Dan is the Chair of the firm’s Litigation Group and focuses his practice on personal injury, medical malpractice defense and insurance defense. He is an experienced trial lawyer, having tried more than 100 cases and jury trials in Maine, Massachusetts, and New Hampshire on a range of issues. Dan is also a highly skilled mediator having mediated more than 500 civil disputes in his career. He was named Lawyer of the Year for Mediation in 2015 by Best Lawyers in America.

Dan has been on the faculty of the Maine Trial Lawyers Association's Maine College of Trial Advocates and frequently presents on litigation and medical malpractice topics. He is a member of the International Association of Defense Counsel and has served on the faculty of that organization's Trial Academy at the Stanford Law School.

He is from Sharon, Massachusetts, and graduated Phi Beta Kappa from Colby College. At Colby, he was captain of the baseball team and sports editor of the Colby Echo. He earned his law degree at Cornell University in 1978 and joined Preti Flaherty the same year.

Professional Activities

  • Maine State Bar Association
  • Maine Trial Lawyers Association
  • Massachusetts Bar Association
  • National Academy of Distinguished Neutrals - Maine Chapter
  • Maine Association of Mediators

Honors & Recognition

  • Best Lawyers in America
    • Lawyer of the Year (2015) for Mediation
    • Lawyer of the Year (2020) for Personal Injury Litigation - Defendants
    • Lawyer of the Year (2022) for Medical Malpractice Law - Defendants
    • Lawyer of the Year (2023) for Professional Malpractice Law - Defendants
  • Chambers USA: America's Leading Lawyers for Business
  • New England Super Lawyers
  • Rated AV® Preeminent™ by Martindale Hubbell

Civic and Charitable Activities

  • Volunteer Lawyers Project, pro bono volunteer
  • Maine Youth Camping Association
  • Colby College Lacrosse Boosters
  • Jewish Federation, former Director

Firm Highlights


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...


Attorney Daniel Rapaport Selected by Peers as “Lawyer of the Year” in Best Lawyers in America 2023

Preti Flaherty attorney Daniel Rapaport has been recognized in Best Lawyers in America 2023 as the “Lawyer of the Year” in the field of Professional Malpractice Law – Defendants. Inclusion in Best Lawyers in...


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...


46 Preti Flaherty Attorneys Selected by Peers for Inclusion in Best Lawyers in America 2023, Including 6 “Lawyers of the Year”

Forty-six Preti Flaherty attorneys have been named to Best Lawyers in America 2023, including three “Ones to Watch” and six “Lawyer of the Year” recipients. Inclusion in Best Lawyers in America is considered a...


Sixteen Preti Flaherty Attorneys Selected as Chambers USA Leaders in Their Field

Sixteen Preti Flaherty attorneys and six practice groups have been selected for inclusion in the 2022 Chambers USA Guide to America's Leading Lawyers for Business , the highly regarded directory of leading attorneys and...