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Matthew R. Koerner

Profile photo for Matthew R. Koerner
Profile photo for Matthew R. Koerner
Counsel

Matthew R. Koerner

  • Phoenix
  • Washington, D.C.
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Matt focuses on litigation, appeals, and investigations related to government actions, white-collar matters, and technology.

In both state and federal court and at both the trial and appellate levels, Matt Koerner has represented clients in matters involving technology platforms, cryptocurrencies and blockchain, internet and app data, public policy, aircraft, and data centers. 

Through his government and white-collar practice, Matt commonly represents private and public parties in high-profile government-related disputes. He challenges and defends laws and governmental actions. He represents political parties, campaigns, and candidates in election-law and other litigation. And he defends individuals and entities in criminal cases and governmental investigations, including grand jury proceedings, criminal sentencings, and investigations by the U.S. Department of Justice and the Arizona Attorney General’s Office.

Education & Credentials

Education

  • Duke University School of Law, J.D., Research Editor, Duke Law Journal, 2015
  • Arizona State University, B.S. & B.A., 2011

Bar and Court Admissions

  • Arizona
  • District of Columbia
  • Virginia
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. District Court for the District of Arizona

Related Employment

  • U.S. Department of Justice, Criminal Division, Appellate Section, Washington, D.C., Extern

Clerkships

  • Hon. Michael J. Melloy, U.S. Court of Appeals for the Eighth Circuit
  • Hon. Rebecca Goodgame Ebinger, U.S. District Court for the Southern District of Iowa

Professional Recognition

  • Recognized by Best Lawyers: Ones to Watch, Criminal Defense: White-Collar Law, 2021-2026; Appellate Practice; Commercial Litigation, 2024-2026

Impact

Professional Leadership

  • Arizona Center for Law in the Public Interest, Board Member
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