J. Mark Little

Mark Little focuses his practice on complex legal and regulatory challenges. He has significant experience protecting clients’ interests through challenges to national, state, and local regulations. Most recently, Mark has been at the forefront of the legal challenges against state and local governments’ attempts to ban natural gas in new and existing buildings

Mark also represents clients in a broad range of appeals and original proceedings in federal and state courts across the country. He has argued a number of cases in courts ranging from the United States Court of Appeals for the Fifth Circuit to the Texas and Washington Supreme Courts.

Mark is on the Council of the Houston Bar Association's Appellate Section. He received his law degree from The University of Texas, where he graduated first in his class, was on the editorial board of the Texas Law Review, and received awards in trial advocacy and moot court competitions.

Before joining Baker Botts, Mark served as a law clerk to the Honorable J. Harvie Wilkinson III of the United States Court of Appeals for the Fourth Circuit.

Texas Super Lawyer-Rising Star (Thomson Reuters), 2015-2024

Best Lawyers: Ones to Watch in America - Appellate Practice (2025)

J.D., The University of Texas School of Law 2010
highest honors
Grand Chancellor (first in class)
Order of the Coif
Articles Editor, Texas Law Review
Teaching Quizmaster (teaching assistant for legal writing program)
Duberstein Moot Court Competition Finalist and Best Brief
Gardere Mock Trial Competition Champion

B.S., Psychology, Texas A&M University 2007
summa cum laude
Phi Beta Kappa

State Bar of Texas, Appellate Section

United States Courts of Appeals for the Third, Fourth, Fifth, Seventh, Eighth, Ninth, Tenth and D.C. Circuits

United States District Courts for the Northern, Southern, and Western Districts of Texas

United States District Court for the District of Colorado

United States Supreme Court

Council Member, Appellate Section, Houston Bar Association