Frank Jackson focuses his practice exclusively on complex federal, state and local tax controversies, tax litigation and criminal tax matters.

Frank has significant experience representing clients (individuals, public and private corporations, partnerships, estates and nonprofits) in all aspects of sophisticated, challenging tax disputes before the Internal Revenue Service (IRS), the Tax Division of the US Department of Justice, before numerous state taxing authorities and in federal and state court litigation and appeals.

In federal civil tax controversy matters, Frank represents clients throughout the United States in IRS audits, in protests to the IRS Appeals Office, in matters pending before the United States Tax Court, the United States District Court, the United States Court of Federal Claims. Where tax liabilities have been assessed but unpaid, Frank represents clients before the IRS Collection Division and IRS Appeals in negotiating installment payment agreements and offers in compromise, in collection due process Hearings, and in resolving lien priority and levy disputes.

In federal criminal tax matters, he represents clients who are targets, subjects and witnesses in criminal tax investigations being conducted by the IRS Criminal Investigation Division and by the Department of Justice.

Frank also represents clients seeking to become compliant with US (as well as state) tax laws regarding international tax issues, including representing clients participating in Voluntary Disclosure Initiatives relating to previously undisclosed foreign financial accounts and in civil tax audits and criminal tax investigations related to these matters.

Frank serves as the chair of DLA Piper’s New York Diversity and Inclusion Committee and chair of the New York Summer Associate Program.