. At the Frankfurt Law Firm, PLLC we offer quality representation during difficult times. We know that you are feeling frustrated and overwhelmed. We will direct and help you through the legal process to make you feel secure and at ease. If you are facing a criminal charge or need help with a family law issue, contact a knowledgeable North Texas Criminal Defense and Family Law Attorney for immediate legal direction. The Frankfurt Law Firm, PLLC uses an aggressive but practical approach to client representation in Dallas County, Tarrant County, Denton County, Collin County, Rockwall County and Ellis County.