What areas of law does John O. Shirley practice?

John O. Shirley focuses on Energy and Government.

Where is John O. Shirley located?

John O. Shirley primarily serves clients in Baton Rouge, Louisiana, with an office at 400 Convention Street.

Is John O. Shirley a verified attorney?

John O. Shirley's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

How can I schedule a consultation with John O. Shirley?

You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 225-346-0285.

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John O. Shirley

Baton Rouge, LA

Trusted energy attorney serving Baton Rouge.

1: Bar admission

Practices in

Energy Government

Are you John O. Shirley?

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Quick answer

John O. Shirley is an attorney based in Baton Rouge, LOUISIANA. The practice focuses on Energy and Government.

Based in: Baton Rouge, LOUISIANA
Experience: attorney
Known for: Energy · Government

Handles Energy and Government matters from Baton Rouge, LOUISIANA.
Recognized with Lawyer of the Year — Energy Law (Baton Rouge) (2017).

Areas of practice

Practice focus

John O. Shirley represents clients in Baton Rouge, Louisiana across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About John O. Shirley

John Shirley practices in the area of business law, having represented public utilities before the Louisiana Public Service Commission for over twenty years. His practice consists of representing electric, gas, water and sewer utilities, motor carriers, telecommunications companies, and wind and other renewable energy companies before the Louisiana Public Service Commission. He also consults and lobbies elected public service commissioners, the Louisiana Bond Commission, executive staff and the Louisiana legislature on behalf of his clients.

Prior to joining the firm, he was the founding partner of Shirley, Ezell, Guarisco & Marionneaux, LLC.

Credentials

Education

Louisiana State University
J.D. · 1986
Southeastern Louisiana University
BS · 1976

Jurisdictions

Bar admissions

Louisiana, Louisiana
ACTIVE

Recognition

Awards & honors

Lawyer of the Year — Energy Law (Baton Rouge)
2017
Lawyer of the Year — Government Relations Practice (Baton Rouge)
2014
Best Lawyers in America — Energy Law
2026
Best Lawyers in America — Government Relations Practice
2026
Best Lawyers in America — Special Focus:
2026
Best Lawyers in America — Public Utility
2026
Best Lawyers in America — Awards:
2026
Best Lawyers in America — Chambers USA: America's Leading Lawyers for Business
2026
Best Lawyers in America — The Best Lawyers in America
2026

Locations

Office locations

Main office

400 Convention Street

Baton Rouge, Louisiana 70802-5618

Open in Google Maps

Client feedback

Client reviews

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Frequently asked

Common questions

What areas of law does John O. Shirley practice?
John O. Shirley focuses on Energy and Government.
Where is John O. Shirley located?
John O. Shirley primarily serves clients in Baton Rouge, Louisiana, with an office at 400 Convention Street.
Is John O. Shirley a verified attorney?
John O. Shirley's profile is listed but has not yet been claimed by the attorney. Verification status is pending.
How can I schedule a consultation with John O. Shirley?
You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 225-346-0285.