All articles from Kostelanetz LLP

Congressional Investigations

• May 1, 2026

Former Chief of IRS Criminal Investigation Guy Ficco Joins Premier Tax Controversy and White‑Collar Defense Boutique Kostelanetz LLP

Andy Steigleder

• Apr 14, 2026

Kostelanetz Successfully Challenges IRS’ AI-Augmented Conservation Easement Appraisal Reports at Trial

Criminal Tax Fraud Investigations & Penalties

• Apr 10, 2026

Karen Kelly Quoted in Tax Notes on DOJ’s New National Fraud Enforcement Division

Appellate Litigation

• Apr 7, 2026

Kostelanetz Files Amicus Brief On Question of SEC Power to Require Disgorgement in Sriptech v. SEC

• Apr 6, 2026

In Pro Bono Cases, Kostelanetz Secures Release of Two Immigrants Unlawfully Detained by ICE

Appellate Litigation

• Apr 3, 2026

Law360 Names Frank Agostino to Its Federal Tax Editorial Advisory Board

Michael Waalkes

• Apr 1, 2026

Kostelanetz Attorneys Author NYSBA Tax Section Report on Proposed Updates to IRS Voluntary Disclosure Practice

• Apr 1, 2026

Kostelanetz Files Amicus Brief on IRS Sharing Tax Info with ICE on Behalf of 115 Members of Congress

Michael Waalkes

• Mar 31, 2026

Kostelanetz Files Amicus Brief on Behalf of the American College of Tax Counsel in SCOTUS Case Murrin v. Commissioner

• Mar 18, 2026

Melissa Wiley Quoted in Reuters Article: Paperless Transition Brings Refund Delay Concerns