Mr. Thorn’s expertise is highly sought after across the country and around the globe in all stages of civil and criminal tax controversies including, international tax law, IRS voluntary disclosures, offshore bank accounts and foreign asset disclosures, civil examinations, criminal investigations, IRS administrative appeals, collection alternatives, ethics investigations, IRS tax audits, IRS conservation easements, cryptocurrency disclosures and other types of complex civil litigation.
His broad range of clients include high networth individuals, individuals, tax professionals, partnerships, trusts, banks, closely-held businesses, accounting firms, law firms, and corporations. He is highly skilled, intellectually bright, and respected by professionals across the Nation. Mr. Thorn is one of the “Go-To” tax attorneys in Washington, DC and the North East for complicated tax issues when high profile individuals or big-name companies need important legal issues resolved.
He represents taxpayers in all types of federal and state civil and criminal tax controversy and litigation matters. He has advocated on behalf of his clients before the Internal Revenue Service, the Department of Justice, the United States Tax Court, the Internal Revenue Service’s Office of Professional Responsibility, the Internal Revenue Service’s Whistleblower Office, and DC, Virginia, Maryland and other state taxing authorities.
Mr. Thorn has been named one of the “Top 100” Attorneys in United States, and his firm has been named the Top Tax Firm in Washington, DC and Boston for the last six years running.
Mr. Thorn is a regular speaker and instructor at many professional organizations. He has spoken with and advised banks in Europe, as well as, financial service providers in the Caribbean and other parts of the world regarding FATCA and U.S. information reporting requirements. Mr. Thorn has also spoken on several tax law and government procedure matters to such professional organizations as the American Bar Association’s Section of Taxation, the Federal Bar Association, state bar associations, and several academic and regional conferences.