Former IRS litigator joins Schiff Hardin

International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Former IRS litigator joins Schiff Hardin

Jon Feldhammer

Jon Feldhammer has joined Schiff Hardin’s San Francisco office as a partner in the general corporate and securities group.

Feldhammer is a former IRS litigator, having served as a senior trial attorney in the office of chief counsel for six years and has been lead counsel in more than a dozen cases before the United States Tax Court.

Feldhammer’s practice focuses on federal and state controversy and tax compliance.

He has litigated a variety of issues, including valuation of assets in estate and gift taxes, international taxes and foreign reporting penalties, change of accounting method, like-kind exchanges under section 1031, residency issues, passive loss limitations, unreasonable compensation, and employment taxes.

Feldhammer also advises clients on complying with new tax rules and on correcting improperly reported transactions, such as offshore arrangements, navigating the IRS’ programme for offshore voluntary disclosure, among others. 





Jon Feldhammer
Jon Feldhammer, partner at Schiff Hardin


more across site & shared bottom lb ros

More from across our site

The event comes at an important moment for professionals dealing with practical realities related to this practice area
Germany’s dogmatic restriction of third-party investment in tax advisory firms will only serve to slow down innovation and access to justice
The Irish government has been told that it’s spending too much of its corporation tax receipts and should instead focus on running bigger surpluses; plus, the IRS is set to merge tax practitioner offices
A company risks double taxation, penalties and inquiry cost if it submits a form with anomalies under the new system, Asker Ali also tells ITR
Arindam Mitra and Robin Hart examine how aggregate TP rules clash with transaction-level customs rules, creating compliance risks and requiring granular, SKU-level pricing strategies
The scandal has come just three years after the PwC tax leaks controversy and has prompted KPMG’s Australian chief executive to resign
In the first of a two-part series on capital v revenue in R&D, Jayne Stokes explores these key concepts and where UK companies need to tread carefully
Magnus Pantzar is set to join as managing director after spending nearly a decade as EQT’s global head of tax
The OECD’s project was up for debate as Matt Williams spoke to ITR following BDO’s tax strategist survey, which uncovered increased complexity and costs among multinationals
The recent spree of firm mergers and acquisitions proves that geographic scale is the name of the game
Gift this article