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Dalton, Bartholomew J.

Bartholomew J. Dalton - Wilmington, DE

Attorney at Dalton & Associates, P.A.

Medical Negligence Lawyers in Wilmington, DE

Cool Spring Meeting House 1106 West Tenth Street Wilmington, DE 19806

  • 1 Super Lawyers®
  • 48 Years 
    Experience

Wilmington Medical Negligence Lawyer

Updated: 02/28/2026

Areas of Practice

  • Medical Negligence
  • Personal Injury

Attorney Information

Overview

Mr. Dalton graduated from St. Joseph’s College (now St. Joseph’s University) in Philadelphia, PA with a Bachelor of Arts in Political Science. He then graduated from the University of Tulsa Law School in 1977. Returning to the East Coast, he moved to Delaware.

Mr. Dalton was admitted to the bar in 1978. He served as Deputy Attorney General at the Delaware Department of Justice from 1978-1981. He served as Chief Deputy Attorney General from 1983-1987. He is also a member of the DC Bar and the bars of the District of Delaware, The Third Circuit Court of Appeals, and the United States Supreme Court.

Mr. Dalton began his Delaware practice as Deputy Attorney General for the Delaware Department of Justice. As a Deputy Attorney General, from 1977-1981, Mr. Dalton was placed into various special units and was Chief of the Sex Crimes Unit. He spent time in Juvenile/Family Court, the Trial Division and the Rape Unit. He left the Department of Justice in 1981 for private practice as an Associate at Brandt & Benson, P.A. After a brief term in private practice, he returned to become the youngest Chief Deputy Attorney General in Delaware’s history. Serving from 1983-1987, Mr. Dalton was involved in the day-to-day supervision of the criminal, civil and appellate divisions of the Attorney General’s Office while continuing to try some of the most serious cases in that office. After serving as the Chief Deputy Attorney General until 1987, Mr. Dalton moved to private practice as a partner in the firm of Brandt and Dalton.

In 2000, the firm was renamed and became Dalton & Associates. Although he continues to represent the victims of medical negligence and personal injury, the firm has expanded to represent clients in various areas of trial practice and appeals. Those areas include business litigation, white-collar defense, sex abuse, and civil rights. Mr. Dalton has tried cases to juries that have resulted in the largest medical malpractice and largest automobile accident verdicts in the state’s history. He has also been involved in cases involving significant business, white-collar defense and civil rights litigation. Mr. Dalton has been one of the lead lawyers representing plaintiffs in the largest sex abuse cases in the country’s history. They have included cases against several institutions regarding Larry Nasser and hundreds of gymnasts who were abused. The institutions included Michigan State University, the United States Olympic Committee and the FBI. Other cases have included hundreds of survivors involving the University of Michigan, various religious orders/clergy abuse and health systems involving physician abuse of patients.

Mr. Dalton is a Fellow of the American College of Trial Lawyers and is the Past President of the College. He was inducted as President of the College in September 2016. He also served as a Trustee to the Board of Trustees on the Foundation of the American College of Trial Lawyers. He was recently elected as a Trustee to the Board of Trustees on the Foundation of the American College of Trial Lawyers. This foundation funds projects throughout the US and Canada which concern Access to Justice Issues.

He is also a Fellow of the International Academy of Trial Lawyers. He is a frequent lecturer in areas of trial and appellate law and has been on the adjunct faculty of Drexel Law School and Widener Law School. He has also lectured physicians, residents and medical students at various hospital systems including Johns Hopkins, Columbia, Jefferson and Christiana Care.

He has received numerous awards including being listed in Best Lawyers in America for 32 consecutive years. He has been named Lawyer of the Year for both personal injury and medical malpractice litigation for Delaware for many years. He has been named Best Medical Malpractice Lawyer by Delaware Magazine every year it has been published and has been listed by Philadelphia Magazine, Top 10 Lawyers in Delaware since it was published in that magazine.

He is a frequent lecturer in areas of trial advocacy and appellate law. He has lectured lawyers and law students in New York, Chicago, Philadelphia, D.C. and internationally in London and South Africa. He has been on the adjunct faculty of Drexel Law School and Widener Law School. Mr. Dalton has also given Grand Rounds to physicians, residents and medical students at various hospital systems including Johns Hopkins, Columbia, Jefferson and Christiana Care. He consulted with hospitals regarding their Candor Programs.


