Prof. Dr. Ralf Poscher

Managing Director

Curriculum Vitae

  • Since Novem­ber 2019: Hon­or­ary pro­fess­or­ship, Uni­versity Freiburg
  • Since May 2019: Dir­ect­or at the Max Planck In­sti­tute for the Study of Crime, Se­cur­ity and Law, Freiburg
  • Oc­to­ber 2018 to May 2019: Dean, Fac­ulty of Law, Uni­versity of Freiburg
  • Spring 2018: Guest pro­fess­or, Fac­ulté de Droit, Uni­versité Jean Moulin, Ly­on 3, France
  • Oc­to­ber 2015 to Septem­ber 2016: Rect­or’s Fel­low, Freiburg In­sti­tute of Ad­vanced Stud­ies (FRI­AS), Uni­versity of Freiburg
  • Winter semester 2013: Fernand Braudel Seni­or Fel­low, De­part­ment of Law, European Uni­versity In­sti­tute, Florence
  • 2013 to 2018: Man­aging dir­ect­or of the Centre for Se­cur­ity and So­ci­ety, Uni­versity of Freiburg
  • Oc­to­ber 2009 to present: Pro­fess­or, Fac­ulty of Law, Uni­versity of Freiburg, In­sti­tute for Polit­ic­al Sci­ence & Philo­sophy of Law, De­part­ment 2 (Philo­sophy of Law)
  • Decem­ber 2003 to Septem­ber 2009: Pro­fess­or, Fac­ulty of Law, Ruhr-Uni­versität, Bo­chum, Chair of Pub­lic Law, Legal So­ci­ology, and Leg­al Philo­sophy
  • 2007 to 2008: Mem­ber of the In­sti­tute for Ad­vanced Study, Prin­ceton, USA
  • Spring 2007: Re­search fel­low, Uni­versity of Osaka, Ja­pan
  • 2002: As­sist­ant pro­fess­or, Fac­ulty of Law, Hum­boldt-Uni­versität zu Ber­lin
  • 2002: Postdoc­tor­al de­gree ("Ha­bil­it­a­tion") with the ve­nia le­gendi for pub­lic law, his­tory of con­sti­tu­tion­al law, and leg­al philo­sophy at the Hum­boldt-Uni­versität zu Ber­lin; Ha­bil­it­a­tion Title: Grundrechte als Ab­wehr­rechte. Re­flex­ive Regelung recht­lich geord­neter Freiheit
  • 1999 to 2002: Postdoc­tor­al re­search fel­low, Fac­ulty of Law, In­sti­tute for Pub­lic Law, Chair Prof. Dr. Bernhard Schlink, Hum­boldt-Uni­versity Ber­lin
  • 1999: Hum­boldt Award, Hum­boldt-Uni­versity Ber­lin
  • 1999: Doc­tor­ate, Fac­ulty of Law, Hum­boldt-Uni­versity Ber­lin; Title of dis­ser­ta­tion: Ge­fahren­ab­wehr. Eine dogmatische Rekon­struk­tion
  • 1995 to 1999: Re­search as­so­ci­ate, Fac­ulty of Law, In­sti­tute for Pub­lic Law, Chair Prof. Dr. Bernhard Schlink, Humboldt-Uni­versity Ber­lin
  • 1995: Second state law ex­am
  • 1992 to 1995: Ju­dic­al clerk­ship, Su­per­i­or Court of Justice, Ber­lin
  • 1990 to 1992: Re­search as­sist­ant, In­sti­tute for Pub­lic Law, Uni­versity of Bonn, Chair Prof. Dr. Bernhard Schlink
  • 1990: First state law ex­am
  • 1984 to 1990: Study of Law, Uni­versity of Bonn; Uni­versité de Bour­gone, Di­jon; Lon­don School of Eco­nom­ics and Polit­ic­al Sci­ence


German Constitutional Law from a Transnational Perspective more

Die Polizei in der offenen Gesellschaft more

During the Covid-19 pandemic, numerous countries have experienced a scarcity of life-saving resources, including equipment (i.e., ventilators) and free space in intensive care units. Such situations raise difficult ethical and legal questions. Which criteria should be applied to… more


Journal Article (54)

Journal Article
Jestaedt, M., Poscher, R., & Hidemi, S. (2021). 表現の自由をめぐる新たな問題 = Aktuelle Probleme der Meinungsfreiheit. 司法研修所論集 = Law Journal of the Legal Training and Research Institute, 2020(130), 226–294. Retrieved from
Journal Article
Enders, C., Hoffmann-Riem, W., Kniesel, M., Poscher, R., & Schulze-Fielitz, H. (2020). Alman Toplantı Kanununa İlişkin Model Tasarı. Bahçeşehir Üniversitesi Hukuk Fakültesi dergisi, 15(191-192), 839–983. Retrieved from
Journal Article
Poscher, R. (2020). Resuscitation of a Phantom? On Robert Alexy’s Latest Attempt to Save His Concept of Principle. Ratio Juris, 33(2), 134–149. doi:10.1111/raju.12286
Journal Article
Poscher, R. (2019). Ernst Wolfgang Böckenförde an der Freiburger Rechtswissenschaftlichen Fakultät. Der Staat: Zeitschrift für Staatslehre und Verfassungsgeschichte, deutsches und europäisches öffentliches Recht, 58(3), 445–449. doi:10.3790/staa.58.3.445
Journal Article
Poscher, R. (2018). The Normative Construction of Legislative Intent. Le droit et la philosphie analytique, Droit & Philosophie, (9), 121–150. Retrieved from
Journal Article
Poscher, R. (2018). A mão de Midas: quando conceitos se tornam jurídicos ou esvaziam o debate Hart-Dworkin. Revista de Estudos Constitucionais, Hermenêutica e Teoria do Direito, 10(1), 2–13. Retrieved from
Journal Article
Poscher, R. (2017). Die Koalitionsfreiheit als ausgestaltungsbedürftiges und ausgestaltungsfähiges Grundrecht. Recht der Arbeit, (4), 235–245. Retrieved from
Journal Article
Poscher, R. (2016). The Ultimate Force of the Law: On the Essence and Precariousness of the Monopoly on Legitimate Force. Ratio Juris, 29(3), 311–322. Retrieved from
Journal Article
Poscher, R. (2016). Tendencies in Public Civil Security Law. European Journal for Security Research, 1(1), 59–76. doi:10.1007/s41125-016-0003-3
Journal Article
Poscher, R. (2016). Ambiguidade e vagueza na interpretação jurídica. Revista de Estudos Constitucionais, Hermenêutica e Teoria do Direito, 8(3), 272–285. doi:10.4013/rechtd.2016.83.02
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