Jon Nelson has practiced in the Chicago office of Banner & Witcoff, Ltd., for more than thirty-five years. Throughout that time he has been involved in the procurement of patents, trademarks and copyrights, advisory counseling, opinion preparation, contract negotiation and preparation, and extensive litigation related to patents, trademarks and copyrights. Mr. Nelson is known for his innovative approach to intellectual property problems, and has been listed among America's top intellectual property lawyers on a number of occasions.