Christiaan Willem Anton Timmermans (born 6 December 1941) is a Dutch law professor and judge.
In 1973 he obtained a Ph.D. in law at Leiden University; his doctoral thesis, titled De administratieve rechter en beoordelingsvrijheden van bestuursorganen: een rechtsvergelijkend onderzoek naar de controle van de administratieve rechter op de uitoefening van beoordelingsvrijheden van bestuursorganen in het nationale recht en het gemeenschapsrecht (The administrative judge and freedoms of assessment of administrative bodies: a comparative legal inquiry into the control of the administrative judge on the exercise of freedoms of assessment of administrative bodies in national law and Community law) was supervised by Herman Hendrik Maas.
[5] In 1991 Timmermans was made foreign correspondent of the Royal Netherlands Academy of Arts and Sciences.
[7] Timmermans himself was succeeded as judge by Sacha Prechal on 10 June 2010 and she would sit out of the reminder of his term until 2012.
[4][8] After his return to the Netherlands, Timmermans served as professor at the Law faculty (Pieter Sanders professorship) at the Erasmus University Rotterdam between 2010 and 2012.