Leo P. Hainline – Duffy & Sweeney, A Division of Stevens & Lee

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Leo P. Hainline

Associate

Practice Areas

Overview

Education & Admissions

Overview

Leo is a member of the Litigation Group and assists with a range of trial, discovery and research matters.

Education & Admissions

Education

Vanderbilt University School of Law, J.D.
Providence College, B.A., summa cum laude

Bar

Rhode Island

Recent News

Lawyer of Year, Best Lawyers and Ones to Watch for 2026

August 26, 2025

Chambers USA 2025 Recognizes Our Rhode Island Attorneys and Practices

June 10, 2025

Rhode Island’s Duffy & Sweeney Merges with Stevens & Lee

June 2, 2025

Duffy & Sweeney Blog

Andrew Blais on Rhode Island’s Door-Closing Statutes in RI Bar Journal

May 12, 2025

Patrick Guida in ABA Business Law Today on Uniform Special Deposits Act

March 26, 2025

DOES THE NEW FTC NON-COMPETE BAN IMPACT MY M&A DEAL? NO & YES.

June 6, 2024

From PBN: Five Questions with Mike Sweeney on M&A

June 27, 2023

Client & Industry Comments

“The attorneys at Duffy & Sweeney are intelligent, honorable, and reliable and have a deep understanding of the client’s situation. They work for the good of the client giving a genuine assessment of the matter at hand.”

- Marylu Nadeau, Nadeau and Associates CPAs

“We will ONLY litigate with Duffy & Sweeney. They listen and push back on us to make sure we truly understand the likely outcomes before we spend a lot of time, energy and money. They ALWAYS out-prepare the competition and it’s not even close.“

- Matt Sluter, New England Construction

“Bob Duffy and his team are the premier trusts and estates litigators in Rhode Island. As an estate planning, and trust and estate administration attorney, the first place I turn for trust and estate litigation is Duffy & Sweeney.”

- John Harpootian, Paster & Harpootian, Ltd.

"Well-regarded corporate law department providing clients with advice and representation in a diverse array of transactions including M&A and the renegotiation of sales agreements."

- Chambers USA: America’s Leading Lawyers for Business

"Displays expertise in capital markets transactions and debt financing. Also deals with employee and shareholder issues and has considerable strength in IP licensing."

- Chambers USA: America’s Leading Lawyers for Business

"Consilium Partners has been fortunate to work with Duffy & Sweeney on multiple successful M&A transactions over the past 10 years..."

- Greg Sneddon

"Satisfied clients praise the firm’s approach to client service saying 'They are one of the easiest to communicate with, they stay in touch with you during the process. Their client service is tops – they’re the best of the bunch.'"

- Anonymous client comment in Chambers USA: America’s Leading Lawyers for Business

"This well-respected Providence firm acts for clients in Rhode Island and Massachusetts, but also provides advice extending to national and cross-border clients.'"

- Chambers USA: America’s Leading Lawyers for Business

One impressed client notes: "They are one of the top law firms in this marketplace and everyone there is dedicated to ensuring that the client's needs are always met or exceeded."

- Chambers USA: America’s Leading Guide for Business

Clients appreciate the team's "attention to detail" and praise its performance in negotiations: "They play well with others and are highly organized."

- Chambers USA: America’s Leading Guide for Business

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