John L.A. Lyddane, Esq.

Partner and Group Head, Medical Malpractice Defense

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.


April 1991 – Medical Malpractice Prevention Magazine

Case Report – Evidence of Past Substance Abuse by Defendant Physician Suppressed at Trial

April 2002 – The National Law Journal

Case Report – Defense of Anastomotic Breakdown Following Colectomy in Patient with Biliary Cirrhosis

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

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

March 2010 – New York Law Journal Managing Spoliation Sanctions

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

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

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

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

April 1991 – Medical Malpractice Prevention Magazine

Case Report – Evidence of Past Substance Abuse by Defendant Physician Suppressed at Trial

April 2002 – The National Law Journal

Case Report – Defense of Anastomotic Breakdown Following Colectomy in Patient with Biliary Cirrhosis

June 2008 – New York Law Journal

Liability Exposure for Electronic Storage of Media

January 2009 – M.D. News Magazine

Liability Exposure in the Practice of Sports Medicine

July 2009 – M.D. News Magazine

Investigational Treatment and the Standard of Care

January 2010 – New York Law Journal

The Medical Judgment Defense After “Nestorowich”

March 2010 – New York Law Journal

Managing Spoliation Sanctions

May 2010 – New York Law Journal

Challenging the Qualifications of Expert Witnesses

July 2010 – New York Law Journal

The Bankrupt Patient and Medical Malpractice Litigation

September 2010 – New York Law Journal

Securing the Full Protection of Article 16 for Defendants

November 2010 – New York Law Journal

Protecting the Record – The Jury Charge and Verdict Sheet

January 2011 – New York Law Journal

Priorities for Trial Counsel to Avoid Retrial or Appeal

March 2011 – New York Law Journal

Reimbursement Under Medicare – Defendant’s Obligations – Part I

May 2011 – New York Law Journal

In Defense of the Medical Indemnity Fund

June 2011 – New York Law Journal

Defendants Must Heed New Medicare Reporting Obligations

July 2011 – New York Law Journal – Part II

Reimbursement Under Medicare – Defendant’s Obligations

September 2011 – New York Law Journal

Nonparty Physician Witnesses in Personal Injury Litigation

November 2011 – New York Law Journal

Diverse Consequences Arising From Medical Indemnity Fund

January 2012 – New York Law Journal

Emergency Medical Treatment and Defense of EMTALA Claims

March 2012 – New York Law Journal

CPLR Rule 3043: An anachronism Awaiting Update

April 2012 – M.D. News Magazine

The Legal Implications of Asthma in Pregnancy

May 2012 – New York Law Journal

Wrongful Death Damages in Medical Malpractice Actions

September 2012 – New York Law Journal

Access to HIV-Related Information: Status in Conflict

December 2012 – New York Law Journal

Protecting the Integrity of the Medical Malpractice Trial

January 2013 – New York Law Journal

Defending Hospitals Against Vicarious Liability Claims

March 2013 – New York Law Journal

The Culpable Conduct Defense in Medical Malpractice Actions


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.