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Lewis Roca Partner Receives Arizona Tax Research Association’s 2022 Outstanding Member Award

Honors & Recognitions

PHOENIX (December 5, 2022) – Lewis Roca partner, Pat Derdenger, has been selected as the recipient of the Arizona Tax Research Association’s 2022 Outstanding Member Award in recognition of his years of support to ATRA. The Arizona Tax Research Association (ATRA) is the only statewide taxpayer organization representing a cross section of Arizona individuals and businesses. ATRA's goal is efficient statewide government and the effective use of tax dollars through sound fiscal policies.

Derdenger, a member of the firm’s Business Transactions Group, is an experienced tax lawyer with deep knowledge of state and local tax issues that impact business operations. He advises businesses on corporate and individual income, multistate sales and use, and property tax matters as well as state and local tax implications regarding business transactions. Furthermore, Derdenger provides counsel on income and employment tax matters, independent contractor/employee tax issues, responsible officer penalties, information return filing penalties, and federal and state excise taxes. He also advises clients on constitutional issues, including the federal commerce clause, due process clause, and equal protection clause.

Derdenger also represents construction industry and homebuilder clients on tax issues related to maintenance, repair, replacement, alteration (MRRA), and modification projects in Arizona. He provides counsel to clients addressing litigation matters, from audits and appeals through various administrative states, as well as in federal and state courts and courts of appeals, and the U.S. Tax Court. Derdenger also advises businesses on the tax implications of various economic incentives and benefits of relocating to and operating in Arizona.

In addition to his acknowledgement from the Arizona Tax Research Association, Derdenger is continually recognized by the industry for his leadership and experience in tax law and his commitment to the community. He has received numerous accolades, including The Best Lawyers in America for the past 28 years in the area of tax law, litigation and controversy: tax, and in the 2022 edition of Chambers USA in the area of tax. He serves on many boards, including the Arizona Tax Research Association and the National Association of Property Tax Attorneys. Derdenger received his LL.M. from George Washington University Law School, his J.D. from the University of Southern California, Gould School of Law, and his M.B.A. from the University of Southern California.

About Lewis Roca

Lewis Roca is an Am Law 200 law firm serving clients globally in complex litigation, intellectual property, business transactions, gaming, government relations, labor and employment, and regulatory counseling. Its offices are located in Albuquerque, Colorado Springs, Denver, Las Vegas, Los Angeles, Phoenix, Reno, Silicon Valley, and Tucson. To learn more about the firm, please visit us at our website at



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