Atty. Barrett Kiernan

Atty. Barrett Kiernan

Barrett Kiernan is a lawyer practicing antitrust & trade law, environmental and natural resources, energy & utilities. Barrett has been licensed for 31 years.

Phoenix Phoenix 31 yrs experience 31 year
Call (888) 894-6202 Book Appointment

Profile Summary

About Barrett Kiernan at a glance

Barrett Kiernan is a environmental and energy attorney based in Phoenix, Arizona. They have 31+ years of legal experience, licensed to practice since 1995. Admitted to practice in Arizona (1995). Serands clients in Phoenix, AZ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Barrett Kiernan is a lawyer practicing antitrust & trade law, environmental and natural resources, energy & utilities
  • Barrett has been licensed for 31 years
  • Barrett practices in Phoenix, AZ

Practice Areas Explained

Barrett Kiernan's Areas of Practice

Each practice area below reflects the types of cases Barrett Kiernan handles, with a brief overview of what that area of law covers.

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Barrett Kiernan is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Arizona →

Energy & Utilities Law

Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.

Barrett Kiernan is one of 36,230 energy attorneys indexed nationally. Browse energy 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.

Frequently Asked

Common questions about Barrett Kiernan

Where is Barrett Kiernan's law office located?
Barrett Kiernan's law practice is located in Phoenix, Arizona. You can contact the office directly through this profile page.
What practice areas does Barrett Kiernan handle?
Barrett Kiernan focuses on environmental, energy. Each practice area listed reflects experience handling cases of that type in Arizona.
How long has Barrett Kiernan practiced law?
Barrett Kiernan has 31+ years of legal experience and has been licensed since 1995.
How can I contact Barrett Kiernan for a consultation?
You can contact Barrett Kiernan directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Bar Admissions

Arizona
Admitted: 1995

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