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 serves as Assistant Solicitor for the Conshohocken Borough Civil Service Commission and the Municipality of Norristown Civil Service Commission. 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. She is a former Assistant District Attorney in Montgomery County.

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