Atty. Matthew R. Koerner
Matthew R. Koerner is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Commercial Litigation and Criminal Defense: White-Collar.
Profile Summary
About Matthew R. Koerner at a glance
Matthew R. Koerner is a criminal defense, business, white collar, litigation, and appellate attorney based in Phoenix, Arizona, practicing at Perkins Coie LLP. Educated at Duke University (J.D., 2015). Recognitions include Best Lawyers in America — Appellate Practice (2026), Best Lawyers in America — Commercial Litigation (2026), and Best Lawyers in America — Criminal Defense: White-Collar (2026). Serands clients in Phoenix, AZ and the surrounding metropolitan area.
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About
- Matthew R. Koerner is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Commercial Litigation and Criminal Defense: White-Collar
- Matthew R., who practices law in Phoenix, Arizona, has been recognized since 2021
- This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew R. is held by other top lawyers in the same geographic and legal practice area
Practice Areas Explained
Matthew R. Koerner's Areas of Practice
Each practice area below reflects the types of cases Matthew R. Koerner handles, with a brief overview of what that area of law covers.
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
Matthew R. Koerner is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Arizona →
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Matthew R. Koerner is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Arizona →
Matthew R. Koerner is one of 20,025 white collar attorneys indexed nationally. Browse white collar attorneys in Arizona →
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Matthew R. Koerner is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Arizona →
Appellate attorneys for civil and criminal appeals at state and federal court.
Matthew R. Koerner is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in Arizona →
Jurisdictional Context
Why local counsel matters in Arizona
Practicing law in Arizona. Legal matters in Arizona are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Phoenix are typically filed in the local municipal court or the appropriate Arizona state district court, depending on subject matter and amount in controversy. An attorney licensed in Arizona brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Arizona courts without local counsel or pro hac vice admission.
Looking for additional Arizona attorneys? Browse all attorneys in Phoenix or all attorneys in Arizona.
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