Department profile

Private Wealth Law
High Net Worth Guide 2026 : District of Columbia
Rankings

Ranked Individuals
Ranked Individuals
Chambers Review
Provided by Chambers
Strengths
Provided by Chambers
What distinguishes Arnold & Porter is the calibre of the partners we deal with. They resolve complex estate issues to maximise the most favourable outcomes for us.
Private Wealth Law respondentHigh Net Worth
Notable Practitioners
Provided by Chambers
Band 1 
Band 1 
Thomas W Richardson
Thomas Richardson advises clients on all aspects of wealth planning and administration, as well as tax and fiduciary litigation and charitable planning matters. Tom is highly skilled, and his calm, thoughtful approach and understanding of the family’s nuances make his counsel indispensable. He provides solutions that are practical.
Private Wealth Law respondentHigh Net Worth
Band 2 
Band 2 
Cara Koss
Cara Koss handles the full suite of estate and trust planning and administration matters for affluent individuals and families with closely held businesses. Koss has further expertise in contentious family wealth matters and IRS audits. Cara is smart, thoughtful and incredibly effective. Her judgement on estate planning is consistently spot-on. She is very attentive and clearly explains nuances of the documents.
Private Wealth Law respondentHigh Net Worth
Ranked Individuals at Arnold & Porter (2)
What success is built on
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