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Leslie J. Altus


Provides tax advice to businesses in all industries, including transportation, energy, pharmaceutical and consumer products. Extensive bankruptcy and litigation experience.

Leslie provides tax advice to businesses and investors in complex transactions, including  liability management, bankruptcy, and cleantech transactions. She advises clients in a range of industries including transportation, energy, power, real estate, pharmaceutical and consumer products. She also has wide experience in tax litigation and controversy matters, including federal and state trial and appellate court proceedings. She served as President of the Penn Law Alumni Society and as an ex-officio member of the Penn Law Board of Advisors from July 2019 through June 2023.


Experience highlights

  • Ad hoc group of secured noteholders in connection with the chapter 11 cases of Cloud Peak Energy Inc. and its affiliates
  • Ad hoc group of GenOn Energy Inc. noteholders in connection with GenOn’s chapter 11 restructuring, including subsidiary power company sale-leasebacks
  • Ad hoc group of bondholders of Puerto Rico’s Government Development Bank in connection with restructuring under PROMESA
  • Related Companies and Oxford Properties in their platform joint venture with José Andrés’ ThinkFoodGroup to develop, own and operate a Spanish style food hall and market
  • An industrial company in reviewing transactions in which it claimed investment tax credits and in defending its claims against challenges by the IRS
  • Successfully represented multinational consumer products company in U.S. Tax Court case involving international restructuring and debt/equity issues
  • Successfully represented U.K. Bank before the Court of Federal Claims and Federal Circuit Court of Appeals in U.S.-U.K. tax treaty dispute relating to determination of income attributable to U.S. branch
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J.D., University of Pennsylvania Law School
B.A., Pennsylvania State University
Law Clerk, Hon. Richard C. Wilbur, U.S. Tax Court, 1983-1985
Professional history
  • Davis Polk since 1985
Qualifications and admissions
  • State of New York
  • U.S. Court of Appeals, Federal Circuit
  • U.S. Court of Federal Claims
  • U.S. District Court, Connecticut
  • U.S. Tax Court
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