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About me

Mr. Jarski's practice consists of tax controversy matters before the
Internal Revenue Service. His recent cases include, but are not limited
to, helping clients resolve off-shore compliance issues, complex IRS
audits, challenging Trust Fund Recovery Penalty assessments, voluntary
disclosures, representing non-filers, tax collection matters, penalty
abatements, information return compliance issues and criminal tax

Mr. Jarski joined LeSourd & Patten, P.S. in 2003
after having completed the Masters of Law in Taxation program at New
York University. While at NYU, he focused on business taxation, with an
emphasis on corporate reorganizations and partnership taxation.

Prior to attending NYU, he graduated magna cum laude from Gonzaga
University School of Law in Spokane, Washington. While at Gonzaga, he
interned with United States Attorney's Office for the Eastern District
of Washington.

Mr. Jarski speaks Polish and studied German and Russian. In his free time, he enjoys snow skiing, water skiing, and biking.


Languages spoken: Polish

Practice areas


  1. Tax: 100%

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Contact info

LeSourd & Patten, P.S.

600 University Street
Suite 2401
Seattle, WA, 98101


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Medal of ExcellenceN/AN/A
Association namePosition nameDuration
Washington State Bar AssociationMemberN/A
Tax Section of WSBAPresident2012 - 2013
Tax Section of WSBAVice President2011 - 2012
Tax Section of WSBASecretary2010 - 2011
Tax Section of WSBATreasurer2009 - 2010
Tax Section of WSBAIRS Liaison Committee Co-Chair2006 - 2009
Publication nameTitleDate
Taxation LawIRS Focuses on Compliance with Reporting Requirements for Offshore Accounts2009
School nameMajorDegreeGraduated
New York University School of LawTaxationLL.M - Master of Laws2003
Gonzaga University School of LawLawJD - Juris Doctor2002
University of WashingtonN/ABA - Bachelor of Arts1999
Speaking engagements
Conference nameTitleDate
International Tax ConferenceReporting Requirements for FBARs and Other Information Returns2010