Awards and Honors

Super Lawyers® Selectees

SuperLawyers

Bartholomew J. Dalton included in a Super Lawyers® list

Honors

  • Fellow of the American College of Trial Lawyers
  • Fellow of the International Academy of Trial Lawyers
  • Best Medical Malpractice Lawyer by Delaware Magazine
  • Lawyer of the Year for both personal injury and medical malpractice litigation for Delaware various years
  • Best Lawyers in America every year since 1993 in Medical Malpractice and Personal Injury
  • Super Lawyers - 2007-2025
  • Philadelphia Magazine, Top 10 Lawyers in Delaware every year since inception. Second highest vote recipient, 2025
  • Delaware Today Best Lawyer - Med Mal Plaintiff – since inception
  • Forbes Best-In-State Lawyers - 2025 (one of eight Delaware Lawyers)
  • Martindale-Hubbell - AV Preeminent Peer Rated Attorneys
  • Best Lawyers in America 2026 - Medical Malpractice Law – Plaintiffs
  • Best Lawyers in America 2026 - Personal Injury Litigation – Plaintiffs
  • The Honorable Francis X McClananhan’27 Award from St. Joseph’s University for Accomplishments in the Field of Law and Commitment to St. Joseph’s University, 2017

Other Sources of Feedback About Bartholomew J. Dalton

Included on the 2026 Delaware Super Lawyers list


Past Lists

  • 2025 Delaware Super Lawyers list
  • 2024 Delaware Super Lawyers list
  • 2023 Delaware Super Lawyers list
  • 2022 Delaware Super Lawyers list
  • 2021 Delaware Super Lawyers list
  • 2020 Delaware Super Lawyers list
  • 2019 Delaware Super Lawyers list
  • 2018 Delaware Super Lawyers list
  • 2017 Delaware Super Lawyers list
  • 2016 Delaware Super Lawyers list
  • 2015 Delaware Super Lawyers list
  • 2014 Delaware Super Lawyers list
  • 2013 Delaware Super Lawyers list
  • 2012 Delaware Super Lawyers list
  • 2011 Delaware Super Lawyers list
  • 2010 Delaware Super Lawyers list
  • 2009 Delaware Super Lawyers list
  • 2008 Delaware Super Lawyers list
  • 2007 Delaware Super Lawyers list

Education

  • Legal Education

    • University of Tulsa College of Law, Tulsa, Oklahoma, 1977
      J.D.
  • Non Legal Education

    • St. Joseph’s College, 1974
      B.A., Bachelor of Arts
      Major: Political Science

Current Employment Position(s)

  • Lead Lawyer and Director

Past Positions

  • Deputy Attorney General at the Delaware Department of Justice from 1978-1981
  • Chief Deputy Attorney General from 1983-1987
  • Associate Brandt & Benson 1982-1983
  • Partner Brandt & Dalton 1987-2000
  • Managing Partner Dalton & Associates 2000-present

Pro Bono Activities

  • Trustee to the Board of Trustees on the Foundation of the American College of Trial Lawyers
  • Lectures in trial advocacy throughout the country and internationally to diverse, young lawyers
  • Board member Wilmington Head Start 2000
  • Service to Children Award by the Office of Child Advocate 2011

Bar Admissions

  • Delaware
  • District of Columbia
  • U.S. District Court District of Delaware
  • U.S. Court of Appeals 3rd Circuit
  • United States Supreme Court

Other Affiliations

  • American College of Trial Lawyers (Past President)
  • International Academy of Trial Lawyer
  • Co-Chair of the Delaware Chief Justice’s Access to Justice Committee – Subcommittee on Fairness in the Criminal Justice System
  • Chair of the Delaware Supreme Court’s Committee on Rule 16
  • Member of the Supreme Court Committee for Alternatives for Bar Admission
  • Chair of the Superior Court’s Committee on Jury Instructions in Criminal Cases
  • Member of the Superior Court’s Committee on Jury Instructions in Civil Cases

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Contact

Google Map

Wilmington, DE

Cool Spring Meeting House
1106 West Tenth Street
Wilmington, DE 19806

Directions

Phone: 302-549-0093

Fax: 302-652-0687

Email: Send a message

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