A Business Law Firm for Modern Times. Sussman Shank is a mid-size law firm in Portland, Oregon with attorneys admitted to practice in Oregon, Washington, California and several other states. We are an experienced team of over 30 attorneys who have the insight and ability to help clients succeed in today's challenging business environment. Our clients include public and private companies, government entities, institutions, non-profit organizations, and individuals. While we are based in the Pacific Northwest, we frequently represent clients in court proceedings and business transactions throughout the U.S. We also have access to legal expertise in other countries through our affiliation with the Mackrell International Network (www.mackrell.net).