Daniel J. Thomasch - Gibson Dunn LLP
No Photo Available

Daniel J. Thomasch

Listed in Best Lawyers since 2013
Phone: 212-351-3800

Daniel J. Thomasch is a litigation partner in Gibson, Dunn & Crutcher’s New York office, with a national trial and appellate practice.  Mr. Thomasch is a Fellow of the American College of Trial Lawyers, and has tried cases to verdict in federal and state courts in New York, Delaware, Maryland, Virginia, Tennessee, Florida, Colorado and Texas.  Mr. Thomasch’s appellate experience includes oral arguments in the United States Court of Appeals for the Second, Third, Sixth, Ninth, Eleventh and Federal Circuits and the highest courts of New York, Georgia and Maryland.

Mr. Thomasch has extensive experience devising litigation strategy for clients involved in multiple interrelated lawsuits, having served as national counsel in regard to related patent infringement matters pending in multiple jurisdictions, and in complex mass tort and product liability suits involving hundreds of cases and thousands of plaintiffs.  Each of those representations spanned many years of litigation and each ended in complete victory for his clients.  On numerous occasions Mr. Thomasch been asked to assume lead responsibility for ongoing matters in which developments such as unfavorable pretrial rulings have significantly increased the stakes of the litigation and/or diminished the likelihood of success at trial, and he also has a demonstrated record of success in those situations. 

Mr. Thomasch is Co-Chair of Gibson Dunn’s Life Sciences Practice Group and Co-Chair of the Product Liability Practice Group.  He was named a “Life Sciences Star” in the inaugural publication of LMG Life Sciences 2012, and in each subsequent issue.  Chambers USA:  America’s Leading Lawyers for Business has ranked Mr. Thomasch nationally for Product Liability and Mass Torts, and in New York for Intellectual Property.  Mr. Thomasch is also named by The Best Lawyers in America© as a leading attorney for Product Liability Litigation, and has been named “A Super Lawyer” byLaw & Politics every year since 2006 for both product liability defense and intellectual property litigation.  Lawdragon has recognized Mr. Thomasch as among the “Top 500 Lawyers” and as one of the “500 Leading Litigators.”  He is recommended for “Life Sciences:  Product Liability” in PLC’s Which Lawyer?; and Benchmark Litigation:  The Definitive Guide to America’s Leading Litigation Firms and Attorneyshas named him a “Litigation Star” nationally for Products Liability and in the State of New York for Commercial Litigation.

Mr. Thomasch serves on the Steering Committee of the Defense Research Institute’s Drug and Medical Device Committee.  He is a member of the American Bar Association, the American Intellectual Property Law Association, the New York Intellectual Property Law Association, the Federal Bar Council and The Association of the Bar of the City of New York (Thurgood Marshall Award, 1998).

Prior to joining Gibson Dunn, Mr. Thomasch was a litigation partner of Orrick, Herrington & Sutcliffe LLP, where he had served as Managing Director of its Litigation Division, Chair of its Life Sciences Industry Group and a member of the firm’s Executive Committee.

Mr. Thomasch received his J.D. from Columbia University School of Law in 1981, where he was a Harlan Fiske Stone Scholar and recipient of the Young B. Smith Award.  His undergraduate degree is from Northwestern University.  After law school, Mr. Thomasch was a law clerk to the Honorable Thomas P. Griesa of the United States District Court for the Southern District of New York.

Columbia UniversityJ.D. Northwestern UniversityBA

Office Location

200 Park Avenue
New York, NY 10166-0193
United States

Practice Areas

Product Liability Litigation - Defendants