Bob J. Duplantis, Energy Attorney in Lafayette, Louisiana
focused on Energy, Environmental, and Government
Lafayette, LA
Trusted energy attorney serving Lafayette.
Practices in
Are you Bob J. Duplantis?
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Quick answer
Bob J. Duplantis is an attorney based in Lafayette, LOUISIANA. The practice focuses on Energy, Environmental, and Government.
- Based in
- Lafayette, LOUISIANA
- Experience
- attorney
- Known for
- Energy · Environmental · Government
- Handles Energy, Environmental, and Government matters from Lafayette, LOUISIANA.
- Recognized with Lawyer of the Year — Oil and Gas Law (Lafayette) (2021).
About Bob J. Duplantis: Bob J. Duplantis is an attorney based in Lafayette, LOUISIANA. The practice focuses on Energy, Environmental, and Government.
Areas of practice
Legal matters Bob takes on
Bob concentrates on energy, environmental, and government. Each area below outlines the kind of case Bob handles, typical outcomes to expect, and how the intake process starts.
Energy
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Environmental
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Government
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Energy cases in Lafayette, Louisiana
Bob takes energy matters in Lafayette, Louisiana. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Bob agrees to represent you.
Environmental cases in Lafayette, Louisiana
Bob takes environmental matters in Lafayette, Louisiana. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Bob agrees to represent you.
Government cases in Lafayette, Louisiana
Bob takes government matters in Lafayette, Louisiana. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Bob agrees to represent you.
Biography
Meet Bob J. Duplantis — energy lawyer in Lafayette
Bob J. Duplantis is an attorney based in Lafayette, LOUISIANA. The practice focuses on Energy, Environmental, and Government.
Bob Duplantis has dedicated his entire career to the oil and gas industry. Prior to joining the firm in 1982 and establishing its Lafayette office, Bob spent more than a decade serving in-house oil company legal departments, including six years as a lobbyist in Baton Rouge, Louisiana.
Bob’s law practice focuses on Louisiana oil and gas regulation and “meat-and-potato” legal issues. He routinely argues contract disputes affecting the oil and gas industry, including lease interpretation and operational issues, joint operating agreements, oil and gas marketing and sales issues and forced pooling issues. He regularly represents clients before the Louisiana Office of Mineral Resources and the Louisiana Department of Natural Resources (primarily the Office of Conservation), where he has handled more than a thousand adjudicatory hearings. He frequently addresses industry groups such as the annual Mineral Law Institute at LSU. He has also previously served on the board of directors for an independent oil company.
Prior to practicing law, Bob spent 10 years working in exploration and production in various engineering and management assignments throughout Louisiana, Texas, California, and New York.
Published Works & Presentations:
- Preferential Rights to Purchase and Consent to Assign Provisions (46th Mineral Law Institute, March 25-26, 1999)
- The 'Take-or-pay' Controversy: Considerations of the Seller (32nd Mineral Law Institute, March 28-29, 1985)
- Unanswered Questions after Frey v. Amoco (40th Mineral Law Institute, March 25-26, 1994)
Professional Affiliations:
- American Bar Association
- American Association of Professional Landmen (AAPL) JOA FORM 610 Revision Committee
- Mid-Continent Oil and Gas Association
- Louisiana State Bar Association
- Lafayette Parish Bar Association
- Louisiana State Office of Conservation Intrastate Pipelines Ad Hoc Committee
- Committee on Revision of Rules of Procedure, La. State Office of Conservation
- Advisory Committee, La. State Commissioner’s Office of Conservation
Community Involvement:
- Stone Energy Corporation - Board of Directors
- Holy Cross College, New Orleans – Former Board Member
Honors:
- American Bar Foundation - Fellow
- Acadiana Profile Magazine "Top Lawyers" List - Oil & Gas Law; Administrative/Regulatory Law; Energy Law (2014, 2015 and 2019)
- Chambers USA - Energy & Natural Resources: Oil & Gas (Since 2006)
Working with Bob on a energy matter
Bob Duplantis has dedicated his entire career to the oil and gas industry. Prior to joining the firm in 1982 and establishing its Lafayette office, Bob spent more than a decade serving in-house oil company legal departments, including six years as a lobbyist in Baton Rouge, Louisiana. Bob’s law practice focuses on Louisiana oil and gas regulation and “meat-and-potato” legal issues. He routinely…
Clients Bob works with
Bob reviews new inquiries case-by-case for energy, environmental, and government matters in Lafayette and the surrounding Louisiana area.
Credentials
Education, bar admissions, and languages
Loyola University New Orleans
J.D. · 1966
Bob studied at J.D. in Loyola University New Orleans.
Law school and academic background
Bob completed J.D. in Loyola University New Orleans. Formal legal training is one signal of substantive knowledge — the day-to-day practice Bob runs in Louisiana is where that training gets applied to real client questions.
Recognition
Recognition and thought leadership
Bob has received 9 formal recognitions from bar associations, industry bodies, and peer-review services.
Lawyer of the Year — Oil and Gas Law (Lafayette)
2021
Lawyer of the Year — Oil and Gas Law (Lafayette)
2018
Lawyer of the Year — Energy Law (Lafayette)
2016
Lawyer of the Year — Energy Law (Baton Rouge)
2012
Lawyer of the Year — Oil and Gas Law (Baton Rouge)
2011
Best Lawyers in America — Administrative / Regulatory Law
2026
Best Lawyers in America — Energy Law
2026
Best Lawyers in America — Natural Resources Law
2026
Best Lawyers in America — Oil and Gas Law
2026
Legal awards and honors
Lawyer of the Year — Oil and Gas Law (Lafayette) (2021). Lawyer of the Year — Oil and Gas Law (Lafayette) (2018). Lawyer of the Year — Energy Law (Lafayette) (2016). Lawyer of the Year — Energy Law (Baton Rouge) (2012). Lawyer of the Year — Oil and Gas Law (Baton Rouge) (2011). Best Lawyers in America — Administrative / Regulatory Law (2026).
Locations
Bob J. Duplantis's office in Lafayette
Bob's primary office is at 1015 Saint John Street, Lafayette, Louisiana, 70501-6711. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Bob J. Duplantis
Bob has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.
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Schedule your consultationHiring guide
How to hire Bob J. Duplantis — what to expect in your first consultation
Working with a new energy attorney should feel structured. Here's how the first two conversations with Bob usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Bob charges for the initial consult. That fee is credited toward representation if you retain Bob's office.
What to bring to your first meeting
Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Bob will tell you what matters and what doesn't.
Questions to ask a energy attorney in Lafayette, Louisiana
A short list to run through before you commit: How many energy matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?
Fees & payment
Fees, payment methods, and consultation options for Bob
Bob discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in energy practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every energy matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Bob confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Bob's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many energy practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Bob J. Duplantis
How much does it cost to hire Bob for a energy case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Bob walks through the likely range during the consult so there are no surprises.
Does Bob offer a free consultation?
Bob charges for the initial consult; that fee is credited toward representation if you retain Bob's office. Some energy attorneys offer free consults — check Bob's current terms during booking.
How long do energy cases in Louisiana typically take?
Simple energy matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Bob gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Bob take my case if I'm outside Lafayette?
Bob is licensed in Louisiana. Matters governed by Louisiana law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Bob will tell you if the case is a fit or refer you to someone closer to your court.
What should I bring to my first meeting with Bob?
Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Bob will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Bob accepting new energy clients right now?
Bob's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Energy attorneys serving Lafayette, New Orleans and Baton Rouge in Louisiana
Bob handles energy matters throughout Louisiana. Each city below is a direct link into the search page for verified energy attorneys in that community.
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