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David J. Marr

fax +1 312.985.5958

David J. Marr assists clients in intellectual property counseling, litigation and prosecution of patents and trademarks, as well as related issues such as licensing, unfair competition, trade secrets, and copyright.

Dave’s industry experience includes automotive, electronics, printing, consumer products, agricultural equipment, packaging, and transportation.

Dave also serves as Leader of the firm’s Intellectual Property practice group.


J.D., Chicago-Kent College of Law, Illinois Institute of Technology, Chicago, Illinois, 1987
B.S., University of Illinois at Urbana-Champaign, Champaign, Illinois, 1980


Chicago-Kent Intellectual Property Law Society Alumni Award 2017


Chicago Bar Association

Illinois State Bar Association

American Bar Association

Intellectual Property Law Association of Chicago

Adjunct Professor of Law at Chicago Kent College of Law, Strategies in Intellectual Property

State Bar Licenses


Court Admissions

U.S. Court of Appeals, Federal Circuit
U.S. Patent and Trademark Office
U.S. Court of Appeals, 7th Circuit
U.S. District Ct., N.D. of Illinois