Ass. iur. Piotr Rataj

Research Assistant


Saarland University

Campus C3.1, Room 0.30 (EG)

E-Mail: piotr_ryszard.rataj(at)

Phone: +49 681 302-4727


Personal information

  • 2009-2015: Law school at LMU Munich
  • 2019-2021: Legal clerkship at the Higher Regional Court of Koblenz with stations, among others, in the cabinet of the First Advocate General at the European Court of Justice, Prof. Maciej Szpunar
  • Since 2021: Student of Computer Science at Saarland University
  • 2010-2018: Student, then Research Assistant at Chair of Civil law, commercial and corporate law, private law theory, Prof. Hans Christoph Grigoleit (LMU Munich)
  • 2018-2020: Research Assistant at Chair of Civil Law, Commercial Law and Banking Law, Prof. Katja Langenbucher (House of Finance, Goethe-University Frankfurt am Main)
  • 2021: Legal Assistant in the Cabinet of the Advocate General at the European Court of Justice, Prof. Juliane Kokott
  • Since 11/2021: Research Assistant at ZRD Saar

Research interests

  • Privacy and IT-Security Law
  • Legal Tech
  • Corporate Law, especially company- und capital market law
  • Legal theory in an interdisciplinary context


  • Bianca Steffes, Piotr Rataj, Luise Burger und Lukas Roth: On evaluating legal summaries with ROUGE, In 19th International Conference on Artificial Intelligence and Law - ICAIL 2023 - proceedings of the conference, ACM Press, 2023. [bibtex]
  • Bianca Steffes, Piotr Rataj: Legal Text Summarization Using Argumentative Structures, In Legal Knowledge and Information Systems - Proceedings of the 35th International Conference on Legal Knowledge and Information Systems – JURIX 2022, IOS Press BV, pp. 243–248, 2022. [pdf]