At the time of the Prague Spring in 1968 Prechal and her mother were visiting her father on holidays and they remained in the Netherlands.

[1][3] Prechal subsequently returned to the Netherlands to work as an academic lecturer at the Europe Institute of the Law faculty of the University of Amsterdam.

[4] In 1995 she obtained her promotion under Richard Lauwaars at the same university with a thesis titled: Directives in European Community Law.

[7] In 2022 Prechal stated she was not interested in pursuing a third term and preferred to dedicate time to academic activity, leisure, and writing a third edition of her original thesis.

[9] Prechal stated that her predecessors Thijmen Koopmans and Jos Kapteyn, whom she worked under between 1987 and 1991, were large influences, teaching her professional skills.

[10] Prechal was named as the most powerful Dutch woman in the field of Justice and Public Order in 2012 by Opzij magazine.