Alexandria Marie "Alex" Twiss

Jason Cassady is a principal at Dallas’ Caldwell Cassady & Curry who focuses on intellectual property litigation and complex commercial litigation. Mr. Cassady provides clients with extensive federal trial experience, including courtroom victories in patent cases involving diverse technologies such as secure computer networking, integrated circuits, video game controllers, and computer operating systems. He also has represented parties on both sides of the aisle in areas such as dri...

Robert P. Dougherty III is a top attorney recognized by Best Lawyers in the practice area(s) of Oil and Gas Law. Robert P., who practices law in Dallas, Texas, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert P. is held by other top lawyers in the same geographic and legal practice area.

Katrina G. Eash is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Intellectual Property. Katrina G., who practices law in Dallas, Texas, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katrina G. is held by other top lawyers in the same geographic and legal practice area.

David, who once was described at a national legal symposium as the “Swiss Army Knife of IP Attorneys,” is a highly respected figure in the legal field renowned for his extensive and diverse expertise. He holds the distinction of being a registered patent attorney in the U.S. and Canada, a first-chair federal litigator, and the external general counsel for a group of privately held companies. With a client-focused approach built on a wealth of experience, David is an exceptional re...

Mary L. O’Connor’s practice focuses on representing public companies and their officers and directors in commercial litigation and arbitration, securities litigation, internal investigations, and regulatory investigations and enforcement proceedings. Ms. O’Connor is a member of the Commercial Panel of the American Arbitration Association and is a FINRA arbitrator.

Clark H. Rucker is a partner in the Oil & Gas/Energy division of the firm, where he focuses on litigation and transactions related to the oil, gas, and energy industries. His clientele includes a variety of entities such as oil and gas exploration firms, midstream companies, propane and liquefiable fuel companies, mineral funds and companies, and large landowners. Additionally, Mr. Rucker extends his legal expertise to non-energy litigation, real estate transactions, intellectual property...

Trey Cox a litigation partner with Gibson Dunn. He is an accomplished and sought after advocate and trial lawyer. He has spent his entire professional life as a courtroom attorney and litigator helping clients resolve large, complicated and often high-profile business disputes. His courtroom experience is unusually broad and extensive. He has tried over 35 cases involving trade secrets, breach of fiduciary duty, securities fraud, product liability, trademark, insurance coverage, energy, oil a...

Practice Areas Labor & Employment Law Arbitration/Mediation/ADR Practice Emphasis Ms. Carr is Board Certified in Labor & Employment Law by the Texas Board of Legal Specialization, and is an experienced mediator and arbitrator. Her expertise is in representing employers in all matters arising out of the employment relationship, including litigation defense, risk management, training, consultation, and representation during government audits. Ms. Carr has first chair trial experience in...

Camisha L. Simmons is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Camisha L., who practices law in Dallas, Texas, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Camisha L. is held by other top lawyers in the same geographic and legal practice area.

Michelle White Suarez is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Michelle White, who practices law in Dallas, Texas, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michelle White is held by other top lawyers in the same geographic and legal practice area.