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Sean D. O'Brien

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Practice areas:

Criminal Defense

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Practice Areas

Licensed since 1980

  1. Criminal Defense: 100%

Attorney Endorsements

3 total 

  • Michael S. Waddington

    I endorse Sean. He is a highly skilled attorney that is well respected in the legal community.


    Michael Waddington Military Law Attorney
    Relationship: Fellow lawyer in community

  • Stephanie Marie Burton

    I endorse this lawyer. Sean was my professor in law school and by far the most knowledgeable I have ever come across. His criminal procedure and post conviction courses changed the way I viewed the entire legal system. I can't say I have ever come across a better man or a better lawyer, nor have I seen one so passionate about the law and teaching.


    Stephanie Burton Criminal Defense Attorney
    Relationship: Worked for lawyer

Contact Info

Public Interest Litigation Clinic

305 E 63rd St
Kansas City, MO, 64113



MOGood Standing, Active198001/08/2013

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.

Avvo Contributions

Legal Answers


Award NameGrantorDate Granted
Civil Liberties AwardAmerican Civil Liberties Union2003
Lawyer of the YearMissouri Lawyers Weekly2003
Annual Recognition AwardMissouri Association of Criminal Defense Lawyers1994
Annual Recognition Awardmissouri association of Social Welfare1994
Social and Economic Justice AwardNational Lawyers Guild1993


Publication NameTitleDate
MoBarCLE publication"Jury Instructions"2005
National Law Journal"Racism in White Decision"1999
MoBarCLE publication"Voir Dire and Jury Selection"1996
MoBarCLE publicationInvestigating Psychological Defenses1990
William Mitchell Law Review"A Step Towards Fairness in Capital LItigation"1990
MoBarCLE publication"Trial Objections"1989


School NameMajorDegreeGraduated
University of Missouri - Kansas City School of LawLawJD - Juris Doctor1980
Northwest Missouri State UniversityN/ABA - Bachelor of Arts1977

Speaking Engagements

Conference NameTitleDate
Telling a New and Persuasive StoryCriminal Defense2005
Prosecutorial Misconduct in Innocence CasesCriminal Defense2005
The American Bar Association Guidelines on the Performance of Counsel in Capital CasesCriminal Defense2004
Jury Selection in Capital CasesCriminal Defense2004
Investigating Penalty Phase DefenseCriminal Defense2004

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