Heather A. Lohman
Heather Lohman represents clients in a variety of litigation matters including energy, securities, commodities, mass tort, intellectual property and antitrust litigation matters.


Ms. Lohman has handled a wide range of appellate matters, including federal and state appeals, mandamus proceedings, and certiorari proceedings before the Supreme Court of the United States.

She has represented clients in a wide variety of commercial and financial arbitration proceedings in various forums (both self-administered and administered by a governing body, such as AAA and FINRA). She also has represented clients in administrative proceedings before the Federal Energy Regulatory Commission, Commodity Futures Trading Commission, and Federal Trade Commission (Antitrust Division).

Ms. Lohman has extensive experience in conducting internal investigations relating to the Foreign Corrupt Practices Act, potential accounting irregularities, compliance practice and corporate governance issues, and improper business practices.

Ms. Lohman’s representations have included, among others:

  • a plaintiff suing over breaches of representations and warranties made in a $630 million purchase of well service companies, including a pressure-pumping company and related subsidiaries;
  • a major energy and pipeline company in multiple cases brought by private individuals in Texas state and federal court alleging natural gas price manipulation;
  • a foreign electronic company in international arbitration alleging intellectual property and theft of trade secrets arising out of alleged misappropriation of side-scan sonar technology;
  • several major energy companies and their boards of directors in shareholder actions seeking to enjoin mergers and acquisitions based on breach of fiduciary duty allegations, including:

    • Superior Energy Services, Inc. in connection with shareholder class actions challenging its proposed merger with Complete Production Services, Inc.;
    • Dynegy, Inc. in connection with shareholder class actions challenging its proposed acquisition by Blackstone;
    • XTO Energy Inc. in connection with shareholder actions seeking to enjoin Exxon Mobil Corporation’s $41 billion acquisition of XTO;
    • BJ Services Company in connection with shareholder class actions challenging the $5.5 billion acquisition of BJ Services by Baker Hughes Incorporated;
    • Basell in connection with shareholder actions challenging its acquisition of Lyondell Chemical; and
    • the special committee of Kinder Morgan, Inc. in an action to enjoin a going-private transaction;
  • a waste heat energy plant in a contract dispute with its cogeneration partner in arbitration and subsequent appellate proceedings; and
  • Chicago Bridge & Iron Company in an appeal of administrative proceedings brought by the FTC ordering divestiture of a portion of the company.

Ms. Lohman maintains an active pro bono practice and represents clients in immigration matters and nonprofit corporate litigation. She also served as a Foundation Board Member for the Association of Women Attorneys.



  • J.D., Harvard Law School, 2000
  • B.S., Texas A & M University, 1997


  • Texas

Heather A. Lohman