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About me

SONJA R. PORTER is the owner of Sonja R. Porter, Attorney at Law, PLLC, which she started on October 1, 2011.  Prior to that she was an associate and member of the DUI Defense Team of Fabian & Associates, Inc., P.C, one of the first DUI defense firms.  She focuses her practice in DUI law, traffic laws, criminal procedure, and expungements. Prior to that, she was an Assistant District Attorney for Oklahoma County and personally prosecuted hundreds of DUI cases in addition to other criminal charges. She has been commended by judges, opposing counsel, and others for her work in the courtroom. Since leaving the DA’s office, Ms. Porter has defended those who have been charged with DUI, other criminal charges, violations of probation, and has assisted individuals with expunging their records.

She continues to educate herself in order to stay current about the various changing aspects of this field in order to successfully defend and negotiate DUI cases and to share her knowledge with others individually and in seminars.

She has been certified as an Independent Specialist of the Intoxilyzer 5000-D and as an Independent Operator of the Intoxilyzer 8000 by Oklahoma’s Board of Tests for Alcohol and Drug Influence. She has completed the NHTSA/IACP Standardized Field Sobreity Testing Student Course


Photos and videos

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Practice areas


  1. DUI & DWI: 90%
    17 years
  2. Criminal Defense: 10%
    12 years



Free consultation (30 minutes)

Payment types:

Cash, Check, Credit card

Attorney endorsements

21 total 

Are you an attorney? Endorse this lawyer

  • Edward M. Blau

    Sonja works hard to get the best results possible for her clients. She is a skilled advocate.


    Edward Blau Criminal defense Attorney
    Relationship: Fellow lawyer in community

  • Frank A. Urbanic

    I endorse Sonja. She is incredibly knowledgeable in her field, and she has frequently mentored me. We are teammates on an Oklahoma Bar section leadership committee where she provides exceptional leadership.


    Frank Urbanic Criminal defense Attorney
    Relationship: Worked together on matter

Contact info

Sonja R. Porter, Attorney at Law, PLLC

620 N. Robinson Ave., Suite 203
Oklahoma City, OK, 73102


OKAuthorized to practice law199907/21/2010
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
National Member of the Order of BarristersOklahoma City School of Law1999
Work experience
TitleCompany nameDuration
OwnerSonja R. Porter, Attorney at Law, PLLC2011 - Present
AssociateFabian and Associates, Inc PC2003 - 2011
Assistant District AttorneyOklahoma County District Attorney's Office1999 - 2001
Association namePosition nameDuration
Christian Legal SocietyMember2011 - Present
Canadian County Bar AssociationMember2011 - Present
William J. Holloway, Jr. American Inn of CourtCo-Administrator2010 - Present
Cleveland County Bar AssociationMember2010 - Present
National College of DUI DefenseMember2009 - Present
Oklahoma Criminal Defense Lawyers AssociationMember2008 - Present
Oklahoma County Bar AssociationMember2005 - Present
Phi Delta Phi legal fraternityMember1996 - Present
Legal cases
Case nameOutcome
State v S.W.Dismissed by Court
State v. M.M.Case dismissed by Judge
See all legal cases 
Publication nameTitleDate
Oklahoma Bar JournalDUI Law: A Trial of Tests2013
self publicationThe DUI Diva's Guide to Changes to DUI Law Coming November 1, 20112011
School nameMajorDegreeGraduated
Oklahoma City University School of LawLawJD - Juris Doctor1999
Bob Jones UniversityPre-LawBA - Bachelor of Arts1995
Speaking engagements
Conference nameTitleDate
Annual Criminal HodgepodgeHandling DPS side of a DUI2013
Practical DUI Defense Techniques & TipsCross Examination on Breath Tests and Updates in DUI Law2012
Drugs, Dogs, and What to do when your client breaks badEthical Considerations in Criminal Cases2012
Annual Criminla HodgepodgeUpdates on Expungments2012
Annual Criminal HodgepodgeDUI, DPS and Expungment Updates2012
DUI in OklahomaLegislative and Case Law Updates; Ethical Considerations2011
Discovery and Evidence In the Era of Social MediaThe Use of Social Media and Internet Evidence in Criminal Cases2011
Criminla Law HodgepodgeEthical Considerations2011
Strategies in Defending DWI and DUI casesObtaining and Using Videos2009
17th Annual Criminal HodgpodgeCDLs, Expungements, and Videos2008
Oklahoma Bar Association Solo and Small Firm ConferenceNuts and Bolts of a DUI2006
Advanced Strategies in Handling DUI Cases in OklahomaOpen Records Act2005