Profile
Premier Business Law and Litigation
Duffy and Sweeney, Ltd. is a leading business law firm headquartered in Providence, Rhode Island. Established in 1996 by founding partners Michael F. Sweeney and Robert M. Duffy, the firm has grown into a powerhouse for corporate law and complex litigation. In June 2025, the firm marked a significant milestone by merging with Stevens and Lee, a full-service platform with over 200 attorneys, further expanding its reach and capabilities throughout the Mid-Atlantic and New England regions. Despite this growth, Duffy and Sweeney maintains its boutique feel, offering the agility and personalized attention of a smaller firm combined with the sophisticated resources of a large organization. The firm is widely recognized for its ability to handle high-stakes deals and litigation for established and emerging businesses, often competing successfully against much larger national firms.
Comprehensive Legal Solutions
The attorneys at Duffy and Sweeney are known for their relentless drive and business-minded approach. They serve as general counsel to many companies, guiding them through every stage of their lifecycle. Key practice areas include:
- Business and Corporate Law: Expert handling of mergers and acquisitions, securities, and general corporate governance.
- Litigation: Representing clients in complex commercial disputes, intellectual property litigation, and shareholder conflicts.
- Intellectual Property and Technology: Protecting the valuable assets of innovators through patent, trademark, and copyright law.
- Real Estate and Land Use: Navigating complex development projects, zoning issues, and commercial transactions.
- Banking and Finance: Advising financial institutions and borrowers on intricate lending and regulatory matters.
A Tradition of Excellence
Duffy and Sweeney has earned a reputation for excellence, with its attorneys consistently recognized by Best Lawyers, Super Lawyers, and Chambers USA. The firm’s culture is built on a commitment to delivering value and results. Located in the heart of Providence’s Financial District, the firm’s office offers stunning views of the city and easy access to the courts. Whether negotiating a multi-million dollar merger or defending a client’s intellectual property rights in federal court, Duffy and Sweeney brings a level of expertise and dedication that is second to none. If you are looking for a legal partner who understands the intersection of law and business, contact Duffy and Sweeney today.
Specializing In
Complex Business Litigation, Technology Transactions, M&A
Address & Location
Located in the scenic and historic College Hill / South Main waterfront area of Providence, Rhode Island.
Building Location
This 7-story professional brick office building is known as the Heritage Building. It is situated close to the beautiful Riverwalk, Gardner Jackson Park, and popular dining spots like Dave’s Coffee.
Suite Access
Enter through the main front lobby of the Heritage Building and take the elevator up to the 4th floor to reach Suite 400.
Parking Details
On-site parking is available in the multi-level parking garage and adjacent customer surface parking lot, with additional public options at the nearby Lot 200.
Public Transit
Served by Rhode Island Public Transit Authority Route 60 (Newport); nearest stop is at S Main before Power.
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