William A. Fennell has practiced international trade law for over thirty years.  He has worked on a variety of international trade matters, including antidumping and countervailing duty cases, customs matters, section 301 petitions, WTO matters, and the application of rules of origin.  He has been recognized by SuperLawyers.

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Mr. Fennell has represented clients in numerous matters before the U.S. Department of Commerce, the U.S. International Trade Commission, the U.S. Customs Service, and the Office of the United States Trade Representative, as well as in litigation before the Court of International Trade and the Court of Appeals for the Federal Circuit. Mr. Fennell is the co-author of the chapters on trade-related investment measures and tropical products in The GATT Uruguay Round: A Negotiating History (1986-1992)(Vol. I) and the author of an update chapter on TRIMS in The GATT Uruguay Round: The End Game (Part I)(Vol. IV).

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Before taking up the practice of law, Mr. Fennell worked for fifteen years in the computer industry in various capacities, including as a computer programmer and systems analyst. He has written computer programs in seven different programming languages throughout both his computer and legal careers.