Jane Wells May - McDermott Will & Emery


Jane Wells May focuses her practice on state and local tax matters. She represents businesses in connection with tax controversies at the audit, administrative and judicial levels around the United States. Her clients include companies in manufacturing, retailing, pharmaceuticals, financial services, agribusiness, food and beverage, health care, energy, technology and insurance industries. Jane has served on the Firm’s Management and Compensation Committees, on the Executive Committee and as the global head of the Firm’s Tax Practice.

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  • Serves as national coordinating counsel to several Fortune 500 companies to provide strategic counsel and audit defense on all state and local tax matters across the country, including litigating in administrative and judicial venues when necessary
  • Secured a complete concession prior to trial on a cost of performance apportionment income tax issue for a financial services company
  • Won a transfer pricing case for a shared services entity in New York

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  • The Best Lawyers in America, Tax Law, Chicago, 2016 to 2024
  • International Tax Review, World Tax, 2016 to 2023
  • Chambers USA, Tax: Controversy, Band 2, 2008 to 2023

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  • Chicago Bar Association, State and Local Tax Committee
  • State of Illinois, Director’s Advisory Group


Vanderbilt University Law School, JD, Order of the Coif, 1986
Wittenberg University, BA, with honors, 1980

District of Columbia

Supreme Court of the United States