Jaime R. Barrios

Jaime Barrios is an associate in Gibson Dunn’s Dallas office. He is a member of the firm’s Appellate and Constitutional Law practice group.

Jaime is a trusted litigator and advocate, specializing in high-stakes appeals and critical motions across several subject-matter areas. He has represented clients in their most complex and time-sensitive matters before the U.S. Supreme Court, the Texas Supreme Court, and state and federal courts throughout the country. Jaime has successfully litigated cases involving arbitration, class actions, contracts, wage-and-hour disputes, constitutional law, and state enforcement actions.

Recent Representative Matters

• Secured a $296 million jury verdict—one of the highest in Arizona history—as trial counsel on behalf of Arizona real estate development companies Gray Development and Gray Services after a 12-day trial.  The American Lawyer recognized the trial team with its “Litigator of the Week” honors (October 2025).
• Defeated the State of Louisiana at the Louisiana First Circuit Court of Appeal on behalf of a Fortune 5 client.  Revived claim that the Louisiana Attorney General’s retention of private counsel under a contingency fee arrangement violates the Louisiana Constitution.
• Persuaded the Fifth Circuit to affirm a district court’s summary judgment on all claims in a qui tam False Claims Act action involving 28 federal- and state-law claims and over $250 million in claimed damages.
• Achieved a favorable settlement for Meta Platforms in a state enforcement action seeking $300 billion for Meta’s alleged capture and use of Texans’ biometric data in violation of Texas privacy law.

Jaime also maintains an active pro bono practice, focusing on religious liberty. Jaime recently persuaded the Ohio Sixth District Court of Appeals to dissolve a preliminary injunction that prevented an Ohio pastor from continuing his ministry. Jaime has also represented various organizations as amicus curiae in cases before the U.S. Supreme Court and the Texas Supreme Court. Lackey v. Stinnie, No. 23-621 (U.S.) (on behalf of Alliance Defending Freedom and Americans for Prosperity Foundation); Catholic Charities Bureau, Inc. v. State of Wisconsin Labor & Industry Review Commission, No. 24-154 (U.S.) (on behalf of Wisconsin Catholic Conference); Oklahoma Statewide Charter School Board v. Drummond, Nos. 24-394 & 24-396 (U.S.) (on behalf of First Liberty Institute); First Choice Women’s Resource Centers, Inc. v. Platkin, 24-781 (U.S.) (on behalf of Annunciation House, Inc.); Sullivan v. Texas Ethics Commission, No. 24-803 (U.S.) (on behalf of Texas Home School Coalition); In re Dallas County, No. 24-0426 (Tex.) (on behalf of Texas Business Law Foundation); Paxton v. Annunciation House, Inc., No. 24-0573 (Tex.) (on behalf of First Liberty Institute).

Before joining the firm, Jaime served as a law clerk to the Honorable Patrick J. Bumatay of the U.S. Court of Appeals for the Ninth Circuit.  Jaime also served as a law clerk to the Honorable Robert M. Brutinel, former Chief Justice of the Arizona Supreme Court.

Jaime graduated from Stanford Law School in 2021, where he served as a Senior Editor of the Stanford Law & Policy Review. He also participated in Stanford’s Religious Liberty Clinic. Jaime received his Bachelor’s in Music Performance, magna cum laude, from Arizona State University.

Jaime is a member of the Texas, California, and Arizona bars and is admitted to practice before the U.S. Court of Appeals for the Fifth Circuit and the U.S. District Courts for the Northern District of Texas and the District of Arizona.

Capabilities

• Appellate and Constitutional Law
• Class Actions
• Labor and Employment
• Litigation

Credentials

Education:

• Stanford University - 2021 Juris Doctor
• Arizona State University - 2018 Bachelor of Music

Admissions:

• Arizona Bar
• California Bar
• Texas Bar

Clerkships:

• US Court of Appeals, 9th Circuit, Hon. Patrick J. Bumatay, 2023
• Arizona Supreme Court, Hon. Robert M. Brutinel, 2021 - 2022