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Paul A. Hemmersbaugh


PAUL A. HEMMERSBAUGH is a partner in the Transportation group in the Washington, D.C., office. His practice concentrates on the representation of rail carriers and other transportation industry clients in a variety of regulatory proceedings, rate cases, acquisitions and consolidations, and litigation in federal and state courts. In every year from 2008 to 2014, Mr. Hemmersbaugh has been recognized by Chambers USA: America’s Leading Lawyers, in the National Transportation (Rail) category. In addition to his representation of transportation clients in regulatory, litigation, and transactional matters, Mr. Hemmersbaugh has extensive experience representing other clients in regulatory and commercial litigation and appeals, and he frequently represents clients in litigation involving complex scientific, engineering, and economic issues and disputes. He has conducted internal investigations involving export controls, government contracts, auditing and securities, privacy law, environmental crimes, pharmaceuticals, food processing and safety, and transportation safety and security; and has defended clients in related civil and criminal proceedings, including grand jury inquiries. He has defended clients in complex environmental enforcement actions and related private litigation, and has substantial experience representing regulated industry clients (including pharmaceutical, telecommunications, and transportation firms) before federal administrative agencies and in federal courts. Mr. Hemmersbaugh also represents clients in a variety of other matters before federal and state trial courts (including civil and criminal trials), courts of appeals, and the Supreme Court of the United States.

Mr. Hemmersbaugh serves as outside General Counsel to the District of Columbia Bar, one of the largest bar associations in the United States. He also serves as a member of the Sidley Austin LLP Pro Bono Committee. In late 2010, culminating a multi-year effort, Mr. Hemmersbaugh and a team of Sidley lawyers won the release from prison of David Housler, who was imprisoned for 15 years after being wrongly convicted of four murders.

Mr. Hemmersbaugh graduated magna cum laude from the University of Minnesota Law School. Prior to joining the firm, he served as a law clerk for the Honorable Paul A. Magnuson, Chief Judge of the U.S. District Court for the District of Minnesota. Earlier, Mr. Hemmersbaugh worked for members and committees of the U.S. Congress, including the former Chairman of the House Transportation and Infrastructure Committee. Prior to that service, he worked in private industry.

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