David J. Marr

David J. Marr is the Practice Group Leader of Clark Hill’s Intellectual Property Group and a Member in the firm’s Chicago Office. 

Dave’s extensive experience focuses on intellectual property counseling, litigation and prosecution of patents and trademarks, as well as related issues such as licensing, unfair competition, trade secrets, and copyright. His industry experience includes automotive, electronics, printing, consumer products, agricultural equipment, packaging, and transportation. 

He also serves as an Adjunct Professor of Law at Chicago Kent College of Law, teaching a course entitled Strategies in Intellectual Property. 

A member of the Chicago, Illinois State, and the American Bar Associations as well as the Intellectual Property Law Association of Chicago, Dave is licensed to practice in Illinois, and before the U.S. Court of Appeals for the Federal Circuit Court, Northern District of Illinois Trial Bar, and the U.S. Patent and Trademark Office.