[2] He also teaches at the Faculty of Law and Administration of the University of Warsaw.
Nominated as a Full Professor of Law by the President of the Republic of Poland (2012).
Longchamps joined the Faculty Law and Administration of the University of Warsaw in 1993.
[4] He joined the Centre for Law and Religious Freedom at the Jagiellonian University.
[6] In 2023, Longchamps was awarded the Officer's Cross of the Order of Polonia Restituta.