Allison Cook


Allison Cook is a trial and appellate lawyer who represents businesses and individuals in high-stakes litigation. She has experience in a variety of commercial litigation with an emphasis on representing Relators in qui tam cases filed under the False Claims Act. In that capacity, Allison has developed specialized knowledge of healthcare fraud, defense procurement fraud, and cybersecurity fraud. In 2021, Allison was a part of the trial team that secured a $36-million unanimous jury verdict in a declined defense procurement False Claims Act case in the Northern District of Alabama (United StatesĀ ex rel. Marsteller v. MD Helicopters, Inc.).

Allison also represents whistleblowers who submit tips relating to securities fraud under the SEC Whistleblower Program.

Before joining Reese Marketos, Allison worked as a litigation associate at Jackson Walker LLP. After several years in private practice, Allison gained valuable insight as a law clerk to the Honorable Karen Gren Scholer for the Northern District of Texas.

Allison obtained her juris doctor degree from SMU Dedman School of Law, where she graduated as the valedictorian and served as the Editor-in-Chief of the SMU Law Review.


  • SMU Dedman School of Law Juris Doctor, with highest honors, 2017; Valedictorian; Editor-in-Chief, SMU Law Review; Sumners Scholar; Order of the Coif
  • University of Texas at Austin B.A., Government, with highest honors, 2013; Phi Beta Kappa


  • Texas Supreme Court
  • U.S. District Court for the Northern, Southern, Eastern, and Western Districts of Texas


  • Top 100 Verdict 2021, The National Law Journal