
Energy: State Regulatory & Litigation (Oil & Gas)
USA Guide 2026 : Texas
Rankings

Ranked Individuals
Ranked Individuals
About
Provided by Baker Botts L.L.P.
Baker Botts’ Energy Regulatory Practice advises clients on all aspects of federal and state energy regulation across power, oil, and gas markets. The team represents a broad range of industry participants, including utilities, merchant generators, renewable energy developers, emerging technology companies, producers, midstream operators, transporters, distributors, consumers, and new market entrants. Baker Botts also counsels companies developing energy infrastructure and projects, as well as investors and lenders active in the energy sector.
The firm’s lawyers regularly practice before federal and state regulatory agencies that oversee energy markets and related activities, and they work with other agencies that impact energy facilities and projects. In addition to regulatory counseling, the team handles civil litigation involving federal and state regulatory issues and represents clients in appellate matters arising from judicial review of agency orders and lower court decisions.
To learn more about our practice, visit: www.bakerbotts.com/services/practice-areas/regulatory/energy-regulatory
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
Baker Botts L.L.P. continued to counsel ONEOK on Texas regulatory matters including in connection with tariff filing requirements for gathering pipeline rates and terms of service.
Strengths
Provided by Chambers
The Baker Botts team is very knowledgeable regarding the regulatory and legal requirements we face, and has efficiently and successfully helped us navigate our filings and prepare for cases.
Energy: State Regulatory & Litigation (Oil & Gas) respondentUSABaker Botts is very keyed into the Texas market. The firm is very knowledgeable and helpful in strategizing.
Energy: State Regulatory & Litigation (Oil & Gas) respondentUSA
Notable Practitioners
Provided by Chambers
Band 1 
Band 1 
Ann M Coffin
Ann Coffin is an esteemed attorney capable of presenting matters before both the PUCT and RRC on behalf of oil and gas and power industry participants. She offers excellent legal advice and does so in a way that considers business needs.
Energy: State Regulatory & Litigation (Oil & Gas) respondentUSAAnn is extremely knowledgeable and is a first-in-class regulatory attorney.
Energy: State Regulatory & Litigation (Oil & Gas) respondentUSAAnn is one of the finest there is.
Energy: State Regulatory & Litigation (Oil & Gas) respondentUSA
Band 1 
Band 1 
James Barkley
James Barkley is distinguished in the field for his expertise in both oil and gas side work and electric matters. He is sought after for his leading counsel on ratemaking. Jim is the dean of Texas electricity regulatory and dispute matters.
Energy: State Regulatory & Litigation (Oil & Gas) respondentUSAJim is incredibly helpful and responsive. He knows a lot about utility law and the business side. He is a great resource.
Energy: State Regulatory & Litigation (Oil & Gas) respondentUSA
Band 2 
Band 2 
Juliana Sersen
Juliana Sersen draws upon her experience of working within ERCOT to advise clients on regulatory and policy matters. She is noted for her representation of renewable power generators and retail energy providers. Juliana provides high-quality, sophisticated legal services stemming from her prior direct first-hand experience as ERCOT legal counsel and effectively identifies commercial risk and strategies for mitigating commercial risk.
Energy: State Regulatory & Litigation (Oil & Gas) respondentUSAJuliana is an excellent attorney. I don't think there is anyone in the business who knows more about ERCOT protocols and the related law.
Energy: State Regulatory & Litigation (Oil & Gas) respondentUSA
Up and Coming 
Up and Coming 
Landon Lill
Landon Lill of Baker Botts L.L.P. is an up-and-coming attorney recognized for his robust energy practice, assisting electric utilities and providers with regulatory issues before PUCT and ERCOT.
Landon is extremely helpful and has great insights in utility law.
Energy: State Regulatory & Litigation (Oil & Gas) respondentUSA
Associates to watch 
Associates to watch 
Patrick Leahy
Patrick Leahy of Baker Botts L.L.P. is an associate handling regulatory advice and litigation representation for oil and gas clients, representing them before PUCT and the Railroad Commission of Texas, among other regulatory bodies.
Patrick is a reliable and knowledgeable resource.
Energy: State Regulatory & Litigation (Oil & Gas) respondentUSAHe is a really sharp guy with a good reputation.
Energy: State Regulatory & Litigation (Oil & Gas) respondentUSA
Ranked Individuals at Baker Botts L.L.P. (7)
Members
Provided by Baker Botts L.L.P.

William Kroger
Head of Department

Michael Yuffee
Head of Department

Ryan Norfolk

Emil Barth

Louie Layrisson


Juliana Sersen
View profile of Juliana Sersen
Landon Lill
View profile of Landon Lill
Ann M Coffin
View profile of Ann M Coffin
Patrick Leahy
View profile of Patrick Leahy
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