Skip to main content

About me

Rob McCallum's practice emphasizes the resolution of civil and criminal tax matters before the Internal Revenue Service and the Washington State Department of Revenue. He also represents clients in other federal and state criminal matters.


Prior to entering private practice, Mr. McCallum was a federal prosecutor with the Criminal Tax Section of the United States Department of Justice and an Attorney-Advisor with the United States Tax Court in Washington, D.C. While at the Department of Justice, he represented the Internal Revenue Service in grand jury investigations and criminal trials in federal district court.


Mr. McCallum is an adjunct professor at Seattle University School of Law and Golden Gate University's Graduate Tax Program in Seattle, where he teaches several courses, including tax practice and procedure. He has received the Outstanding Faculty Member Award and Distinguished Teaching Award from Golden Gate University.


Practice areas


  1. Criminal Defense: 34%
  2. White Collar Crime: 33%
  3. Tax: 33%

Attorney endorsements

4 total 

Are you an attorney? Endorse this lawyer

  • Michael S. Waddington

    I endorse Robert. He is a highly skilled attorney that is well respected in the legal community.


    Michael Waddington Military law Attorney
    Relationship: Fellow lawyer in community

  • Daniel P. Harris

    When our clients need a white collar criminal lawyer for alleged financial crimes, we refer them to Rob. He is a superb lawyer.


    Daniel Harris International law Attorney
    Relationship: Worked together on matter

Contact info

LeSourd & Patten, P.S.

One Union Square
600 University Street 24th Floor, Suite 2401
Seattle, WA, 98101

600 University St, Ste 2401
Seattle, WA, 98101



MNAuthorized to practice197807/15/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Best Lawyers, Tax LawN/AN/A
Super LawyerN/AN/A
AV RatingN/AN/A
Best LawyerN/AN/A
Work experience
TitleCompany nameDuration
PartnerLeSourd & Patten, P.S.1990 - Present
Association namePosition nameDuration
Washington State Bar AssociationMemberN/A
Western Region Bar AssociationMemberN/A
American Bar AssociationMemberN/A
Washington State Bar AssociationPresident1999 - 2000
Publication nameTitleDate
ABA JournalEffectively Representing Your Client Before the 'New' IRS,"2000
IRS Practice Alert, Vol. 6, No. 8"Representing the Nonfiler Requires a Multi-Functional Approach,"1992
Taxation For Accountants"Steps to Reduce Tax and Penalties on Nonfilers,"1992
School nameMajorDegreeGraduated
Georgetown University Law CenterTaxationLL.M - Master of Laws1980
California Western School of LawLawJD - Juris Doctor1978
Middlebury CollegeN/ABA - Bachelor of Arts1974
Speaking engagements
Conference nameTitleDate
Northwest Tax InstituteNuts & Bolts of Circular 230 - What You Need To Know2006