Tax is more than a mid-April issue to most businesses, it’s a bottom-line concern. Tonkon Torp’s tax clients include closely held businesses as well as international industry leaders. We help clients structure their businesses and transactions to minimize tax liability while ensuring compliance with local, state and federal tax laws.

Our tax attorneys advise on all types of transactions and tax-related matters including:
  • Entity formation and structure
  • Mergers and acquisitions
  • Domestic and international joint ventures
  • Executive compensation and benefits
  • Investment and research credits
  • Tax-exempt organizations
  • Employee stock ownership plans (ESOPs)
  • Tax-qualified retirement plans
  • Property tax assessments
  • Opportunity Zone investments
  • Like-kind exchange transactions
We also represent clients in tax controversies, including audits and litigation before the Internal Revenue Service, state and local taxing authorities, the U.S. Tax Court, the Oregon Tax Court and more.

Tonkon Torp Pilots Smooth Landing in Columbia Helicopters Sale

Tonkon Torp led one of Oregon's most notable M&A deals of 2019 for its client, Columbia Helicopters. Founded in 1957, Columbia Helicopters, Inc. (CHI) is one of Oregon's most recognizable brands.

Tonkon Torp Leads Moda Health Through Corporate Restructure and $155 Million Sale

Tonkon Torp led client Moda Health through its high-profile corporate restructure and $155 million stock sale to Delta Dental of California.

Tonkon Torp Guides Pacific Foods through Oregon’s Largest Acquisition of 2017

Tonkon Torp led Oregon's largest M&A transaction in 2017, the $700 million acquisition of Tualatin-based Pacific Foods of Oregon LLC by Campbell Investment Company. Pacific Foods is an iconic, nationally distributed organic food brand founded in 1987.

Tonkon Torp Brings Attorney Power to Renewable Energy Transaction

Tonkon Torp client Enel Green Power North America (EGPNA) is the North American subsidiary of one of the largest corporations in the world, the Italian electricity company Enel S.p.A. Here's how we helped EGPNA in a renewable energy acquisition.

Tonkon Torp Represents Vestas in Acquisition of UpWind Solutions

Tonkon Torp represented its client Vestas, the world's largest manufacturer of wind turbines, in the acquisition of UpWind Solutions, Inc., an independent service provider for wind power plants in nine US states. The $60 million acquisition furthers Vestas's strategic objectives for its North America service business.

Historic U.S. Bank Block Sale

Tonkon Torp real estate and tax lawyers were instrumental in the complex, $40 million sale of the historic U.S. Bank Block in downtown Portland to real estate investment firm ScanlanKemperBard. Read more here.

Benson Industries

Represented Benson Industries, one of the world's largest designers and manufacturers of the glass and metal curtain walls (building facades), in an eight figure sale to a subsidiary of Berkshire Hathaway.

City Center Parking Acquired by Canada-based Impark

Represented the general partner in the sale of Portland's largest local parking management and services company to an international firm. The company operated approximately 200 lots, mostly in the core of the City. Transaction included contractual arrangements for 28 lots owned by affiliates of the company's owners.


Represented Columbia Distributing, one of the nation's largest malt beverage, wine and non-alcoholic beverage distributors, in a nine figure sale to a financial buyer.

Constitutional Law

Defended attacks by the American Trucking Associations against Oregon's heavy truck tax system. The Oregon Supreme Court held that the tax did not violate the Commerce Clause of the U.S. Constitution. (Oregon Court of Appeals, Oregon Supreme Court, U.S. Supreme Court)

DirectTV, Inc. v. Department of Revenue

Obtained summary judgment from tax court holding that DirectTV's Oregon-based property is subject to local assessment, which does not include intangibles, and not central assessment, which does include intangibles.

Dish Network L.L.C. v. Department of Revenue

Represented a satellite television provider challenging whether it provides "data transmission services" which could subject it to central assessment.

Moda Health

Represented Moda Health in structuring a majority stake in a joint venture to provide pharmacy services to senior living facilities.

Powerex Corporation v. Department of Revenue

Filed amicus brief on behalf of a regulated utility before the Oregon Supreme Court to determine the nature of electricity as "tangible personal property" for purposes of Oregon corporate excise tax.

Representation of Sale to Financial Buyer

Represented a client, a Northwest based supplier of truck, trailer and various truck wheel products, in an eight figure sale to a financial buyer.

Sale of Cadet Manufacturing Company

Tonkon Torp negotiated and finalized the sale of Vancouver-based Cadet Manufacturing to an Irish company called Glen Dimplex, the world's largest electric heat manufacturer.

Sale of Linn County Tree Farm

Represented the seller of a Linn County, Oregon tree farm that had been family-owned for some 60 years.

Sale of Portland Bottling Company

Tonkon Torp negotiated the sale of 92-year old Portland Bottling Company. The buyer is an entity formed by Ed Maletis, former founder of beer and spirits giant Columbia Distributing.

Sale of Specialty Pharmacy Company

Represented seller in the restructure and sale of a 51% interest in a specialty pharmacy company.

PPP Round 2: Who Is Eligible, What Expenses Can Be Paid, And What Is the Tax Treatment?

