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Washington, D.C.

601 Massachusetts Ave, NW
Washington, DC 20001-3743

Arnold & Porter offers clients renowned regulatory expertise, sophisticated litigation and transactional capabilities, and leading multidisciplinary practices across a wide spectrum of industries, including life sciences and financial services.

The firm's Washington, D.C. office is one of the oldest and largest in the firm and includes representation from all of the firm's 40 practices. Since its inception, the Washington, D.C. office has continued to thrive in a continually evolving legal market, while remaining committed to our core values of excellence, professionalism, diversity, respect, and public service.

Home to one of the nation's leading regulatory practices, we offer clients in regulated industries a valuable combination of regulatory experience and knowledge of the inner workings of the U.S. government and its agencies. Practicing among our Washington, D.C. attorneys are many former high-ranking government officials whose experience provides critical insight in developing strategy and resolving issues for our clients. (A complete list of our government service is available here.) Attorneys from our Legislative group also provide clients with strategic advice and counsel and direct legislative and executive branch governmental affairs services.

Our interdisciplinary corporate and transactional practices represent national and international clients of various sizes from a wide range of industries. Arnold & Porter attorneys have the ability to draw from diverse practice areas within the firm — a key strength in negotiating a variety of specialized commercial contracts, as well as in most types of corporate transactions. We work with clients to help them meet their goals by effectively handling both routine corporate matters and high-stakes transactions that require innovative thinking and novel structures.

Widely recognized for its successful record in sensitive, complex, and high-stakes litigation nationwide, Arnold & Porter's Litigation group incorporates a thorough understanding of the regulatory, technical, and business issues facing our clients with creative legal analysis to develop effective defense strategies. Our seasoned litigators represent client interests in trial and appellate courts, as well as before government agencies and other tribunals.