She graduated in Law in Stuttgart, Baden Württemberg in 1976, following which she worked as a jurist at the German Parity Welfare Association [de] in Wuppertal until 1978.
[1] She defended Ingrid Strobl [de], a former editor of the feminist magazine EMMA, who was accused of having bought the clock which was used during the bombing of the Lufthansa office in Cologne by the Revolutionary Cells in 1986.
[2] During the trial, Lunnebach argued that the court could not prove that Strobl knew that the clock was going to be used in the bombing.
[5] During the trial in Düsseldorf she was prosecuted for offending the presiding Judge Jörg Winfried Belker, but acquitted by a court in Cologne.
She appealed against the fine and was acquitted due to the invalidity of the courts protocol as evidence.