

Matthew R. Koerner
- Phoenix
- Washington, D.C.
Notice
Before proceeding, please note: If you are not a current client of Perkins Coie, please do not include any information in this e-mail that you or someone else considers to be of a confidential or secret nature. Perkins Coie has no duty to keep confidential any of the information you provide. Neither the transmission nor receipt of your information is considered a request for legal advice, securing or retaining a lawyer. An attorney-client relationship with Perkins Coie or any lawyer at Perkins Coie is not established until and unless Perkins Coie agrees to such a relationship as memorialized in a separate writing.
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, elections, public policy, and asset forfeiture.
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 (DOJ) 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
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, 2021-2024
Recognized by Best Lawyers: Ones to Watch, Appellate Practice, 2024
Recognized by Best Lawyers: Ones to Watch, Commercial Litigation, 2024