Department profile
Mayer Brown LLP

Tax: Controversy

USA Guide 2026 : USA - Nationwide

Share profile

Mayer Brown LLP

Rankings

Chambers Review

Provided by Chambers

Tax: Controversy - USA - Nationwide

Band 1

What the Team is Known For

Mayer Brown LLP offers a highly accomplished practice with enviable experience in litigating high-stakes controversies before the US Tax Court. The firm is further noted for its strength in international work such as transfer pricing disputes and offers recognized strength in administrative appeals. It is supported by tax offerings in its offices in Europe, South America and Asia. It includes large technology companies and consumer goods manufacturers on its impressive client roster and aso offers excellent state and local tax capabilities.

View ranking table

Work Highlights

Provided by Chambers

  • Mayer Brown acted as counsel for Yum! Brands in a US Tax Court case concerning $2.5 billion of asserted tax and penalties resulting from several international reorganizations the company undertook in 2014.

Strengths

Provided by Chambers

  • Mayer Brown is top-shelf at what they do. They provide superb client service and are very strategic but also practical.

    Tax: Controversy respondentUSA

  • They approach challenging situations with precision, practicality and a clear understanding of both the legal and business implications.

    Tax: Controversy respondentUSA

  • Mayer Brown has a strong tax controversy team and strong appellate team, with the ability to leverage both groups throughout the litigation process.

    Tax: Controversy respondentUSA

  • Mayer Brown are the preeminent firm for tax controversy. They have extensive experience litigating the most complex and highest-stakes tax matters.

    Tax: Controversy respondentUSA

Notable Practitioners

Provided by Chambers

  • Brian W. Kittle
    Brian W. Kittle

    Brian W. Kittle

    Brian Kittle offers notable expertise representing major financial services companies in tax controversy disputes.

    • Brian is a masterful litigator with clear-eyed and consistently good judgment in navigating a dispute.

      Tax: Controversy respondentUSA

    • Brian is exceptional. He stays calm and strategic under great pressure and is incredibly creative in finding new ways to look at an issue or situation.

      Tax: Controversy respondentUSA
    View profile
  • Joel V Williamson
    Joel V Williamson

    Joel V Williamson

    Joel Williamson is widely considered a prominent tax controversy lawyer with deep experience in government litigation.

    • Joel has deep experience and a broad pool of matters he has been involved with, which is helpful for clients in navigating novel situations.

      Tax: Controversy respondentUSA
    View profile
  • Thomas L Kittle-Kamp
    Thomas L Kittle-Kamp

    Thomas L Kittle-Kamp

    Thomas Kittle-Kamp has broad experience in tax disputes and transfer pricing issues, with clients including companies from the energy and medical sectors.

    • Thomas Kittle-Kamp is a brilliant lawyer and deep thinker.

      Tax: Controversy respondentUSA
    View profile

Ranked Individuals at Mayer Brown LLP (3)

USA - Nationwide

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership