FacultyFaculty/Author Profile

David M. Cohen

Butler, Snow, O'Mara, Stevens & Cannada, PLLC

New York, NY, USA

David Cohen has spent more than 15 years at the intersection of science, medicine, and the law. He has held lead science counsel positions in mass tort and individual lawsuits alleging personal injury, product liability, and theft of trade secrets. Most frequently, Mr. Cohen helps clients formulate medical defense strategies to rebut allegations of disease diagnosis and causation. He has led challenges to the admissibility of expert witness opinion testimony, culminating in courtroom roles at Daubert, Frye, and Havner proceedings.

Mr. Cohen is pragmatic, efficient, and versatile. In some cases, he handles the science of the case alone, while in others he collaborates with cocounsel in federal multidistrict litigations and state court actions. Regardless of the size or complexity of the matter, Mr. Cohen works closely with clients to develop and deploy effective, sciencebased resources. He maintains relationships with leading research institutions and medical schools from which he is able to retain expert witnesses for consulting and testifying.

During his career, Mr. Cohen has crossexamined more than 90 doctors, scientists, and other witnesses with technical knowledge. His experience spans many disciplines in medicine and science, including: epidemiology, neuroscience, pathology, toxicology, pharmacology, radiology, neurology, cardiology, pulmonology, and cancer.

Mr. Cohen also advises clients on policies and procedures to reduce litigation risk. He lectures at Continuing Legal Education seminars, where he demonstrates techniques of effective expert witness examination. Mr. Cohen has addressed industry groups in South Korea and in South Africa on mass tort litigation in the United States.

Mr. Cohen served as a law clerk for two years to Federal District Court Judge D. Brook Bartlett in the Western District of Missouri at Kansas City

  • “Battle Of The ‘Experts’: Daubert And Milward,” Product Liability Law360 and Appellate Law360, January 2012
  • “Tiptoeing Through Mass Tort Litigation,” Risk Management Magazine, April 2001 (coauthor)

Education and Honors

J.D., Fordham University School of Law, 1986
B.A. (magna cum laude), Union College, 1983
London School of Economics and Political Science, 1981
La Sorbonne, 1982

Recommended in The Legal 500 U.S., 2013
Recognized as a New York Super Lawyer, 2009 2012
Listed in The Best Lawyers in America, 2012 2013


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