Atty. Douglas H. Olin

Atty. Douglas H. Olin

Douglas H. Olin is a Principal in Cummings & Lockwood's Private Clients Group and is based in the Greenwich office.

Greenwich Greenwich 32 yrs experience 32 year
Call (203) 863-6504 Email Book Appointment

Profile Summary

About Douglas H. Olin at a glance

Douglas H. Olin is a Principal based in Greenwich, Connecticut, practicing at Cummings & Lockwood LLC. They have 32+ years of legal experience, licensed to practice since 1994. Their practice focuses on trusts, probate, family law, estate planning, and business. Admitted to practice in New York (1994) and Connecticut (1994). Educated at New York University School of Law (LL.M. Taxation, 1995) and Emory University (B.B.A., 1990). Active member of Professional Organizations •Connecticut Bar Association •New York Bar Association •Estate Planning Council of Lower Fairfield County •Greenwich Bar Association. Serands clients in Greenwich, CT and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Douglas H. Olin is a Principal in Cummings & Lockwood's Private Clients Group and is based in the Greenwich office
  • Doug joined Cummings & Lockwood in 1999 and became a Principal in 2001
  • His practice focuses on estate planning, family business succession planning, and estate and trust administration
  • Doug speaks frequently on estate and tax planning topics before both lawyer and non-lawyer audiences
  • Professional Recognition •Chambers and Partners, High Net Worth Guide, Notable Practitioner, 2016 - Present •The Best Lawyers in America, 2010 - Present •Fairfield County Business Journal, '40 Under 40' Award, 2006 Articles/Publications/Presentations •10 Strategies for Passing on Retirement Assets When Your Clients Pass On •Drafting Wills in Connecticut, 3rd Edition, (2019-2020) co-author, Thomson Reuters Books & Guides •Drafting Wills in Connecticut, 2019-2020 ed. News & Press Releases • 29 Cummings & Lockwood Attorneys Named Best Lawyers in Connecticut for 2023 • Greenwich Office - 2023 Best Lawyers in America and Ones to Watch • Cummings & Lockwood Garners the Top Spot in Private Wealth Law and Private Wealth Disputes in Connecticut in the Chambers 2021 High Net Worth Guide • 18 Cummings & Lockwood Attorneys Named Top Lawyers in Fairfield County, Connecticut in 2021 • 35 Cummings & Lockwood Attorneys in Connecticut and Florida Have Been Named Among The Best Lawyers in America for 2021, 2 Attorneys Received Lawyer of the Year Awards and 8 Attorneys Have Been Identified as the Ones to Watch • Cummings & Lockwood Garners the Top Spot in Private Wealth Law in Connecticut in the 2020 High Net Worth Guide • 24 Cummings & Lockwood Attorneys Named in the 2020 Edition of Connecticut’s Best Lawyers • 34 Cummings & Lockwood Attorneys in Connecticut and Florida Named Among The Best Lawyers in America for 2020 • Cummings & Lockwood Garners the Top Spot in Private Wealth Law in the 2019 Chambers High Net Worth Guide • Cummings & Lockwood Successfully Represents 9/11 Widow in Connecticut Supreme Court • Cummings & Lockwood Attorneys in Connecticut and Florida Named 2019 Best Lawyers in America • Cummings & Lockwood Recognized As One of the Leading Trusts and Estates Practices in Connecticut by Chambers & Partners • 32 Cummings & Lockwood LLC Attorneys Named to 2018 Best Lawyers List • Cummings & Lockwood Recognized As One of the Leading Trusts and Estates Practices in Connecticut by Chambers & Partners • 21 Cummings & Lockwood Attorneys in Connecticut and Florida Named 2017 Best Lawyers in America • Cummings & Lockwood Recognized As One of the Leading Trusts and Estates Practices in Connecticut by Chambers • Cummings & Lockwood Attorneys in Connecticut and Florida Named The Best Lawyers in America for 2016 • Cummings & Lockwood Attorneys in Connecticut and Florida Named The Best Lawyers in America for 2015 Videos • Grantor Retained Annuity Trusts • Estate Planning and Qualified Small Business Stock • 10 Strategies for Passing on Retirement Assets When Your Clients Pass On

Practice Areas Explained

Douglas H. Olin's Areas of Practice

Each practice area below reflects the types of cases Douglas H. Olin handles, with a brief overview of what that area of law covers.

Trusts

Douglas H. Olin is one of 104,172 trusts attorneys indexed nationally. Browse trusts attorneys in Connecticut →

Probate

Douglas H. Olin is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Connecticut →

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Douglas H. Olin is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in Connecticut →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Douglas H. Olin is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in Connecticut →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Douglas H. Olin is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Connecticut →

Jurisdictional Context

Why local counsel matters in Connecticut

Practicing law in Connecticut. Legal matters in Connecticut are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Greenwich are typically filed in the local municipal court or the appropriate Connecticut state district court, depending on subject matter and amount in controversy. An attorney licensed in Connecticut 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 Connecticut courts without local counsel or pro hac vice admission.

Looking for additional Connecticut attorneys? Browse all attorneys in Greenwich or all attorneys in Connecticut.

Frequently Asked

Common questions about Douglas H. Olin

Where is Douglas H. Olin's law office located?
Douglas H. Olin's law practice is located in Greenwich, Connecticut. The firm is Cummings & Lockwood LLC. You can contact the office directly through this profile page.
What practice areas does Douglas H. Olin handle?
Douglas H. Olin focuses on trusts, probate, family law, estate planning, business. Each practice area listed reflects experience handling cases of that type in Connecticut.
How long has Douglas H. Olin practiced law?
Douglas H. Olin has 32+ years of legal experience and has been licensed since 1994.
Where did Douglas H. Olin go to law school?
Douglas H. Olin earned their education at (LL.M. Taxation, 1995); (B.B.A., 1990).
How can I contact Douglas H. Olin for a consultation?
You can contact Douglas H. Olin 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

LL.M. Taxation
New York University School of Law
- 1995
B.B.A.
Emory University
- 1990

Bar Admissions

New York
Admitted: 1994
Connecticut
Admitted: 1994

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