Darren G. Gibson

Jeannie Heffernan is an experienced trial lawyer who leads Kirkland’s IP litigation practice in Texas. She has won more than a dozen patent infringement trials in federal district courts across the country and at the International Trade Commission, with victories affirmed at the Federal Circuit. She represents clients in a wide range of fields, including computer networking, telecommunications, cryptography, semiconductors, and medical devices. Jeannie has particular experience leading ...

Stephen R. Butter, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), Corporate Law and Venture Capital Law. Stephen R., who practices law in Austin, Texas, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephen R. is held by other top lawyers in the same geographic and legal practice area.

Amy Warr came to Alexander Dubose & Jefferson after serving five years as an Assistant Solicitor General for the State of Texas. While at the Solicitor General's office, Amy handled many prominent appeals, including the challenge to the Ten Commandments monument on the Texas Capitol grounds in the United States Supreme Court and the 2005 School Finance case in the Supreme Court of Texas. At ADJT, Amy continues a high-level Texas and federal appellate practice. In 2008 she successfully rep...

Stephanie Cook has extensive experience with a wide range of business disputes, having successfully represented banks, insurance companies, owners, developers, and individuals in complex commercial and construction litigation and bankruptcy for over twenty years. She began her career at Winstead P.C. and worked in the Austin and Houston offices handling lender liability and workouts. She actively served in its leadership committee before moving back to Austin to work in a litigation boutique ...

Marnie A. McCormick is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law and Appellate Practice. Marnie A., who practices law in Austin, Texas, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marnie A. is held by other top lawyers in the same geographic and legal practice area.

Marla Broaddus is an advocate and problem solver. Whether a business or individual, her goal is to serve each client in a way that meets their unique needs and goals. She is an experienced litigator, representing clients in state and federal courts in every stage of litigation, from pre-trial investigation and discovery to trial and the appellate stages. Drawing upon her experiences in litigation, she understands the goals of trial counsel and knows how to assist in presenting a compelling ca...

John W. Thomas is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. John W., who practices law in Austin, Texas, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John W. is held by other top lawyers in the same geographic and legal practice area.

Laura P. Irani is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Laura P., who practices law in Austin, Texas, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Laura P. is held by other top lawyers in the same geographic and legal practice area.

Mr. Slinkard has substantial experience in corporate and business law, including mergers and acquisitions, corporate governance, securities law disclosure and compliance, contracts, litigation strategy, trade secrets, copyrights, covenants not to compete, franchising, intellectual property licensing, executive compensation and employee stock options. Areas of Emphasis Mergers and acquisitions Corporate and securities law Corporate governance issues Prior to rejoining the firm in 2000, Mr. Sli...

David R. Keyes represents companies and financial institutions with respect to loans and deposits, structured finance and securitization, project finance, sales of financial assets, energy transactions, check clearing and bank payments systems, letters of credit, bankers acceptances, loan workouts, lender liability, bank insolvencies and related acquisitions, reorganizations and conveyances, and in financial and commercial transactions in the energy, financial institutions, and technology ind...