Kenneth Klein: Lawyer with Mayer Brown LLP

Kenneth Klein

Washington,  DC  U.S.A.
Phone202 263 3377

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AV® Preeminent

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Practice Areas

  • Financial Services Regulatory & Enforcement
  • Investment Management
  • India
  • Life Sciences
  • Transfer Pricing
  • Private Investment Funds
  • Tax
  • Tax Controversy
  • Tax Transactions & Consulting
Contact InfoTelephone: 202 263 3377
Fax: 202 263 3300
University University of Delaware, B.A., magna cum laude, 1973
Law SchoolThe University of Georgia School of Law, J.D., cum laude, 1976; Georgetown University Law Center, Masters of Laws in Taxation, 1980
Admitted1977, District of Columbia; 1979, US Court of Federal Claims; 1979, US District Court for the District of Columbia; 1996, US Tax Court; 1997, US Court of Appeals for the Fourth Circuit; 1998, US Supreme Court


Vice President, Legal Aid Society of the District of Columbia

Board of Visitors, University of Georgia School of Law

Law Alumni Board, Emeritus, Georgetown University Law Center

Board of Advisors, Dean Rusk Center - International, Comparative and Graduate Legal Studies, University of Georgia School of Law

Distinguished Service Scroll Award, University of Georgia School of Law, June 2009

Board of Trustees, The Langley School (McLean, Va), Chair (1999-2001) and Member (1994-2001)

American Society of International Law, Past Chair, Budget Committee, and Past Member, Budget Committee, Executive Committee and Executive Council, and International Taxation Correspondent-International Legal Materials

American Bar Association (Taxation Section)

International Fiscal Association


Ken specializes in international tax of the utmost complexity.

Legal 500 2008 Kenneth Klein concentrates his practice on international taxation, tax planning, tax transactions, tax controversies, and public policy. His tax practice experience has included planning, structuring/restructuring, mergers and acquisitions, other transactions, regulations, legislation, private letter rulings, examinations, administrative appeals, and amicus briefs. He has represented domestic and international clients in numerous industries, including manufacturing, financial institutions, software, transportation, pharmaceuticals, services, real estate, agricultural, trading, and entertainment, among others.

Ken has experience with outbound investments, inbound investments, structuring/restructuring, joint ventures, income bifurcation and amalgamation, controlled foreign corporations (subpart F), investments in US property, offshore intangibles, manufacturing, contract manufacturing, transportation, active royalties and rentals, software, other high tech, services, trading, insurance, source of income, foreign tax credits, and interest and other expense allocation and apportionment. His financial institutions experience extends to cross-border financings, portfolio interest, conduit financing arrangements, withholding tax, tax treaties, investment funds (stock, securities, commodities, venture capital, real estate and shipping), swaps, other derivatives, CDOs, other structured finance vehicles, catastrophe bonds, US and foreign stock and securities lending, foreign tax credit, controlled foreign corporations, source of income, and transfer pricing. He also has experience with the taxation of artists and athletes and international individual tax planning.

Prior to working at Mayer Brown, Ken worked at the IRS, first as Assistant Branch Chief and Attorney, Legislation & Regulations Division and General Litigation Division (1977-1981), and later as the Associate Chief Counsel (Technical) (1988-1990). Ken was an associate and then a tax partner at Cadwalader, Wickersham & Taft from 1981-1988 and 1990-2002. He also was fellow of the American Society of International Law (1976-1977).

Ken is recognized year after year for his skills in international taxation. He has been lauded by clients for his sophisticated cross-border tax planning, structuring and restructuring for a number of US and non-US multinationals. He has also been named as a leading lawyer by Legal 500 for four consecutive years. For the past seven years, Ken has been named to the World's Leading Tax Advisers (Euromoney/International Tax Review). He is recognized as a leading tax controversy adviser in the International Tax Review Tax Controversy Leaders guide and named among the Best Tax Lawyers in Washington DC by Washingtonian Magazine and Washington Post Magazine. Ken has also been featured as a leading tax lawyer in Washington DC by Super Lawyers for five consecutive years. Mayer Brown's Tax practice is ranked Tier 1 by Chambers USA, Legal 500 and the International Tax Review.

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.

Ken has been a speaker at numerous tax seminars.


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Office Information

Kenneth Klein

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


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