Stephen J. O'Brien
About Stephen J. O'Brien
Stephen J. O'Brien is a lawyer based in St. Louis, MO and has been recognized in The Best Lawyers in America® since 2024. Stephen J. O'Brien is recognized in the following practice area:
-
St. Louis, Missouri
- Commercial Litigation
Current Firm: Dentons U.S. LLP
Education: Harvard University, J.D., graduated 1991
Location: St. Louis, MO
Nearby Lawyers
Stephen Daiker focuses his practice on estate, gift and income tax planning for high net-worth individuals, charitable planned giving, and succession planning for owners of privately-held businesses. He is a frequent speaker on these topics and has written articles for numerous publications, including Taxation for Accountants, taxation for Lawyers, The Florida Bar Journal, The Journal of the Missouri Bar, The Journal of Financial Planning, and the Tax Management Journal of Estates, Gifts and ...
Maurice B. Graham is President of Gray Ritter Graham and concentrates his practice in the areas of complex business and commercial litigation and catastrophic injury and death cases. He is a frequent speaker and author in the areas of litigation and legal ethics. Mr. Graham was educated at Central Methodist University and the University of Missouri, where he received both his B.A. and J.D. degree. He is admitted to practice before the United States Supreme Court and the Fifth, Eighth and Nint...
Diane Robben is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Diane, who practices law in St. Louis, Missouri, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Diane is held by other top lawyers in the same geographic and legal practice area.
Trevor A. Sondag is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Defendants and Product Liability Litigation - Defendants. Trevor A., who practices law in Belleville, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Trevor A. is held by other top lawyers in the same geographic and legal practice area.
Mark H. Levison is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Copyright Law. Mark H., who practices law in St. Louis, Missouri, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark H. is held by other top lawyers in the same geographic and legal practice area.
Anne Lageson is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Anne, who practices law in St. Louis, Missouri, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anne is held by other top lawyers in the same geographic and legal practice area.
Luther W. Simmons, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Luther W., who practices law in Alton, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Luther W. is held by other top lawyers in the same geographic and legal practice area.
Sarah J. Luem is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships) and Real Estate Law. Sarah J., who practices law in St. Louis, Missouri, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sarah J. is held by other top lawyers in the same geographic and legal practice area.
Jacque Albus is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Trusts and Estates. Jacque, who practices law in St. Louis, Missouri, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jacque is held by other top lawyers in the same geographic and legal practice area.
Daniel J. Bruntrager is a top attorney recognized by Best Lawyers in the practice area(s) of Municipal Law and Personal Injury Litigation - Plaintiffs. Daniel J., who practices law in St. Louis, Missouri, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel J. is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
Common-Law Marriage in Indiana: Are You Legally Protected?
by Laurie Villanueva
Understanding cohabitation rights and common-law marriage recognition in Indiana.
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.