Karen Lee DeMerlis concentrates her practice in municipal law, mental health law, and criminal defense.  She is proud to be part of the team that provides legal services to Northampton Township in Bucks County.  

She also sits as a Hearing Officer in Mental Health Court in Philadelphia, determining if mentally ill patients should be committed involuntarily for further treatment. A former Assistant District Attorney in Montgomery County, Karen Lee has handled all aspects of criminal defense in both adult and juvenile criminal courts.

Bar and Court Admissions

  • 1996, Pennsylvania
  • 1989, New Jersey


  • B.A., Northwestern University, Evanston, IL, 1977
  • J.D., Seton Hall University Law School, Newark, N.J., Cum Laude, 1989