Tim O'Neill's national litigation practice focuses on complex business litigation, commercial disputes and major product liability tort litigation. He represents major corporate defendants as regional and national trial counsel with extensive jury trial experience in numerous federal and state courts around the country. Tim is a Fellow of the American College of Trial Lawyers.
Tim’s practice also includes probate and trust litigation, including representation of corporate and individual trustees and estate administrators (executors and personal representatives) in a wide array of matters involving trust and estate administration. These matters often involve actions seeking to uphold or invalidate a will or trust on grounds of lack of capacity or undue influence, and/or claims of breach of fiduciary duty, elder abuse or financial exploitation.
Tim served as the Managing Partner of Snell & Wilmer's Denver office and a member of the firm's Executive Committee from 2000 through 2016.
Arizona State University (J.D., cum laude)
Arizona State University (B.S.)
American College of Trial Lawyers, Fellow
Colorado State Committee (2014-2018)
Jury Committee (2018-2020)
Product Liability Advisory Council, Sustaining Member
Defense Research Institute
International Association of Defense Counsel
American Bar Association
Colorado Fellows of the American Bar Foundation
Colorado Energy Coalition
Litigation Counsel of America, Fellow
"What You Need to Know About Preparing For and Taking Expert Depositions," Presenter, Rossdale Group CLE (October 4, 2019)
"Mastering the Use of Experts at Trial: Voir Dire and Opening Statement Considerations," Presenter, Rossdale Group CLE (December 1, 2018)
"Winning at Trial 2016: Practical Pointers," Moderator and Presenter, Colorado Bar Association/American College of Trial Lawyers CLE (November 4, 2016)
"Taking and Defending Powerful Depositions," Presenter, Rossdale Group CLE (October 13, 2016)
"Mastering the Use of Experts at Trial: Voir Dire and Opening Statement Considerations," Presenter, Rossdale Group CLE (December 1, 2015)
"Use of Social Media in Jury Selection: Ethics and Efficacy," Presenter, Colorado Bar Association/American College of Trial Lawyers CLE "Winning at Trial 2015: Skills and Tactics" (November 2015)
"Opening Statement: The Importance of a Compelling, Comprehensive, and Persuasive Opening Statement," Presenter, Colorado Bar Association/American College of Trial Lawyers CLE "Winning at Trial: Skills and Tactics 2014" (November 2014)
"Jurors and Social Media: Implications of ABA Formal Opinion 466," Presenter, Colorado Bar Association/American College of Trial Lawyers CLE "Winning at Trial: Skills and Tactics 2014" (November 2014)
"Deposing the Expert Witness," Presenter, Colorado Bar Association CLE series "On Depositions in Colorado" (January 2013)
"Ethical Considerations in Jury Selection: Use of Social Media," American Conference Institute Drug and Medical Device Litigation Conference (December 2012)
"Voir Dire and Opening Statements: Selecting the Right Jury and Setting the Framework for the Case," Strafford Publications Webinar (December 2011)
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