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Strategic
Determined
Accomplished

What We Do

SDM is an Austin-based boutique litigation firm. We commit our significant experience and resources for each and every client. For details regarding our practice in a specific area of law, select an area below to learn more.

Litigation

SDM earned its reputation as one of the finest trial and appellate firms anywhere through decades of real courtroom experience in high-stakes disputes. Our deep roster of advocates serves our clients well not only in the courtroom but also at the negotiating table.

Oil, Gas & Energy

SDM is a leader in Texas oil, gas, and energy law. The firm’s foundation is built on representing generations of clients in cases before the courts, the Texas Railroad Commission, the Texas General Land Office, and University Lands.

State & Local Tax Disputes

SDM is among the state’s foremost authorities in resolving tax disputes with the Texas Comptroller. From litigation in administrative hearings or in state court to advice regarding tax saving strategies, we handle the full complement of state and local tax issues.

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Trending at SDM

News & Insights

Case Highlights

SDM Defeats Class Certification in Helms-Burton Act Claims

In an order issued today, U.S. District Judge Federico A. Moreno denied the plaintiff’s motion…

Case Highlights

U.S. District Court Affirms Ruling In Favor Of SDM Client EP Energy

On September 30, 2024, United States District Judge Charles Eskridge, sitting as an appellate court…

Case Highlights

Jury awards $17.9M in patent trial

After a week-long jury trial in federal court in Waco, the jury returned a verdict…