In 1993, he began his legal studies at Ludwig Maximilian University of Munich (first state legal examination, 1998. Second state legal examination, 2000. Doctorate in 2003, summa cum laude).
Starting in 2004, he worked as a postdoctoral assistant at the University of Munich"s Leopold Wenger Institute for Legal History, where he finished his habilitation in 2009 (in Roman Law, Civil Law, Ancient Legal History, and the history of private law in modern times).
In September 2009, Platschek became Professor of Roman Law, Civil Law, and Modern Private Law at the University of Göttingen. After a short-term lecturer position at the German-Chinese legal institute at Nanjing University in September 2011, he became a lecturer at the Scuola di Scienze giuridiche Dottorato at the University of Milano-Bicocca in December 2011. In February 2012, he was hired as a university professor of Roman Law, the Romanistic foundations of modern rights, and Ancient Legal History at the University of Vienna, Austria.
