Contact Contact the firm to receive a free phone consultation regarding your potential case. (312) 945-6065 (312) 757-6316 Fax firstname.lastname@example.org Main Office:4256 N Ravenswood Avenue, Suite 202 Chicago, IL 60613 Mailing Address:4255 N Honore Street, Suite 202 Chicago, IL 60613-4572 Name Email Phone Message Send You have rights. Marquardt Law Office LLC represents investors nationwide and consumers and businesses in Illinois. Call or email the firm to speak to an attorney for a free consultation. Don't let the time to file your claim run out. Contact Marquardt Law Office LLC today.