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S. Peter Sachner
Partner
New Haven Office
265 Church Street
Suite 802
New Haven, CT 06510
P 203.672.5426
F 203.672.5480

"I aggressively defend my clients in litigation, and work collaboratively with them in providing strategic advice and counsel toward the best possible resolution of complex issues."

Peter Sachner is an experienced trial lawyer who focuses on medical malpractice defense and hospital liability law, having dedicated his career to the representation of physicians, hospitals, and other health care professionals for over twenty-five years. In addition to maintaining a thriving litigation practice, Peter counsels clients on a variety of health care-related issues, including hospital risk management, patient care issues, peer review, and physician licensure issues, among others. As a skilled communicator who is devoted to his client relationships, Peter provides an aggressive defense or measured negotiations as the particular case and the best interests of his client warrant. He considers his work with risk managers and senior litigation managers to be a strategic partnership, and his goal is to provide them with excellent results as together they evaluate and resolve complex issues and difficult cases.

Peter has extensive jury, court trial and appellate experience, and has appeared before health care regulatory agencies and professional licensing boards. He has presented and authored material for National Business Institute’s continuing legal education seminars, including “Advanced Issues in Connecticut Medical Malpractice” and “Trying the Soft Tissue Injury Case in Connecticut.”

Peter is a member of the Connecticut Defense Lawyers Association and Defense Research Institute, and a past member of the Health Law Section of the American Bar Association and the Connecticut Society for Healthcare Risk Management. While in law school, he was Articles and Book Review Editor of the Connecticut Law Review. Peter has been listed in Connecticut Super Lawyers®. He is recognized in the 2022 publication of The Best Lawyers in America® in the area of Litigation – Insurance and in the 2023 publication for Litigation – Health Care and Litigation – Insurance. Peter is recognized in the 2024 and 2025 publications for the same areas as well as Medical Malpractice Law – Defendants. He has received the preeminent Martindale-Hubbell lawyer rating of AV—the highest level of professional achievement and ethical standards—reflecting the trust and respect he has earned through interactions with clients, colleagues and adversaries.

Team

Jennifer S. Mullen
Counsel
Jennifer S. Mullen
860.437.0375
mullen@halloransage.com
Jean Anderson
Medical Paralegal
Jean Anderson
203.672.5430
anderson@halloransage.com
Charla McDermott
Paralegal
Charla McDermott
860.437.0383
mcdermott@halloransage.com
Rhonda Rooney
Medical Paralegal
Rhonda Rooney
203.672.5482
rooney@halloransage.com
Kenia Rosado
Legal Assistant
Kenia Rosado
203.672.5485
rosado@halloransage.com
Linda Chin-Fleetham
Legal Assistant
Linda Chin-Fleetham

fleetham@halloransage.com

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OUR CULTURE OF POSSIBILITY

Practice Areas

Medical Malpractice
Professional Licensure Defense
Personal Injury
Litigation & Dispute Resolution

Education

Princeton University
1987, AB, with distinction
University of Connecticut School of Law
1992, JD, cum laude

Admissions

Connecticut, 1992
District of Connecticut, 1994
U.S. Second Circuit Court of Appeals, 2012
United States Supreme Court, 2002
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