Department profile
Baker Botts L.L.P.

Energy: State Regulatory & Litigation (Oil & Gas)

USA Guide 2026 : Texas


Baker Botts L.L.P.

Rankings

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

Energy: State Regulatory & Litigation (Oil & Gas) - Texas

Band 1

Band 1


What the Team is Known For
Baker Botts L.L.P. has an impressive team of energy attorneys with a strong presence in the Texas electricity market and in the oil and gas space. Regularly called in to handle major matters before the PUCT, as well as advising on compliance with RRC regulations. Handles precedent-setting litigation for a broad client base, including trade associations and utilities. Also acts for a number of notable oil and gas companies. Able to draw upon specialists in areas such as tax, environment and real estate, enabling thorough client representation.

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) respondentUSA
  • Baker 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 1Ann M Coffin
    Band 1Ann M Coffin

    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) respondentUSA
    • Ann is extremely knowledgeable and is a first-in-class regulatory attorney.

      Energy: State Regulatory & Litigation (Oil & Gas) respondentUSA
    • Ann is one of the finest there is.

      Energy: State Regulatory & Litigation (Oil & Gas) respondentUSA
  • Band 1James Barkley
    Band 1James Barkley

    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) respondentUSA
    • Jim 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 2Juliana Sersen
    Band 2Juliana Sersen

    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) respondentUSA
    • Juliana 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 ComingLandon Lill
    Up and ComingLandon Lill

    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 watchPatrick Leahy
    Associates to watchPatrick Leahy

    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) respondentUSA
    • He 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)

Texas

  • Profile image of James Barkley

    James Barkley

    Energy: State Regulatory & Litigation (Electricity)

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  • Profile image of Ann M Coffin

    Ann M Coffin

    Energy: State Regulatory & Litigation (Electricity)

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  • Profile image of Juliana Sersen

    Juliana Sersen

    Energy: State Regulatory & Litigation (Electricity)

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  • Profile image of Landon Lill

    Landon Lill

    Energy: State Regulatory & Litigation (Electricity)

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  • Profile image of Ann M Coffin

    Ann M Coffin

    Energy: State Regulatory & Litigation (Oil & Gas)

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  • Profile image of James Barkley

    James Barkley

    Energy: State Regulatory & Litigation (Oil & Gas)

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  • Profile image of Patrick Leahy

    Patrick Leahy

    Energy: State Regulatory & Litigation (Oil & Gas)

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Members

Provided by Baker Botts L.L.P.

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