Biography

Daniel R. Sonneborn is a director in the firm's Litigation Group, practicing primarily from the firm’s Boston office. His practice areas include professional liability, construction, financial services and commercial litigation. Dan regularly represents medical professionals, attorneys, accountants, small and large businesses, and insurance companies in state and federal courts in Massachusetts, Maine and New Hampshire.  

Dan's practice also focuses on transportation law, representing motor carriers, brokers, freight forwarders, and insurance companies in transportation related matters and litigation, including cargo loss and damage, warehousing, contractual issues, and employment matters.

While at Suffolk University School of Law, Dan served as Managing Editor of the Journal of Health and Biomedical Law. He lives in Medford, Massachusetts with his wife and two children.

Professional Activities

  • Massachusetts Defense Lawyers Association
  • Transportation Lawyers Association
  • Conference of Freight Counsel

Civic and Charitable Activities

  • Coach, Medford Youth Hockey and Baseball

Publications

  • Co-author, Introduction, A Practical Guide to Understanding RSA 358-A in New Hampshire (MCLE New England, 1st Edition, 2014).

Firm Highlights

Press Coverage

Maine drops residency requirement for recreational marijuana businesses

Since Mainers voted to pass the Maine Marijuana Legalization Act in 2016, lawmakers have been wrestling with how to regulate sales. Last week, recreational marijuana businesses in Maine cleared a major hurdle to operation...

Publication

Legislative Alert: Governor’s Economic Recovery Committee Update

The Governor’s Economic Recovery Committee met on Friday June 26 th to hear reports from the Chairs of all six subcommittees. In the reporting on Friday the biggest monetary ask was from the Infrastructure...

News

Preti Flaherty Attorneys Jason Howe and Emily White Help Advance Massive $59 Million Development Complex In Seacoast

The Kittery Planning Board has given final approval to a $59 million mixed-use residential development off Interstate 95, a project that has been in the works for several years. Preti Flaherty attorneys Jason Howe...

Press Coverage

Officer-involved Shootings Video - Maine Behind the Curve on Public Access to Information

More than three months after officers were involved in a fatal shooting of a Minot, Maine, resident, the Androscoggin County Sheriff's Office and the Office of the Attorney General continue to deny requests to...

News

Preti Flaherty Attorneys Sigmund Schutz and Greg Hansel Lead Suit to Help Students Get Housing and Tuition Refunds for Study Abroad Programs Cancelled by CIEE

In the class-action complaint, Council on International Educational Exchange (CIEE) is cited for breach of contract for failing to refund housing and tuition for cancelled study abroad programs A class-action suit has been filed...

News

ACTIONS. NOW. FOR CHANGE.

Our country and our communities are suffering and in turmoil due to the racial injustices that have occurred for centuries and are still happening all around us today. It is difficult to comprehend and...

Publication

Maine Workers' Comp Alert: WCB Transition to In-Person Hearings Likely to Occur No Sooner Than August 2020; Section 312 IME’s Have Resumed

A conference with Maine Workers' Compensation Board Executive Director John Rohde was held last week to discuss the transition to in-person hearings at the WCB. The WCB Subcommittees also met to discuss recent developments...

Publication

Contractor's Guide to Mitigating Risks in the AIA A201-2017 General Conditions

The AIA A201-2017 is generally a well-understood contract document and is used in a significant number of construction projects each year. While this standard contract covers most risks, there are a number of areas...

Press Coverage

Portland-Based Education Nonprofit Sued For Study Abroad Refunds

A class-action suit has been filed against CIEE on behalf of thousands of college students who were denied any refund of tuition, room and board, and other fees for Spring 2020 study abroad programs...

Publication

Preti Flaherty COVID-19 Resources

In response to the ongoing COVID-19 pandemic, Preti Flaherty's attorneys have maintained a constant stream of the most up-to-date information and resources for our clients, business partners, and others struggling to navigate these complex...