John O’Connor

Attorney / Shareholder

John O’Connor focuses his litigation practice on resolving complex commercial disputes across a broad spectrum of industries and has significant involvement representing clients in the financial industry.  He has particular experience with securities actions, fraud and bad faith litigation, class actions, corporate and contractual disputes, False Claims Act/Qui Tam litigation, and technology litigation. John is well-versed in conducting internal investigations and advising the boards of directors and executives of sophisticated corporate clients.  He has also litigated multiple contentious matters in some of the country’s largest bankruptcy proceedings, including plan confirmation disputes, claim disputes, and adversary proceedings.


2500 Dallas Pkwy, Suite 600

Plano, TX 75093


John O’Connor



  • J.D., cum laude, Southern Methodist University, Dedman School of Law, Dallas, Texas, 2007; President of the SMU Law Review Association
  • M.A., Pepperdine University, Malibu, California, 2003
  • B.S., Loyola Marymount University, Los Angeles, California, 2001


Admitted to Practice


  • State of Texas
  • State of New York
  • U.S. District Ct., N.D. of Texas
  • U.S. District Ct., S.D. of Texas
Professional Memberships and Affiliations


  • American Bar Association
  • Dallas Bar Association
  • Juvenile Diabetes Research Foundation, Past Member, Board of Directors, Dallas Chapter
  • Family Gateway, Host Committee, Day to Play Fundraiser
Honors and Distinctions


  • Named Texas Super Lawyers’ Rising Star® by Thomson Reuters (2018, 2019)
  • Selected to the Business Council for the Arts, Leadership Arts Institute (2016)
  • Selected to Dallas Association of Young Lawyers Leadership Class (2014)
  • Named 2012 Pro Bono Lawyer of the Year by the Dallas Volunteer Attorney Program
  • Recipient of the State Bar of Texas’s 2012 Frank J. Scurlock Award
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