Department profile
DLA Piper LLP (US)

Tax: Controversy

USA Guide 2026 : USA - Nationwide


DLA Piper LLP (US)

Rankings

Chambers Review

Provided by Chambers

Tax: Controversy - USA - Nationwide

Band 3

Band 3


What the Team is Known For

DLA Piper LLP possesses notable civil and criminal tax expertise with impressive international capabilities. The firm advises clients on a full range of tax controversy matters spanning audits, appeals and litigation. It offers additional experience in SALT controversy matters. The diverse client roster includes the charity, financial services and food producer sectors, as well as high net worth individuals.

Work Highlights

Provided by Chambers

  • DLA Piper continued to represent YA Global Investments LP, an investment fund, in an ongoing case where the IRS has claimed that the offshore investors in the fund had income effectively connected with a US trade or business.

Strengths

Provided by Chambers

  • In addition to technical and procedural strength, professionals at the firm have a very practical approach to complex issues, including an understanding of the personalities involved in negotiations.

    Tax: Controversy respondentUSA
  • They are willing to work with their clients to get a win-win solution.

    Tax: Controversy respondentUSA
  • They are true advocates for their clients when speaking to government authorities.

    Tax: Controversy respondentUSA

Notable Practitioners

Provided by Chambers

  • Band 3Diana Erbsen
    Band 3Diana Erbsen

    Diana Erbsen

    Diana Erbsen draws upon impressive government experience to represent clients in a broad range of tax controversy disputes.
    • Diana Erbsen is a well seasoned litigator and lawyer. She brings great experience from the government and is able to guide decision-making.

      Tax: Controversy respondentUSA
    • She is very collaborative, and her combination of skill set and services gets some really good results for clients.

      Tax: Controversy respondentUSA
    • Diana has extensive contacts with regulators and deep industry knowledge.

      Tax: Controversy respondentUSA
  • Band 3Ellis L Reemer
    Band 3Ellis L Reemer

    Ellis L Reemer

    Ellis Reemer is a tax litigator with experience in state, federal and international disputes. He frequently defends clients in audits and fraud, among other matters.
    • Ellis is very goal-oriented. He is very driven to get the best possible outcome for his clients.

      Tax: Controversy respondentUSA
    • Ellis has unwavering calmness and is steadfast. He can explain his point, convince others and diffuse any situation.

      Tax: Controversy respondentUSA
    • Ellis has decades of experience in this area.

      Tax: Controversy respondentUSA

Ranked Individuals at DLA Piper LLP (US) (2)

USA - Nationwide

What success is built on

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

Explore thought leadership