Phillip G. Oldham

Phillip G. Oldham

  • 512.404.6702
  • 713.951.5893
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  • Thompson & Knight LLP
    98 San Jacinto Boulevard
    Suite 1900
    Austin, TX 78701 USA
View Phillip G. Oldham's
Phillip Oldham serves as a member of Thompson & Knight’s Management Committee. He focuses his practice on federal and state regulatory and administrative law, administrative litigation, and project development and transactions. Phillip has specific expertise regarding energy projects and electric power markets. His in-depth knowledge of regulatory issues in various industries makes him uniquely able to provide his clients with practical solutions to a host of legal issues.


Energy Markets

  • Assists clients in navigating complex legal issues related to energy markets, including wholesale and retail electric markets, natural gas markets, and other energy commodity markets
  • Assists clients in the development and design of electricity markets in Texas and handles numerous matters arising in the context of electricity market development and market transactions
  • Provides strategic counseling to many large companies on energy market issues and strategies

Energy Regulatory

  • Assists clients in navigating the complex regulations applicable to the production, sale, and delivery of energy commodities
  • Assists clients in managing regulatory risk and regulatory compliance issues
  • Represents several well-established trade associations on matters involving energy regulations and policy

Project Development and Transactions

  • Assists clients with the development of large infrastructure projects, both on regulatory issues and general commercial issues
  • Assists clients on a multitude of projects and transactions, including the development of cogeneration facilities, petrochemical facilities, gas processing facilities, carbon dioxide facilities, liquefied natural gas facilities, electric transmission facilities, hydrocarbon and chemical pipeline facilities, and a host of other major infrastructure projects

Administrative Law and Litigation

  • Assists clients on numerous matters before state and federal agencies
  • Assists clients on significant issues involving litigation, policy decisions, and rulemakings before regulatory agencies such as the Public Utility Commission of Texas, the Kansas Corporations Commission, the Louisiana Public Service Commission, the Mississippi Public Service Commission, the Comptroller of the State of Texas, the Texas Railroad Commission, the Texas Racing Commission, the Electric Reliability Council of Texas, the Texas Reliability Entity, the Federal Energy Regulatory Commission, and the North American Electric Reliability Corporation
  • Assists clients on electric generation issues, contract litigation, electric transmission and transmission routing issues, utility rate cases and rate proposal matters, pipeline matters, gas storage matters, tax matters, and contested compliance and enforcement matters

Government Affairs

  • Assists clients in obtaining favorable legislative outcomes on a variety of issues, including electricity, oil and gas issues, biofuels, tax, environmental regulations, and gaming
  • Assists clients in all aspects of the legislative process, including legislative strategy, negotiations, bill drafting, lobbying, coalition management, grassroots strategies, and legislative monitoring

Prior Experience

  • Law Clerk, Honorable Emilio M. Garza, Fifth Circuit Court of Appeals, 1995-1996


  • The Best Lawyers in America® by Woodward/White Inc. (Administrative/Regulatory Law, Energy Law); 2006-2019
  • Chambers USA by Chambers & Partners (Energy: State Regulatory & Litigation (Electricity); 2011-2018
  • "Recommended Attorney," The Legal 500 US by Legalease (Industry Focus: Energy: Regulatory; Industry Focus: Energy: Litigation); 2013-2018
  • Texas Rising Star, Texas Monthly; 2005-2006

Activities (Memberships/Affiliations)

  • Member, Travis County Bar Association
  • Member, American Bar Association
  • Member, State Bar of Texas