John L.A. Lyddane, Esq.

Partner and Group Head, Medical Malpractice Defense Group

John L.A. Lyddane is the Group Head of the Medical Malpractice Defense Group at Dorf & Nelson. Mr. Lyddane has been a medical malpractice and personal injury defense attorney for over forty years and has tried close to 300 cases to dismissal or verdict. In addition, he has briefed and argued cases in the appellate courts including the New York Court of Appeals. He has been involved in every aspect of teaching of litigation and trial skills in university, bar association, Continuing Legal Education, and risk management programs, including six separate four-hour programs on ethics for the litigator. He is a frequent contributor to the legal literature on practical trial skills and the defense of medical malpractice cases, and has co-authored a regular column in the New York Law Journal on Medical Malpractice Defense for many years.

Mr. Lyddane lives with his family in Greenwich, Connecticut, where he has served his community as President of the Belle Haven Landowners’ Association, Commodore of the Belle Haven Club, Commissioner of the Belle Haven Tax District, District Leader of District 2 of the Greenwich Republican Town Committee, Sunday school teacher and soccer coach.

Prior to joining the firm, Mr. Lyddane was a Senior Partner at Martin Clearwater & Bell LLP. Earlier in his career, Mr. Lyddane served as Deputy Attorney General for the State of New York.


May 2019- New York Law Journal
Duty as a Question in Medical Malpractice Defense

March 2019- New York Law Journal
Defending Against Belated Claims

January 2019- New York Law Journal
The Defense of the Informed Consent Claim

November 2018-New York Law Journal
The Defense of the Nerve Injury Case

July 2018-New York Law Journal
The End of NY’s Approach to Expert Witness

May 2018- New York Law Journal
The Uncalled Witness

March 2018-New York Law Journal
The Notice to admit and Medical Malpractice Defense

March 2013 – New York Law Journal
The Culpable Conduct Defense in Medical Malpractice Actions

January 2013 – New York Law Journal
Defending Hospitals Against Vicarious Liability Claims

December 2012 – New York Law Journal
Protecting the Integrity of the Medical Malpractice Trial

September 2012 – New York Law Journal
Access to HIV-Related Information: Status in Conflict

May 2012 – New York Law Journal
Wrongful Death Damages in Medical Malpractice Actions

April 2012 – M.D. News Magazine
The Legal Implications of Asthma in Pregnancy

March 2012 – New York Law Journal
CPLR Rule 3043: An anachronism Awaiting Update

January 2012 – New York Law Journal
Emergency Medical Treatment and Defense of EMTALA Claims

November 2011 – New York Law Journal
Diverse Consequences Arising From Medical Indemnity Fund

September 2011 – New York Law Journal
Nonparty Physician Witnesses in Personal Injury Litigation

July 2011 – New York Law Journal – Part II
Reimbursement Under Medicare – Defendant’s Obligations

June 2011 – New York Law Journal
Defendants Must Heed New Medicare Reporting Obligations

May 2011 – New York Law Journal
In Defense of the Medical Indemnity Fund

March 2011 – New York Law Journal
Reimbursement Under Medicare – Defendant’s Obligations – Part I

January 2011 – New York Law Journal
Priorities for Trial Counsel to Avoid Retrial or Appeal

November 2010 – New York Law Journal
Protecting the Record – The Jury Charge and Verdict Sheet

September 2010 – New York Law Journal
Securing the Full Protection of Article 16 for Defendants

July 2010 – New York Law Journal
The Bankrupt Patient and Medical Malpractice Litigation

May 2010 – New York Law Journal
Challenging the Qualifications of Expert Witnesses

March 2010 – New York Law Journal
Managing Spoliation Sanctions

January 2010 – New York Law Journal
The Medical Judgment Defense After “Nestorowich”

July 2009 – M.D. News Magazine
Investigational Treatment and the Standard of Care

January 2009 – M.D. News Magazine
Liability Exposure in the Practice of Sports Medicine

June 2008 – New York Law Journal
Liability Exposure for Electronic Storage of Media

April 2002 – The National Law Journal
Case Report – Defense of Anastomotic Breakdown Following Colectomy in Patient with Biliary Cirrhosis

April 1991 – Medical Malpractice Prevention Magazine
Case Report – Evidence of Past Substance Abuse by Defendant Physician Suppressed at Trial


American College of Trial Lawyers, 1992-
Who’s Who in American Law, 1974-
Best Lawyers 1995-
Who’s Who Registry of Business Leaders, 1998-
Super Lawyers, 2006-


Mr. Lyddane received a AB in History from the University of Rochester.

He received a Juris Doctor from Syracuse University College of Law. In 1972, Mr. Lyddane was admitted to practice in all courts of New York State. In addition, Mr. Lyddane is also to admitted to practice before the United States Supreme Court; the United States Second Circuit Court of Appeals; the United States Southern, Eastern and Northern District Courts of New York.