The Law Offices of Margaret Mary Johnston and Jennifer A. Niemeyer gives its clients a voice during challenging legal proceedings. Margaret Mary Johnston, a Certified Family Law Specialist, has been practicing in San Joaquin County, California, for more than 35 years. She specializes in family law matters, including divorce, mediation, custody, support, and retirement issues. Jennifer A. Niemeyer is a Stockton native and has been working in the legal profession for the past 25 years. She joined the firm as an attorney in 2006. Call us today to set up an appointment for your consulation.