John Mark Colvin
Colvin + Hallett, Attorneys at Law • Seattle, WA
White Collar CrimeInsurancePersonal InjuryTaxTax Controversy
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Contact
Email
jcolvin@colvinhallettlaw.com
Phone
(425) 654-8432
Address
719 Second Avenue., Seattle, WA, 98104-1753, US
Professional
About
John Mark Colvin is a seasoned attorney based in Seattle, WA, specializing in insurance, personal injury, tax law, and tax controversy. Since joining Colvin + Hallett, Attorneys at Law in 1991, he has built a formidable reputation in federal tax controversy matters and white-collar criminal defense. Mr. Colvin has skillfully represented clients at every level of the Internal Revenue Service, including the United States Tax Court, the Court of Federal Claims, federal district courts, various Circuit Courts of Appeals, and even the Supreme Court of the United States. His extensive experience includes high-stakes cases such as Gitlitz v. Commissioner, 531 U.S. 206, and St. Charles Investment Co. v. Commissioner, where he played a pivotal role in shaping tax law. Noteworthy achievements also include successfully defending clients in United States v. Guess, et al., where he navigated complex issues surrounding an offshore insurance company and its alleged involvement in illegal tax shelters. Mr. Colvin’s expertise extends to a range of white-collar criminal cases, including fraudulent medical billings, customs violations, securities fraud, software piracy, and environmental crimes. Beyond his legal practice, Mr. Colvin is a respected authority in tax law, frequently lecturing on tax-related topics for professional groups. He serves as the Chairman of the Subcommittee for Legislative and Administrative Developments for the ABA Taxation Section, Civil and Criminal Penalties Committee. Mr. Colvin holds a Bachelor’s Degree in Anthropology from Reed College, where he was inducted into the prestigious Phi Beta Kappa society. He earned his Juris Doctor from the University of Washington School of Law in 1991. Additionally, he pursued graduate studies in 17th and 18th-century Chinese history at Columbia University from 1986 to 1988 and was recognized as a Telluride Scholar at Deep Springs College in 1980. For expert legal guidance in insurance, personal injury, and tax matters, John Mark Colvin stands out as a trusted resource in the Seattle legal community.
About White Collar Crime Law
White collar crime attorneys defend individuals and corporations accused of financial crimes. They handle complex fraud and regulatory investigations. Common matters include fraud, embezzlement, securities violations, money laundering.
Credentials
Education
1991 University of Washington School of Law JD - Juris Doctor 1985 Reed College
Languages
Mandarin
Recognition & Involvement
Publications
2007 ABA Tax Practitioner Penalties: A Primer Tax Practitioner Penalties: a Primer 2007 Employment Law: Changing the World and Our Lives ABA Section Taxation - Employment Law: Changing the World and Our Lives 2007 Subcommitttee Report: Legislative & Administrative Developments by John Colvin Subcommitttee Report: Legislative & Administrative Developments 2006 Federal Bar Association 30th Annual Tax Law Conference Parallel Civil and Criminal Proceedings 2006 International Enforcement Law Reporter, Vol. 22, Issue 5 IRS Obtains Permission to Issue John Doe Summons to PayPal
Associations
2006 - Present Federal Bar Association of the Western District of Washington Member 2004 - Present Subcommittee for Legislative and Administrative Developments, ABA Taxation Section, Civil and Criminal Penalties Committee Chairman 1991 - Present American Bar Association Member 1991 - Present King County Bar Association Member
Speaking
2006 Federal Bar Association 30th Annual Tax Law Conference Parallel Civil and Criminal Proceedings 2006 ABA 2006 Mid Year Meeting Promoter Penalties and Procedures —A Primer 2005 ABA Tax Section's 2005 Criminal Tax Fraud Meeting Tax Shelters-Entering the Era of the Billion Dollar Tax Loss 2004 ABA Tax Section's 2004 Criminal Tax Fraud Meeting It Seemed Like Such a Good Idea At the Time: Tax Shelters, The Morning After
Other White Collar Crime Attorneys in Seattle, WA
Updated: Jun 08, 2026