For 100 years Banner Witcoff has provided sound protection and inventive intellectual property solutions for some of the worl ... d’s most innovative organizations. Our team of seasoned litigators fiercely protects, enforces and defends our clientele’s IP and interests—all over the world. We pride ourselves on our vast knowledge of IP law, serving all its facets, including patent, trademark, copyright, trade secrets, computer franchise, unfair competitions law and more. Offices in Chicago, D.C., Boston and Portland. read more