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About me


Sean Chapman has been an attorney in Arizona since 1988.  He has received numerous awards and accolades from his peers for his skills as a trial attorney.  He is an "AV" rated lawyer by Martindale Hubbell.


Sean has been interviewed as a legal expert on many high profile cases by local television and newspapers.  Many of the cases he has tried have been reported on in the national press, including on CNN and in the New York Times.


Languages spoken: Spanish

Photos and videos

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Practice areas


  1. Federal Crime: 24%
  2. Criminal Defense: 24%
  3. White Collar Crime: 24%
  4. Violent Crime: 23%
  5. Sex Crime: 5%


Payment types:

Cash, Check, Credit card

Attorney endorsements

7 total 

Are you an attorney? Endorse this lawyer

  • Alec John Hanus

    I endorse this lawyer. Sean Chapman is truly a serious lawyer for very serious cases. I strongly believe in his ability to help people who are in the most difficult legal circumstances.


    Alec Hanus DUI and DWI Attorney
    Relationship: Fellow lawyer in community

  • Dina M Dieglio

    I endorse this lawyer. Mr. Chapman fights for his clients. Reliable and professional.


    Dina Dieglio DUI and DWI Attorney
    Relationship: Fellow lawyer in community

Contact info

Law Offices of Sean Chapman PC

100 N Stone Ave Ste 701
Tucson, AZ, 85701-1539


AZActive 198807/11/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
AV Peer Review RatingMartindale-Hubbell2013
AV Peer Review RatingMartindale-Hubbell2012
AV Peer Review RatingMartindale-Hubbell2011
AV Peer Review RatingMartindale-Hubbell2010
AV Peer Review RatingMartindale-Hubbell2009
AV Peer Review RatingMartindale-Hubbell2008
AV Peer Review RatingMartindale-Hubbell2007
AV Peer Review RatingMartindale-Hubbell2006
AV Peer Review RatingMartindale-Hubbell2005
National Prosecutor of the YearFederal Law Enforcement Officers Association2004
Outstanding Prosecution of Corruption in U.S. goverenmentOffice of Inspector General2002
Certificate of Appreciation/Drug Enforcement as prosecutorDrug Enforcement Administration2002
Director's Award for Superior Performance as ProsecutorUnited States Department of Justice2001
Work experience
TitleCompany nameDuration
OwnerLaw Office of Sean C. Chapman PC2004 - Present
Assistant U.S. AttorneyUnited States Attorney's Office For the District of Arizona1997 - 2004
AssociateChandler, Tullar, Udall and Redhair1995 - 1997
Felony Trial AttorneyPima County Public Defender's Office1990 - 1994
AssociateJennings Strouss & Salmon, PLC1988 - 1990
Association namePosition nameDuration
The National Association of Distinguished CounselNation's Top Attorneys2015 - Present
The National Trial LawyersTop 1002015 - Present
National Association of Criminal Defense AttorneysMember2004 - Present
Arizona Association of Criminal Defense AttorneysMember2004 - Present
Legal cases
Case nameOutcome
State v. GibsonDismissal prior to trial
State v. UribeNot Guilty
United States v. CoombsNot Guilty
See all legal cases 
Publication nameTitleDate
Arizona Law ReviewBatson v. Kentucky: A Significant Step Toward Eliminating Discrimination In The Jury Selection Process1987
School nameMajorDegreeGraduated
University of Arizona College of LawLawJD - Juris Doctor1988
University of Arizona College of LawHistoryBS - Bachelor of Science1980
Speaking engagements
Conference nameTitleDate
Guest PanelistFederal Discovery Panel2008
Guest LecturerHow a Defense Attorney Analyzes a Federal Case2008
Guest LecturerVictims Rights and Witness Advocacy in the Federal Courts2007
Guest LecturerVictims Rights and Witness Advocacy in the Federal Courts2006
SpeakerFederal Criminal Practice2005
Guest LecturerFederal Death Penalty Proceedings2005
SpeakerFederal Sentencing Guidelines2003
"Federal Sentencing: How 'Bout Dem Guidelines?"Federal Sentencing Guidelines2003
SpeakerFederal Criminal Procedure Seminar2001