Woods Fuller Shultz & Smith is a single-office general practice firm located in Sioux Falls and employs a total of 38 attorneys. Intellectual property is not a primary focus for the firm, but nine attorneys do handle varying degrees of patent, trademark and copyright work. The firm is particularly active representing clients with issues related to biofuels and agriculture, medical devices and financial institutions. Troy Leonard, Tim Shattuck and Jeffrey Proehl are recognized as being among the more active attorneys in the state handling IP. Leonard is particularly well-known for his trademark prosecution practice. He is the former chair of the IP Committee for the South Dakota State Bar. Shattuck has litigated multiple patent and trade secret disputes in South Dakota and several nearby states, in addition to an appearance before the Federal Circuit.