take?
Simple citizenship 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. Maureen gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Maureen take my case if I'm outside Boston?
Maureen 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 — Maureen 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 Maureen?
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. Maureen will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Maureen accepting new citizenship clients right now?
Maureen's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Citizenship attorneys serving Boston, Cambridge and Worcester in Massachusetts
Maureen handles citizenship matters throughout Massachusetts. Each city below is a direct link into the search page for verified citizenship attorneys in that community.
More counsel
Other top-rated citizenship attorneys in Massachusetts
If Maureen's intake is full or the fit isn't right, these citizenship attorneys in Boston handle similar matters. Every profile below is verified and open to consultations.





