Professional Biography
Image of Matthew Koerner

Matthew R. Koerner Counsel

  • Phoenix

    D +1.602.351.8119

    F +1.602.648.7000

    Phoenix

    2525 E. Camelback Road, Suite 500

    Phoenix, AZ 85016-4227

    +1.602.351.8119

    MKoerner@perkinscoie.com

  • Washington, D.C.

    T +1.202.654.6200

    F +1.202.654.6211

    Washington, D.C.

    700 13th Street, NW, Suite 800

    Washington, DC 20005-3960

    +1.202.654.6200

    MKoerner@perkinscoie.com

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Overview

News

Insights

  • 06.26.2023
    Justices' Retrial Ruling Will Be Key In Complex Venue Cases
    Articles
    The U.S. Supreme Court settled a circuit split over the appropriate remedy for instances when the government unconstitutionally prosecutes a criminal defendant in an improper venue, and before a jury drawn from the wrong district. Matthew Koerner discusses the ruling of Smith v. U.S., which determined the government may reprosecute the defendant, and doing so does not violate the U.S. Constitution's double jeopardy clause.
  • 09.01.2022
    Federal Contractors in Limbo After Vaccine Mandate Nationwide Injunction Is Narrowed
    Updates

    The federal contractor COVID-19 vaccine mandate, dormant after a federal district court issued a nationwide injunction, may be revived in an appeal of that matter after the U.S. Court of Appeals for the Eleventh Circuit determined that the nationwide injunction was too broad.

  • 05.14.2020
    Prosecutions Related to Coronavirus Stimulus Begin
    Blogs
    Two new prosecutions announced by the Department of Justice mark some of the first prosecutions under the PPP, and signal where and how the government will be looking for wrongdoing.

RELATED INFORMATION

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

Education

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