Charles S. Triplett: Lawyer with Mayer Brown LLP

Charles S. Triplett

Washington,  DC  U.S.A.
Phone+1 202 263 3262

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AV® Preeminent

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Practice Areas

  • Health Care
  • Insurance
  • Life Sciences
  • Litigation & Dispute Resolution
  • Transfer Pricing
  • Health Care Litigation
  • Tax
  • Tax Controversy
  • Tax Transactions & Consulting
Contact InfoTelephone: +1 202 263 3262
Fax: +1 202 263 5262
University Rockhurst College, B.S., 1970
Law SchoolUniversity of Missouri-Kansas City School of Law, J.D., 1974; University of Missouri-Kansas City, LL.M., 1977
Admitted1975, Missouri; 1993, District of Columbia; US Tax Court


American Bar Association; Chair of Transfer Pricing Committee, 2002-2003

Federal Bar Association

International Fiscal Association


Charles Triplett is a widely experienced tax lawyer and advisor whose practice focuses especially on matters of international tax. He served for 16 years with the US Internal Revenue Service, where his primary concentration was placed on international tax issues, and particularly on transfer pricing. His responsibilities included major litigation of Eli Lilly and G.D. Searle cases; creation and development of the world's first Advance Pricing Agreement program; numerous legislative efforts and Congressional testimony; and representation of the United States at various international bodies, such as the OECD.

In the course of his private practice, Charles has emphasized cross-border issues affecting such industries as automotive and parts, computer products and peripherals, semiconductors, telecommunications, engineering, pharmaceuticals, food products, financial products, banking, insurance and energy. He has been cited in leading professional publications, including the International Tax Review's The World's Leading Tax Advisers; The Best of the Best, The World's Leading Transfer Pricing Lawyers; and The World's Leading Transfer Pricing Advisers, (in 2000, receiving the most votes among nominees for this mention). He is also recognized as a leading Transfer Pricing advisor in Expert Guides The Best of the Best USA 2013 - Transfer Pricing.

Charles joined Mayer Brown in 1994. Prior to that, he was with Shearman & Sterling in Washington, DC. His experience with the Internal Revenue Service (1977-1993) includes: Special Assistant to the Chief Counsel (1992-1993); Deputy Associate Chief Counsel, International (1986-1992); National Tax Shelter Coordinator (1984-1986); and Special Trial Attorney (1983-1984).

Charles is the author of numerous articles in various tax publications.

Mayer Brown was recently named Tax Controversy Team of the Year in the Legal 500 United States Awards 2014. Mayer Brown is 'among the best' and fields a large team...dedicated exclusively to tax controversy and transfer pricing, said Legal 500 and its sources in the 2014 US edition. The firm's extensive experience spans the full gamut of controversy work, from administrative appeals to litigation in the trial court and at appellate court level.


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Office Information

Charles S. Triplett

1999 K Street, N.W.
WashingtonDC 20006-1101


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