Ross Leonoudakis

Ross Leonoudakis joined Nix Patterson in 2013 and is a member of the firm’s commercial litigation, personal injury, oil & gas, and intellectual property litigation teams. Ross also represents victims of childhood abuse across the country. In addition to pursuing the perpetrator of abuse, Ross exposes systemic failures within organizations that should have protected children, including churches, schools, doctor’s offices, places of business, and other entities. In 2018, Ross tried a sexual abuse case to a jury in Montana resulting in a $35 million verdict. 

Ross also represents clients in personal injury cases often with life threatening injuries resulting from car and truck wrecks, product defects, or unsafe premises. 

Ross has substantial experience in all aspects of intellectual property litigation, including patent litigation, copyright, trademark and false advertising litigation, and trade secret disputes. He has litigated in technology fields as diverse as video compression, networking, software and hardware, communications, enterprise management solutions, semiconductors, consumer electronics, and medical devices.

Ross was part of Nix Patterson’s opioid litigation team that recovered over $900 million on behalf of the State of Oklahoma from 2018 to 2023. Ross was also part of the Nix Patterson trial team that was awarded $150 million verdict against an oil and gas company for failure to pay the proper amount of royalties. 

Ross graduated from the University of Texas at Austin and cum laude from Baylor Law School where he was the Articles & Notes Editor for the Baylor Law Review. Ross is a member of the Texas Trial Lawyers Association and the Touchdown Club of Dallas which raises money for Ashford Rise School of Dallas for children with disabilities. Ross is admitted to practice in Texas and Oklahoma. Ross’s principal place of business is Austin, Texas.

Practice Areas
  • Baylor University School of Law, Juris Doctor, cum laude, 2013
  • University of Texas at Austin, B.B.A., Finance
  • Professional Associations and Memberships
  • Texas Trial Lawyers Association
  • Touchdown Club of Dallas
  • Bar and Court Admissions
  • Texas
  • Oklahoma
  • Eastern District of Texas
  • Western District of Texas
  • Eastern District of Oklahoma
  • Western District of Oklahoma
  • Professional Honors and Presentations
  • Baylor University School of Law, Juris Doctor, cum laude
  • Baylor Law Review, Articles & Notes Editor
  • Presentation: Child Sex Abuse Litigation CLE, Eagle Pass, TX (March 9, 2023)
  • Nix patterson, LLP

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