Amy C. Allen

Shawn Bates has more than 22 years of practice in commercial litigation in the energy industry and across numerous other industries. He is a seasoned first-chair trial lawyer, handling cases worth tens of millions. He has conducted hundreds of depositions and supervised trial teams on matters of varying size. He focuses his practice on litigation and arbitration of complex disputes for clients in the energy sector (oil and gas companies, oilfield supply and support companies, pipeline builder...

Mingda Zhao is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Mergers and Acquisitions Law. Mingda, who practices law in Houston, Texas, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mingda is held by other top lawyers in the same geographic and legal practice area.

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

John Schwambach focuses his practice on the trial and appeal of complex commercial disputes. Mr. Schwambach handles complex civil matters in both state and federal courts. He has briefed and argued many appeals and original proceedings in mandamus before Texas appellate courts, including the Texas Supreme Court and the First, Third, Fourth, Fifth, Sixth, Eighth, Ninth, Tenth, Thirteenth, and Fourteenth Courts of Appeals. Mr. Schwambach has also briefed and argued numerous pre-trial motions in...

Tasha Taylor has distinguished herself as a coverage litigation and appellate specialist. Tasha handles insurance coverage and extra-contractual litigation involving a wide array of first- and third-party claims in Texas and nationwide. She advises her clients on resolving and managing complex claims arising out of a variety of policies, including commercial general liability, commercial auto, employer’s liability, control of well, director and officer’ liability, excess and umbre...

Pete T. Patterson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Banking and Finance. Pete T., who practices law in Houston, Texas, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pete T. is held by other top lawyers in the same geographic and legal practice area.

W. Cleland Dade is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Energy Law and Mergers and Acquisitions Law. W. Cleland, who practices law in Houston, Texas, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which W. Cleland is held by other top lawyers in the same geographic and legal practice area.

For more information, please visit www.gibsondunn.com/lawyer/prichard-shalla/ .

Jon Paul helps construction and energy companies solve problems as efficiently as possible. Jon Paul is often called to serve as a trusted legal advisor to his clients, providing a 360-degree approach to risk management, litigation and general business issues. His practice focuses on advising clients in the construction, energy, and oil and gas industries. He often represents general contractors, subcontractors, oil field service companies, product and equipment manufacturers, as well as prop...

One of the nation’s leading tax controversy and planning attorneys, Richard Husseini brings to bear his 30 years of experience to successfully represent private and public companies and high-net-worth individuals in complex tax matters. He is described as “bright and thoughtful; a very good litigator” (Chambers USA 2022) and as “a national leader in tax disputes” whose “knowledge of the sector is very high” (Legal 500 US 2022). Richard is recognized b...