John W. Kozak - Leydig, Voit & Mayer, LTD.
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John W. Kozak

Listed in Best Lawyers since 2007
Phone: 312-616-5650

University of Notre DameGeorgetown University Law CenterJ.D. 1968

Client Comments

"John Kozak is very experienced and easy to communicate with on technical issues. This comes from experience with Viskase technology."

-Myron D. Nicholson
VP New Products and Technology
Viskase Companies, Inc.

"John Kozak is the top patent litigator, and is particularly effective in defending against patent trolls."

-Ronald L. Taylor
Assistant General Counsel - Intellectual Property
Mitsubishi Electric & Electronics USA, Inc.

Office Location

Two Prudential Plaza, Suite 4900
180 North Stetson Avenue
Chicago, IL 60601-6731
United States

Lawyer of the Year Awards

2017 Lawyer of the Year in Litigation - Patent of the Chicago Metro Area
John W. Kozak has earned a Lawyer of the Year award for 2017!

Practice Areas

Litigation - Intellectual Property
Litigation - Patent