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About me

Recognized attorney and former Fairfax County prosecutor providing personal attention and guidance with a clear strategy to reaching a favorable resolution. Mr. Phillips is a partner at LefflerPhillips, which provides quality legal counsel to individuals, corporations, health care providers, judges, lawyers, and law firms; serving the Northern Virginia region in all forms of criminal, traffic, civil, and I.T. law matters.

Prior to attending law school Mr. Phillips was an I.T. consultant in both the public and private sectors. In his capacity at the Commonwealth’s office Mr. Phillips handled thousands of misdemeanors and felony cases, taking over 100 cases to jury and bench trials in Fairfax County Circuit Court. Mr. Phillips has appeared in all Northern Virginia state and federal courts, protecting clients in both criminal and civil disputes.

Awards from Washingtonian, Nothern Virginia Magazine, Super Lawyers, Fairfax Bar Association, and more. 


Photos and videos

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Contact info

Practice areas


  1. Criminal Defense: 30%
  2. Domestic Violence: 20%
  3. DUI & DWI: 20%
  4. Juvenile: 20%
  5. Personal Injury: 10%


Payment types:

Cash, Check, Credit card

Attorney endorsements

14 total 

Are you an attorney? Endorse this lawyer

  • Jean Kathryn Humbrecht

    I endorse and highly recommend Mr. Phillips for anyone in need of a criminal defense attorney. I have known Mr. Phillips as both a prosecutor and defense attorney. His experience on both sides of the practice has given him tremendous experience and knowledge, which shows in the courtroom. He is always professional, prepared, and friendly and I would not hesitate to recommend him as a legal advocate.


    Jean Humbrecht Criminal defense Attorney
    Relationship: Fellow lawyer in community

  • Makan Shirafkan

    I have had many cases with Jonathan. He is a sharp lawyer with great experience and reputation.


    Makan Shirafkan DUI and DWI Attorney
    Relationship: Fellow lawyer in community


VAAuthorized to practice law200803/31/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Rising StarSuperLawyers2015
Best Law FirmsU.S. News & World Report2015
President's AwardFairfax Bar Association2015
Top 100 Trial LawyersThe National Trial Lawyers2015
Top LawyersWashingtonian2015
Top 100 Trial LawyersThe National Trial Lawyers2014
Top 40 Under 40The National Trial Lawyers2014
Top LawyersNorthern Virginia Magazine2014
Work experience
TitleCompany nameDuration
PartnerLefflerPhillips, PLC2015 - Present
OwnerJonathan Phillips, PC2012 - Present
Assistant Commonwealth AttorneyOffice Of The Commonwealth's Attorney2008 - 2012
IT ConsultantAcumen Solutions2005 - 2005
ConsultantAccenture, Ltd.2003 - 2005
Association namePosition nameDuration
United States Supreme Court BarMember2013 - Present
United States Bankruptcy Court Eastern District of VirginiaMember2013 - Present
Fairfax Bar AssociationYLS Board Member2008 - Present
Virginia State BarMember2008 - Present
United States District Court Eastern District of VirginiaMember2008 - Present
Alcohol Safety Action Program (ASAP)At-Large Board Member2008 - 2012
Publication nameTitleDate
The Journal of the Virginia Trial Lawyers AssociationSeeing Stars Over Yelp! Reviews2016
School nameMajorDegreeGraduated
Pennsylvania State UniversityLawJD - Juris Doctor2008
Virginia Polytechnic Institute and State UniversityBusiness Information Technology / eBusinessBS - Bachelor of Science2003
Speaking engagements
Conference nameTitleDate
Practical Tips for Using Evidence in the Courtroom CLEUsing Technology to Present Evidence2015
Law Enforcement EducationPolygraph Examinations and Applied Use in Prosecution2012
Come Kick Our Tires CLETechnology in Fairfax Courtrooms2011