Gibson, Dunn & Crutcher LLP

Daniel J Thomasch

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Practice Areas

Co-Chair, Life Sciences Group. Has national trial and appellate practice, focusing on patent infringement actions and complex product liability cases. Experienced in devising litigation strategies for multiple interrelated lawsuits, and served as national trial and appellate counsel in multi-jurisdiction patent infringement actions and mass tort and product liability cases.


Clerk, Judge Thomas Griesa, Southern District of New York.

Professional Memberships

American College of Trial Lawyers, Fellow, Vice-Chair of the Federal Rules of Evidence Committee. Defense Research Institute: Drug and Medical Device Litigation Committee, Steering Committee Member. American Intellectual Property Law Association, member.


JD, Columbia University, 1981.