Kate Rumsey is special counsel in the Governmental Practice Group in the firm's Dallas office. Kate is a former federal prosecutor and experienced trial lawyer.

Areas of Practice

Kate served as a federal law clerk to Judge Barbara M.G. Lynn in the Northern District of Texas and was a senior associate in the litigation and white collar groups of a global law firm. She then served as an Assistant U.S. Attorney in the Northern District of Texas, Dallas Division, and Western District of Virginia, Charlottesville Division. She started her prosecutorial career on the DOJ’s health care strike force team and therefore has specific experience in health care fraud and parallel investigations. 

As a federal prosecutor, Kate was also responsible for investigating fraud, public corruption, cyber threats, identity theft, overprescribing opioids, and FDA misbranding violations. Kate has worked with many federal and local agencies, including FBI, DEA, ATF, HHS, FDA, ICE, IRS, OSHA, EPA, Department of Defense, Department of Agriculture, Department of State, and Secret Service, among others. For her work as a prosecutor, Kate has received several awards, including a Special Commendation from the U.S. Attorney General for work on an FDA matter. 

Kate has also served as a JAG officer in the U.S. Air Force Reserves, where she has participated in courts martial and contested discharge boards. She won an award for public speaking while at Officer Training School.

Between private and government practice, Kate has successfully tried numerous cases to a jury and has extensive first-chair trial experience. Kate has also regularly handled matters on appeal and has therefore litigated and argued before several federal appellate courts.



Prior White Collar Experience

  • Represented senior executive of medical device company in an alleged $400 million criminal accounting fraud case brought in the US District Court for the Western District of Texas.
  • Represented worldwide medical dialysis company in connection with an FCPA investigation, including conducting internal investigations in Brazil and Germany; advising on improvements to its compliance program; coordinating legal advice in more than 50 countries; and editing compliance documents for its worldwide centers.
  • Successfully represented a global auto-parts manufacturer in connection with price-fixing allegations. Conducted an internal investigation and avoided U.S. prosecution.



Government Contracts & Investigations Blog Posts


J.D., New York University, 2008

B.B.A., University of Notre Dame, 2005


  • Law Clerk to The Honorable Judge Barbara M.G. Lynn, the Northern District of Texas


  • Texas
  • New York
  • Northern District of Texas
  • Eastern District of Texas
  • Western District of Texas
  • Southern District of Texas
  • Western District of Virginia
  • U.S. Court of Appeals, Fourth Circuit
  • U.S. Court of Appeals, Fifth Circuit
  • U.S. Court of Appeals, Seventh Circuit
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