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About me

Navigating the legal system, no matter the issue, can be one of the most stressful experiences in a person’s life.  At the Law Office of Kathrine M. Armstrong clients are treated with courtesy and respect.  The Law Office of Kathrine M. Armstrong is committed to providing personal one on one representation to all of its clients.  The Law Office of Kathrine M. Armstrong guides clients through the legal process with as little stress and as much comfort as possible.


Kathrine "Katie" Armstrong is a former prosecutor that spent over 7 years with the Gwinnett County Solicitor's Office.  Although Katie enjoyed serving the citizens of Gwinnett County as prosecutor she is thrilled to be serving people on a more personal level.  Katie was responsible for prosecuting cases from simple traffic citations to battery, possession of marijuana, thefts, and DUI’s.  Katie’s previous experience gives her an edge over other attorneys.  When you have Katie Armstrong as your defense attorney you are not only getting a zealous advocate that knows the law, but also someone that has been on both sides of the courtroom.  When your liberties are at risk you want Katie Armstrong on your side.


The Law Office of Kathrine M. Armstrong provides more than just criminal defense.  Katie is here for your family law and probate needs as well.  Do you need assistance with a will or estate planning? Do you need representation for a divorce or issues involving child custody, alimony or child support?  If so, Katie is ready, willing, and able to provide the professional representation you deserve in your time of need.


Call or email today to set up a consultation to discuss your legal needs.




Practice areas


  1. Criminal Defense: 50%
  2. Divorce & Separation: 25%
  3. Family: 15%
  4. Wills & Living Wills: 10%


Payment types:

Cash, Check, Credit card

Attorney endorsements

3 total 

Are you an attorney? Endorse this lawyer

  • June Nephew Lynn

    I had the pleasure of working with Ms. Armstrong on a custody matter. She is a strong advocate in the courtroom. I heartily endorse her for both criminal defense and family law matters.


    June Lynn Divorce & Separation Attorney
    Relationship: Worked together on matter

  • Talal B. Ghosheh

    Katie is very knowledgeable of the law and is a pleasure to work with.


    Talal Ghosheh Personal Injury Attorney
    Relationship: Opposing Counsel on matter

Contact info

Law Office of Kathrine M. Armstrong P.C.

292 S. Culver Street
Lawrenceville, GA, 30046


GAActive Member in Good Standing 201111/07/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Association namePosition nameDuration
Georgia Association of Criminal Defense LawyersN/A2013 - Present
Gwinnett Criminal Defense BarN/A2013 - Present
Gwinnett County Bar AssociationN/A2011 - Present
School nameMajorDegreeGraduated
John Marshall Law School, AtlantaLawJD - Juris Doctor2010
University of Georgia School of LawPsychologyBS - Bachelor of Science2005
University of Georgia School of LawCriminal JusticeBA - Bachelor of Arts2005