David K Callahan

Practice Areas

David Callahan, former Global Chair of the firm's Intellectual Property Practice, represents clients in complex litigation in the areas of patent, trade secret, false advertising, and unfair competition.

Mr. Callahan represents clients in a range of industries, including medical devices, semiconductors, consumer products, telecommunications, and automotive products.

He develops winning strategies for clients based on his more than 30 years of experience as a trial lawyer, litigating bench and jury trials, as well as before the Federal and Seventh Circuit Courts of Appeal.

Leadership

Mr. Callahan is a board member of Lawyers for the Creative Arts and the Public Interest Law Initiative, and serves on the board of two youth hockey organizations. He also recently served as a member of the firm’s Recruiting Committee.