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John

John H. Gadon

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John Gadon has more than 25 years of experience advising clients on complex state and federal tax matters and project financing. He regularly represents Fortune 500 companies in Oregon state and local tax appeals and litigation.

John also has substantial experience advising institutional tax-exempt organizations on tax, organizational, and charitable compliance matters, and advising clients on tax-exempt bond financing and development-related tax incentives.

Experience

America West Airlines, Inc. v. Multnomah County
Case No. 91-07505-PHX-RGMU.S. Bankruptcy Court, District of Arizona
(In re America West Airlines, Inc.) Oregon property tax, partial summary judgment for America West and subsequent settlement; substantial tax refund.
American Honda Motor Co., Inc. v. Department of Revenue
Case No. 060524BOregon Tax Court
Income tax, partial summary judgment for American Honda. Interest income on car loans purchased by finance subsidiary and on wholesale loans by finance subsidiary to dealers not sourced to Oregon.
AT&T Corp. v. Department of Revenue
Case No. 15 OTR 202Oregon Tax Court
Summary judgment for AT&T, $3,000,000 income tax refund.
Oracle Corporation v. Department of Revenue
Case No. TC-MD 070762COregon Tax Court
Income tax, Department of Revenue (DOR) motion for partial summary judgment denied. Taxpayer not required to report income as business income or non-business income uniformly in each state.
Weyerhaeuser v. Department of Revenue
Case No. 980749Oregon Tax Court
Oregon income tax, settlement, substantial tax refund.
WTD Industries, Inc. v. United States
Case No. 95-8483 et al.U.S. Bankruptcy Court, Western District of Washington
(In re WTD Industries, Inc.) Federal income tax; settlement, substantial tax refund.

Professional Experience

Office of Chief Counsel, Internal Revenue Service, Cleveland, Ohio, Trial Attorney

Community Involvement

American Bar Association, Taxation Section

State and Local Tax Committee
Executive Committee
Co-Chair, Corporate Tax Subcommittee
Co-Chair, Task Force on State Tax Apportionment Dispute Mediation (2015-2017)
Exempt Organizations Committee

Oregon State Bar, Taxation Section

Past Chair
Past Member, Executive Committee
Legislative/Oregon Department of Revenue Liaison Committee

Thought Leadership

August 15, 2024News
The Best Lawyers in America© 2025 Recognizes 128 Lane Powell Attorneys
Awards & Honors
August 17, 2023News
The Best Lawyers in America© 2024 Recognizes 123 Lane Powell Attorneys
Awards & Honors
October 26, 2022Event / CLE
Top 10 Cases - Income Tax
Council On State Taxation | Orlando, Florida
August 18, 2022News
The Best Lawyers in America© 2023 Recognizes 90 Lane Powell Attorneys
Awards & Honors
August 19, 2021News
The Best Lawyers in America© 2022 Recognizes 90 Lane Powell Attorneys
Awards & Honors
August 13, 2021Publication
Oregon Adopts Tax Deduction Workaround for Oregon Income Taxes Attributable to Partnership and S Corporation Income
Tax Legal Update
February 18, 2021Publication
Portland Metro and Multnomah County, Oregon Implement New Income Taxes
Tax Legal Update
November 12, 2020Publication
Portland, Oregon Area Voters Approve County Personal Income Tax and Reject Proposed Payroll Tax
Tax Legal Update
August 20, 2020News
The Best Lawyers in America© 2021 Recognizes 92 Lane Powell Attorneys
Awards & Honors
July 22-24, 2020Event / CLE
Indirect State Tax
Council On State Taxation | Webinar
May 28, 2020Publication
Portland, Oregon Area Voters Approve New One Percent Personal and Business Net Income Taxes
Tax Legal Update
March 18, 2020Publication
Tax Traps and Opportunities From Employers Requiring Employees to Work From Home
COVID-19 Resource
March 17, 2020Publication
Portland-Area Voters Will Vote on Whether to Adopt One Percent Personal and Business Net Income Taxes
Tax Legal Update
January 10, 2020Publication
Oregon Department of Revenue Issues Temporary Administrative Rules for the Corporate Activity Tax
Tax Legal Update
December 30, 2019Publication
Portland Exempts Construction Companies and Contractors From City’s 1% Gross Receipts Tax
Tax Legal Update
August 15, 2019News
The Best Lawyers in America© 2020 Recognizes 63 Lane Powell Attorneys
Awards & Honors
July 17, 2019Publication
Oregon Amends Recently Enacted Commercial Activity Tax
Tax Legal Update
May 23, 2019Publication
Oregon Enacts Gross Receipts Tax
Tax Legal Update
May 3, 2019Publication
Oregon House Passes Gross Receipts Tax
Tax Legal Update
April 25, 2019Publication
Oregon Gross Receipts Tax Proposed
Tax Legal Update
January 18, 2019Publication
Portland Revenue Division Proposes Amendments to 1% Gross Receipts Tax on Retail Sales
Tax Legal Update
November 14, 2018Publication
Oregon Department of Revenue Describes Sales Factor Impact of Federal Tax Reform’s Deemed Repatriation
Tax Legal Update
November 9, 2018Publication
Portland Adopts 1% Gross Receipts Tax on Retail Sales by Large Retailers
Tax Legal Update
August 15, 2018News
The Best Lawyers in America© 2019 Recognizes 62 Lane Powell Attorneys
Awards & Honors
July 24, 2018News
Twenty-three Lane Powell Attorneys Recognized by Super Lawyers in Alaska and Oregon
Awards & Honors
November 1, 2017Event / CLE
Pacific Northwest Regional Tax Seminar
Council on State Taxation | Portland, Oregon
August 15, 2017News
Fifty-nine Lane Powell Attorneys Named in The Best Lawyers® in America 2018
Awards & Honors
July 10, 2017News
Twenty-three Lane Powell Attorneys Recognized by Super Lawyers in Alaska and Oregon
Awards & Honors
May 24, 2017News
Miao Selected as Fellow of the American Bar Foundation
Awards & Honors
August 17, 2016News
Fifty-one Lane Powell Attorneys Named in The Best Lawyers in America® 2017
Awards & Honors
July 11, 2016News
Twenty-one Lane Powell Attorneys Recognized by Super Lawyers in Alaska and Oregon
Awards & Honors
August 17, 2015News
Forty-eight Lane Powell Attorneys Named in The Best Lawyers in America® 2016
Awards & Honors
July 8, 2015News
Fifteen Lane Powell Attorneys Named ‘Oregon Super Lawyers’ and Four Named as ‘Oregon Rising Stars’
Awards & Honors
August 19, 2014News
Horowitz and Lindquist Selected as Fellows of the American Bar Foundation
Awards & Honors
August 18, 2014News
Fifty-One Lane Powell Attorneys Named in The Best Lawyers in America® 2015
Awards & Honors
July 9, 2014News
Fifteen Lane Powell Attorneys Named ‘Oregon Super Lawyers’ and Five Named as ‘Oregon Rising Stars’
Awards & Honors

Practices & Industries

Nonprofit & Social Enterprise
Tax
Tax Reform

Education

University of Washington, J.D., with honors
- Order of the Coif
Brown University, B.A.

Admissions

Oregon
Washington
U.S. Tax Court
U.S. District Court, District of Oregon
U.S. District Court, Western District of Washington

Honors

Life Fellow, American Bar Foundation

Portland “Lawyer of the Year,” in Litigation and Controversy – Tax, Best Lawyers® (2021)

“Oregon Super Lawyer,” Thomson Reuters, Tax (2010-2018)

AV Preeminent® in Martindale-Hubbell® Peer Review Ratings™

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