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

AI, pillar two and joint audits could define the next era of tax controversy, says Baker McKenzie tax partner Ariane Calloud
Gregor McMillan of Howden explains how insurance-backed financing can help businesses and funds unlock liquidity from tax receivables and other contingent claims
The arrival of Alex Anderson swiftly follows that of funds tax specialist Stuart Alter and suggests the Tier 3-ranked firm has higher ambitions
One of the two appointments is EY’s Gordon McIntosh, who becomes the big four firm’s second senior tax departure in September
Balson's move from a Tier 1 practice to a Tier 3 competitor looks counterintuitive. The market data suggests it is anything but
Awards
It was another banner year for Deloitte, which picked up more awards than any other firm at a gala ceremony held at The Londoner in Leicester Square
The big four firm has been embroiled in a scandal over partners’ misuse of confidential board papers to pitch for and win corporate audits for Westpac and Dexus
Drawing on lessons from the PepsiCo case, tax lawyer Paul McNab explains why the ATO's latest royalty guidance should concern multinationals well beyond the technology sector
As pillar two exposes the limits of fragmented tax processes, organisations are rethinking their operating models to create the trusted data foundations that AI demands
World Tax data shows Matt Donnelly is moving from a Tier 3 transactional tax practice to a Tier 1 market leader, underlining Kirkland & Ellis’s pull at the top end of the market
Gift this article