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Standing photo of Litigation attorney Dan Sonneborn

Daniel R. Sonneborn,
Director
dsonneborn@preti.com

Boston, MA 617.226.3800
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Upcoming EventNext Month

Dan Sonneborn to Present Webinar on Carmack Amendment Defenses for the Transportation Lawyers Association
February 28, 2023
Webinar
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Upcoming Event

Dan Sonneborn to Present at Trucking Industry Defense Association 2023 Cargo Seminar
March 21, 2023
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Services

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  • Transportation & Maritime Law
  • Professional Liability
  • Financial Industry Litigation & Arbitration
  • Construction Law

Admissions

  • Massachusetts
  • Maine
  • New Hampshire
  • U.S. District Court, District of Massachusetts
  • U.S. District Court, District of Maine
  • U.S. District Court, District of New Hampshire
  • U.S. Court of Appeals, First Circuit

Education

  • Bowdoin College (A.B., 2007)
    • Member, Men's Ice Hockey Team
  • Suffolk University Law School (J.D., 2010)

News

October 11, 2022
Fifteen Preti Flaherty Attorneys Selected for Inclusion in 2022 Super Lawyers More
September 29, 2022
Preti Flaherty Attorneys Recognized for ILAP Support More
October 12, 2021
Nineteen Preti Flaherty Attorneys Selected for Inclusion in 2021 Super Lawyers More
October 13, 2020
Twenty Preti Flaherty Attorneys Selected for Inclusion in 2020 Super Lawyers More
October 17, 2019
Eighteen Preti Flaherty Attorneys Selected for Inclusion in 2019 Super Lawyers More
January 1, 2019
Preti Flaherty Announces Promotion of Two Attorneys to Partner, Two to Director More
October 18, 2018
Twenty Preti Flaherty Attorneys Selected for Inclusion in 2018 Super Lawyers More
October 17, 2017
Nineteen Preti Flaherty attorneys selected for inclusion in 2017 Super Lawyers More
October 21, 2016
17 Preti Flaherty Attorneys Recognized by Super Lawyers More
April 28, 2014
Preti Attorneys Contribute to MCLE New England Book More
October 28, 2013
Attorneys Daniel Sonneborn and Matthew Warner Join Preti Flaherty More
  • Biography
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Firm Highlights

Event

Dan Sonneborn to Present Webinar on Carmack Amendment Defenses for the Transportation Lawyers Association

On Tuesday, February 28, 2023, Preti Flaherty Attorney Dan Sonneborn will present the webinar "The Best Offense… Is a Good Defense? Using Exceptions to Swallow the Rule: The Nuts and Bolts of Carmack Amendment...

Event

Dan Sonneborn to Present at Trucking Industry Defense Association 2023 Cargo Seminar

Preti Flaherty attorney Dan Sonneborn will be a speaker at the Trucking Industry Defense Association (TIDA) 2023 Cargo Seminar in Phoenix, Arizona, presenting on the topic of defending cargo claims concerning perishable goods and the Food...

News

Fifteen Preti Flaherty Attorneys Selected for Inclusion in 2022 Super Lawyers

Fifteen Preti Flaherty attorneys have been selected for recognition by Super Lawyers , including seven Rising Stars. Super Lawyers rates outstanding lawyers throughout the United States in more than 70 practice areas. Only five...

News

Preti Flaherty Attorneys Recognized for ILAP Support

Several Preti Flaherty attorneys were recognized for their support by the The Immigrant Legal Advocacy Project (ILAP) in its  2021 Annual Report . ILAP's goal is to help low-income immigrants improve their legal status and promote...

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