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 2025

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

More sophisticated use of technology, heightened TP scrutiny and stricter filing requirements are making South African Revenue Service audits a formidable challenge
The hire of Doug Wick expands Baker McKenzie’s state and local tax practice and adds to the firm’s growing ex-IRS expertise
One year after Nuwaru joined the WTS network, leaders James Jobson and Matthew Missaghi reflect on the firm’s mission to offer mid-tier pricing but deliver top-tier results
Join ITR's Head of Research, John Harrison, for an overview of key dates, new developments, best practices, and more for next year’s research cycle
The president’s tariff regime has already caused misery for taxpayers. Losing at the Supreme Court would mean it was all for nothing
The US itself was the biggest loser of tax revenue to American multinationals’ profit shifting, the Tax Justice Network reported; in other news, firms made key tax hires
Identifying who will bear the costs and concerns around confidentiality are issues yet to be resolved, advisers say
As multinationals embed tax technology into their TP functions, a new breed of systems – built on multi-model databases – is quietly transforming intercompany pricing logic
The president described it as ‘one of the most important cases in the history of our country’; in other news, Portugal established a VAT group regime
Clients are facing increased TP audit scrutiny in Hungary. DLA Piper Hungary is therefore using AI and advanced analytics to augment its advice, the firm’s head of TP says
Gift this article