Diane M. O'Leary

Diane M. O'Leary, Family Law Attorney in Poughkeepsie, New York

Over 42 years of legal practice · focused on Family Law and Litigation · 4.7/5 rating from 10 verified client reviews

MemberatOstertag O'Leary Barrett & Faulkner

Poughkeepsie, NY

Practicing family law in Poughkeepsie since 1984.

42+
Years practicing
4.7 ★
10 client reviews
4
Bar admissions

Are you Diane M. O'Leary?

This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.

Claim this profile — free

Quick answer

Diane M. O'Leary is a member based in Poughkeepsie, NY. The practice focuses on Family Law and Litigation. Diane has over 42 years of legal experience. Currently practicing at Ostertag O'Leary Barrett & Faulkner. Rated 4.7 out of 5 from 10 client reviews.

Based in
Poughkeepsie, NY
Experience
over 42 years
Known for
Family Law · Litigation
  • Handles Family Law and Litigation matters from Poughkeepsie, NY.
  • Over 42 years of practice as a licensed attorney.
  • Recognized with AV Preeminent.

About Diane M. O'Leary: Diane M. O'Leary is a member based in Poughkeepsie, NY. The practice focuses on Family Law and Litigation. Diane has over 42 years of legal experience. Currently practicing at Ostertag O'Leary Barrett & Faulkner. Rated 4.7 out of 5 from 10 client reviews.

Areas of practice

Diane's practice areas in Poughkeepsie

Diane concentrates on family law and litigation. Each area below outlines the kind of case Diane handles, typical outcomes to expect, and how the intake process starts.

Family Law cases in Poughkeepsie, New York

Diane takes family law matters in Poughkeepsie, New York. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Diane agrees to represent you.

Litigation cases in Poughkeepsie, New York

Diane takes litigation matters in Poughkeepsie, New York. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Diane agrees to represent you.

Biography

Diane M. O'Leary, family law attorney serving Poughkeepsie

Diane M. O'Leary is a member based in Poughkeepsie, NY. The practice focuses on Family Law and Litigation. Diane has over 42 years of legal experience. Currently practicing at Ostertag O'Leary Barrett & Faulkner. Rated 4.7 out of 5 from 10 client reviews. Diane works from Poughkeepsie, New York and takes on family law matters across the region.

Recipient, New York State Bar Association "Outstanding Young Lawyer" Award for 1989. Adjunct Instructor, Paralegal Studies, Marist College, Poughkeepsie, New York, 1986-1990. Member, Marist College Paralegal Advisory Board, 1986—. Vassar-Warner Home, Board of Trustees, 1989-1998. President, 1996-1998. Vassar Warner Home Foundation, 2000-2001. Member, Dutchess County Community Alternative Systems Agency, Advisory Board, 1991-1994. Member, United Way Admissions & Grants Committee, 1992-1997. Member, Dutchess County Women's Action Coalition, 1996-2000. Member, Arlington Rotary Club, 2006—. Delegate to Women's Bar Association of the State of New York, 1989-1990, 1991-1992. Delegate to New York State Bar Association's House of Delegates, 1995-1999, 2002-2005.

Working with Diane on a family law matter

Recipient, New York State Bar Association "Outstanding Young Lawyer" Award for 1989. Adjunct Instructor, Paralegal Studies, Marist College, Poughkeepsie, New York, 1986-1990. Member, Marist College Paralegal Advisory Board, 1986—. Vassar-Warner Home, Board of Trustees, 1989-1998. President, 1996-1998. Vassar Warner Home Foundation, 2000-2001. Member, Dutchess County Community Alternative Systems…

Clients Diane works with

Diane reviews new inquiries case-by-case for family law and litigation matters in Poughkeepsie and the surrounding New York area.

Credentials

Credentials — where Diane studied and practices

  • Brooklyn Law School J.D.

  • Douglass College of Rutgers University

    B.A. Marist · 1966

Jurisdictions

Diane's state bar admissions

  • U.S. Supreme Court

    1989 · ACTIVE

  • U.S. District Court,

    1988 · ACTIVE

  • U.S. District Court,

    1988 · ACTIVE

  • New York

    1984 · ACTIVE

Diane studied at — in Brooklyn Law School J.D. and B.A. Marist in Douglass College of Rutgers University.

Law school and academic background

Diane completed — in Brooklyn Law School J.D. and B.A. Marist in Douglass College of Rutgers University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Diane runs in New York is where that training gets applied to real client questions.

Recognition

Diane's legal honors and published work

Diane has received 1 formal recognition from bar associations, industry bodies, and peer-review services.

  • AV Preeminent

Legal awards and honors

AV Preeminent.

Locations

Diane M. O'Leary's office in Poughkeepsie

Diane's primary office is at 301 Manchester Road, Suite 201, Poughkeepsie, NY, 12603. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Ostertag O'Leary Barrett & Faulkner

301 Manchester Road, Suite 201

Poughkeepsie, NY 12603

Open in Google Maps

Client feedback

Client reviews of Diane M. O'Leary — 4.7/5 rating from 10 verified client reviews

Every review below is from a verified client of Diane. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing family law attorneys in Poughkeepsie.

4.7

10 client reviews

Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Diane M. O'Leary claims this profile.

Read all reviews

Hiring guide

How to hire Diane M. O'Leary — what to expect in your first consultation

Working with a new family law attorney should feel structured. Here's how the first two conversations with Diane usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

Diane charges for the initial consult. That fee is credited toward representation if you retain Diane'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; Diane will tell you what matters and what doesn't.

Questions to ask a family law attorney in Poughkeepsie, New York

A short list to run through before you commit: How many family law 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 Diane

Diane discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in family law practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every family law 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. Diane confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Diane's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many family law practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about Diane M. O'Leary

  • How much does it cost to hire Diane for a family law case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Diane walks through the likely range during the consult so there are no surprises.

  • Does Diane offer a free consultation?

    Diane charges for the initial consult; that fee is credited toward representation if you retain Diane's office. Some family law attorneys offer free consults — check Diane's current terms during booking.

  • How long do family law cases in New York typically take?

    Simple family law 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. Diane gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Diane take my case if I'm outside Poughkeepsie?

    Diane is licensed in New York. Matters governed by New York law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Diane 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 Diane?

    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. Diane will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Diane accepting new family law clients right now?

    Diane's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.

Areas served

Family Law attorneys serving Poughkeepsie and Albany in New York

Diane handles family law matters throughout New York. Each city below is a direct link into the search page for verified family law attorneys in that community.

More counsel

If Diane's intake is full or the fit isn't right, these family law attorneys in Poughkeepsie handle similar matters. Every profile below is verified and open to consultations.