Shortly before the end of the bizarre and painful 2020 calendar year, the Consolidated Appropriations Act for 2021 (the Act) was signed into law, providing an additional $284 billion appropriation for the Paycheck Protection Program (PPP).
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Section 1031: What is Real Property? Four Things You Should Know From the New Final Regulations

Effective December 2, 2020, the IRS issued its Final Regulations (the “Final Regs”) clarifying what is real property under Section 1031 of the Internal Revenue Code.
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New Round of PPP Loans and Tax Breaks in Year End Stimulus Package

After months of stalled negotiations, Congress finally passed the Consolidated Appropriations Act for 2021 (the “Act”), which includes a $900 billion stimulus package to support the ailing economy. The Act, signed into law by the President on…
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Uncertain Thankfulness: A Tax Deduction Denied & PPP Loan Forgiveness

Under the CARES Act, PPP loans given to affected borrowers were potentially eligible for forgiveness without cancellation of indebtedness income. To qualify, an affected borrower must certify that (i) “the uncertainty of current economic conditions…
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Treasury Releases Guidance on Temporary Deferral of Employee Payroll Taxes

On Friday, August 28, Treasury released Notice 2020-65, which provides guidance to employers that wish to implement President Trump’s Executive Order allowing a temporary deferral of employee-side Social Security taxes.
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What Does the Trump Order on Tax Deferrals Mean for Employers?

On August 8, 2020, President Trump issued an Executive Order directing Treasury Secretary Mnuchin to allow employers a temporary deferral on withholding, collecting, and remitting certain employment taxes. This is not a tax forgiveness, at least at…
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Earn-OUCH: Post-M&A Transaction Earn-Outs in Light of COVID-19

Often, the parties in a business sale will designate a portion of the purchase price to be paid out over time or otherwise made contingent on the performance of the business after the transaction is complete. An earn-out can be one of the most…
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To Be or Not to Be a Deductible – That Is the Current PPP Question

Now that Paycheck Protection Program (PPP) funds are landing in business accounts, it’s time to dig into how PPP loan forgiveness is taxed. Tonkon Torp attorneys have detailed how PPP loans work at our firm’s COVID-19 Resources page, but in short…
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Four Points to Keep in Mind About the New July 15 Tax Deadline

Last Friday, the Treasury Department and IRS revised their guidance from earlier in the week and issued a notice granting taxpayers an extension until July 15 to file income tax returns and make income tax payments that would normally be due on April…
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IRS Guidance for Employers on Refundable Credits for Covering Qualified Employee Leave

On March 18, 2020, Congress enacted the Families First Coronavirus Response Act (the "Act") providing for paid sick leave and expanded family and medical leave for coronavirus-related reasons and creating refundable credits for eligible employers…
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Best Lawyers in America® Includes 53 Tonkon Torp Attorneys on 2022 List

Fifty-three Tonkon Torp lawyers representing 39 practice areas have been selected for inclusion in The Best Lawyers in America® 2022
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Griffith and Walker Guide Business Litigators through Taxing Questions

Tonkon Torp attorneys Gwen Griffith and Kalia Walker recently hosted a presentation, “Taxing Thoughts for Business Litigators,” for the OSB Business Litigation Section. The program was designed to help business litigators navigate common tax…
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Kate Roth Talks Tax for Dallas, TX Bar Association

On March 1, Tonkon Torp attorney Kate Roth was a featured panelist at a tax event hosted by the Tax Section of the Dallas, Texas Bar Association.
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Gwen Griffith Provides Oregon Tax Court Update to Oregon CPAs

Tonkon Torp partner Gwen Griffith was a featured speaker at the 2021 State and Local Tax Conference sponsored by the Oregon Society of Certified Public Accountants.  Her talk, delivered via a virtual livestream, started with a look at how COVID-19…
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Kate Roth is a Featured Panelist at 2021 ABA Midyear Tax Meeting

On January 26, Tonkon Torp attorney Kate Roth was a featured panelist at the Virtual 2021 Midyear Tax Meeting hosted by the American Bar Association.
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Kate Roth Provides Federal Tax Update to Oregon CPAs

Tonkon Torp attorney Kate Roth was a featured speaker at the Northwest Federal Tax Conference hosted by the Oregon Society of CPAs on October 27. In her briefing, she provided an update on changes to federal tax laws made in 2020 as well as a review…
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U.S. News "Best Law Firms" Publication Ranks 37 Tonkon Torp Practice Areas for 2021

U.S. News – Best Lawyers® has released its 2021 edition of "Best Law Firms." Tonkon Torp is once again ranked among the nation's best for five business law categories and is top-ranked in the metropolitan Portland market in 37 practice areas.
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Kate Roth Joins Tonkon Torp from U.S. Tax Court

Tonkon Torp LLP welcomes Kate Roth to the firm as an associate in its Tax and Executive Compensation & Employee Benefits practice groups. Roth joins the firm from the United States Tax Court where she was a judicial law clerk for the Honorable…
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Best Lawyers in America® Includes 49 Tonkon Torp Attorneys on 2021 List

Forty-nine Tonkon Torp lawyers representing 36 practice areas have been selected for inclusion in The Best Lawyers in America® 2021. A majority of attorneys have been named to the peer-review list in past years, and most have been recognized for more…
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COVID-19 Business Resources

Tonkon Torp is committed to protecting the health, safety, and well-being of our employees, clients, families, and community. We are continually monitoring the impact of COVID-19 on our business community and will be providing clients with relevant…
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