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
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. Find details and more featured cases 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.

Tonkin Family of Dealerships Investment Technology Joint Venture

Represented the Tonkin Family of Dealerships, one of the Northwest's largest automobile dealership groups, in structuring a multi-tiered investment in a joint venture to develop software platforms and solutions for the automobile industry.

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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Employers to Receive Special Tax Treatment for Qualified Disaster Relief Payments

The coronavirus (COVID-19) epidemic was recently declared a disaster under the Stafford Disaster Relief and Emergency Act. This triggers special tax treatment for qualified disaster relief payments (“QDR payments”). To the extent not covered by…
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Treasury Relaxes Tax Payment Deadline

In response to the COVID-19 epidemic, the U.S. Treasury has issued a notice providing individual and corporate taxpayers with a three-month extension to pay income taxes that are otherwise due on April 15 without penalties or interest. The extension…
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Proposed Federal Estate & Gift Tax Reform – What You Need to Know Now

The U.S. House of Representatives and the U.S. Senate have now passed separate versions of the “Tax Cuts and Jobs Act.” The proposals that are being discussed in the news as "repeal of the death tax" are much more complex than the TV sound bites…
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The Fleischer Case: IRS Challenges Ahead for Insurance Producers?

A 2017 Tax Court decision, Fleischer v. Commissioner, may call into question a tax planning strategy commonly used by commissioned brokers and salespersons in many industries. This Alert looks at the impact of the decision on insurance brokers and…
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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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Gwen Griffith Presents to Oregon Society of CPAs on Oregon Tax Court Cases

Gwen Griffith presented at the annual State and Local Tax Conference sponsored by the Oregon Society of Certified Public Accountants. Her presentation focused on the 2019 cases decided by the Oregon Tax Court, in both the Magistrate and Regular…
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Gwen Griffith Talks Capital Accounts at IRS/Practitioners Forum

Tonkon Torp partner Gwen Griffith presented at the October 31, 2019 IRS/Practitioners Forum program hosted by the Oregon State Bar Taxation Section, the Oregon Society of CPAs, and the IRS.
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Tonkon Torp Practice Areas Ranked in 2020 U.S. News "Best Law Firms" Publication

U.S. News – Best Lawyers® has released its 2020 edition of "Best Law Firms." Tonkon Torp is once again ranked among the nation's best for six business law service categories including Land Use & Zoning Law, Securities Regulation, Commercial…
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Gwen Griffith Reviews LLC Operating Agreements for OSB Broadbrush Taxation Event

Tonkon Torp partner Gwen Griffith was a featured speaker at the “Broadbrush Taxation: Tax Law for Non-Tax Lawyers” seminar hosted by the Oregon State Bar Taxation Section. The event was designed to help non-tax lawyers understand key tax issues.
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2020 List for Best Lawyers in America® Includes 48 Tonkon Torp Attorneys

Forty-eight Tonkon Torp lawyers representing 39 practice areas have been selected for inclusion in The Best Lawyers in America® 2020. A majority of attorneys have been named to the list in past years, and most have been recognized for more than five…
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Tonkon Torp Practice Areas Ranked in 2019 U.S. News "Best Law Firms" Publication

U.S. News – Best Lawyers® has released its 2019 edition of "Best Law Firms." Tonkon Torp is once again ranked among the nation's best for six business law service categories including Land Use & Zoning Law, Securities Regulation, Commercial…
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Gwen Griffith Breaks Down Capital Accounts for Mid-Valley Tax Forum

Tonkon Torp partner Gwen Griffith spoke at the Mid-Valley Tax Forum on September 18 about partnership capital accounts and how they operate in Oregon. She shared background on the original intent of capital accounts, why they are only available for…
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