Daniel L. O'Neil

Norton Rose Fulbright US LLP

United States
T:+1 713 651 5530
United States
T:+1 713 651 5530
Daniel L. O'Neil

Daniel L. O'Neil



Daniel L. O'Neil, an experienced dispute resolution and litigation lawyer, joined Norton Rose Fulbright's Houston office in 2019. Daniel is a member of the firm's Products, Pharma, Medical, and Mass Tort practice where he pursues creative solutions to resolve complicated issues.

Daniel is admitted to practice in Texas, the Southern and Northern Districts of Texas, Fifth Circuit Court of Appeals, US Tax Court, and the Supreme Court of the United States.

Professional experience

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LLM, University of Houston Law Center, 2011
JD, South Texas College of Law, 2010
BA, Psychology and History, Southern Methodist University, 2007

International Studies certificate programme, University College ("Univ."), University of Oxford, 2006

  • Texas State Bar
  • Representation of electric and gas utility in a variety of lawsuits involving property rights, property damage, personal injury, breach of contract, and other claims.
  • Routinely defend healthcare institution against intrusive non-party discovery in multiple forums.
  • Obtained $1.37m in penalty relief for energy industry client in tax controversy & litigation.
  • Sustained $2.1m business credit for pharmaceutical industry client in tax controversy & litigation.
  • First-chaired deposition of a multinational chemical industry executive in a defamation matter.
  • Prior experience with aviation, maritime, and pipeline catastrophic incident defense.
  • Elected a Fellow of the Texas Bar Foundation.
  • Mayor Turner proclaimed October 1, 2018 as Daniel O'Neil Day in the City of Houston for his history of local volunteer service.
  • Designated as a "Probate Master" by the Houston Volunteer Lawyers.
  • Awarded the Outstanding Small Firm Contribution Award to the Houston Volunteer Lawyers by the Houston Bar Foundation, 2017.
  • SBOT Pro Bono College.
  • SBOT Care Committment Pledge.
  • College of the State Bar of Texas.
  • Co-Chair of the Houston Young Lawyers Association (HYLA) Monthly CLE Committee for bar year ending 2020.
  • Volunteer Attorney service through Will-A-Thon, Houston Area Women's Center (HAWC) legal clinics, Texas Law Help legal clinics, and more.
  • Non-legal volunteer service with Meals on Wheels, Houston Food Bank, SEARCH Homeless Services, Houston Humane Society, Ronald McDonald House, Houston Bar Association's "Teach Texas" Program at HISD's Lanier Middle School, and more.