Max Planck Institute for Legal History and Legal Theory

Max Planck Institute for Legal History and Legal Theory This is the official page of the Max Planck Institute for Legal History and Legal Theory.

This is the official page of the Max-Planck-Institute for Legal History and Legal Theory (Max-Planck-Institut für Rechtsgeschichte und Rechtstheorie). We post events, new publications, and news about the institute. We are happy to answer your questions and are grateful for feedback.

The School of Salamanca has been hailed as the cradle of international law and criticised as a legal fig leaf for empire...
18/08/2026

The School of Salamanca has been hailed as the cradle of international law and criticised as a legal fig leaf for empire. Our director Thomas Duve argues that both accounts tend to reduce the School to its contribution to international law and overlook the authors who espoused the same ideas in Mexico, Córdoba or the Philippines. Moreover, the authors in Salamanca were part of a larger discourse. He and his department have held this view for years; on 14 August he explained it to a wider audience in El Mundo, a leading Spanish daily.

Both interpretations, he adds, are shaped very much by contemporary politics – neither national pride and the aim to defend Catholic Moral Theology on the one hand and postcolonial critique are not free of anachronism.

El Mundo's editors placed all this within the context of the current debates on artificial intelligence. According to Duve, one particular characteristic of the School of Salamanca was to develop a legal thinking from a theological and philosophical reflection about the human being. In a similar way we will have to ask ourselves today fundamental questions: What defines a person? What about rights for animals, robots, and the nature?

These questions cannot be answered by drawing on 16th century theology or philosophy. Duve cites Ernst-Wolfgang Böckenförde’s famous dictum: a secular constitution stands on foundations it cannot itself supply. It is, thus, even more important to understand the foundations of our legal culture to be able to develop a discourse which builds on our moral intuitions. This is even more important in our times of a rivalry between cultural and legal systems on a global scale.

The interview is in Spanish:

Luces para la ConstituciónThomas Duve: "La reflexión sobre la condición humana es más actual que nunca con la IA"Director del Instituto Max Planck para la Historia y Teoría del Derecho, es una autoridad mundial en la Escuela de Salamanca, cuya investigación lidera en el prestigioso centro alem...

Wir reden viel über neue Familienformen – aber was passiert mit Vermögen, wenn die Familie nicht mehr „klassisch“ ist? D...
06/08/2026

Wir reden viel über neue Familienformen – aber was passiert mit Vermögen, wenn die Familie nicht mehr „klassisch“ ist? Die Erbschaftsteuer unterscheidet nach Verwandtschaftsgrad: Ehegatten und Kinder erhalten Freibeträge bis 500.000 €, alle anderen nur 20.000 €. Wer nicht in das bürgerliche Familienideal passt, zahlt deutlich mehr – obwohl er in der Familienrechtspolitik als gleichberechtigt gilt. Marietta Auer analysiert in ihrem Beitrag, weshalb das deutsche Erbrecht trotz des Eindrucks moderner Familienpolitik am traditionellen Familienbild festhält und damit in den 1950er Jahren verharrt.

Das deutsche Erbrecht spiegelt das Ideal der Kleinfamilie von 1950 wider und behindert moderne familienpolitische Reformen.

Digital Humanities (DH) has long positioned itself as a field of openness, collaboration, and innovation. Yet beneath th...
29/07/2026

Digital Humanities (DH) has long positioned itself as a field of openness, collaboration, and innovation. Yet beneath the surface of impressive projects lies a more complex reality: infrastructural inequities, invisible labour, and the reinforcement of historical and contemporary biases through digital methods.
One of the most pressing challenges? Data gaps not just as missing information, but as outcomes of social, historical, and technical processes that systematically privilege certain forms of knowledge while marginalising others. Sarah Lang from the Planck Institute for the History of Science will explore how perspectives from critical DH, critical archival studies and feminist AI ethics can help us name, understand, and actively address these absences. We kindly ask you to register here. https://plan.events.mpg.de/event/802/

Almost two weeks of intense exchange are behind us and what a cohort to have spent them with.The Summer Academy 2026 is ...
15/07/2026

Almost two weeks of intense exchange are behind us and what a cohort to have spent them with.

The Summer Academy 2026 is drawing to a close. You came to Frankfurt from all over the world to work through this year's theme, Legal Literacy, and you brought everything that makes the fortnight worthwhile: sharp questions, real intellectual generosity and a readiness to take each other seriously across disciplines, languages and legal traditions.

The best moments were the ones no schedule could have planned, a concept being translated between two systems that don't quite map onto each other, an argument reopened over coffee, a shared reference suddenly clicking into place. This is the Institute at its liveliest.

To the class of 2026: thank you. It has been a real pleasure to host you, and we've no doubt these conversations will outlast your stay in Frankfurt.

Law takes effect only through the actors who make, interpret and invoke it, and through the public who comply with, inte...
06/07/2026

Law takes effect only through the actors who make, interpret and invoke it, and through the public who comply with, interpret, enact or contest it. If law is understood as something constructed, legal historical analysis must focus on those actors and on the broad knowledge they draw on when they produce normative statements—court judgments, books, legal opinions and the like: knowledge of how to proceed, of what counts as good or bad, of the existing legal framework, of the persons and problems involved and of the power relations at stake.



These reflections lie at the heart of this year's Max Planck Summer Academy for Legal History, with the overarching theme of Legal Literacy. More than twenty doctoral researchers from all over the world are spending two weeks exploring them through historical case studies.



The breadth of their research shows how widely the theme resonates. One presentation reconstructs the case of a female slave who absconded in Han China in 196 BCE, and asks what it reveals about legal knowledge in early imperial China. Another follows free African islanders in São Tomé and Príncipe who claimed equality before the law between 1780 and 1820. A third examines the women who shaped legal knowledge at Argentina's constitutional convention of 1994. The cases span nearly 2,200 years, yet revolve around the same contested resource: legal literacy.

Held every summer, the Academy runs two weeks of lectures, seminars and discussion around a new theme each year. Participants learn to translate legal concepts across languages and cultures, and each cohort becomes a lasting research network. To keep it open to a broad range of PhD students, the Institute offers accommodation and a limited number of travel grants.

The next call, for the 2027 Academy, will be published later this year. If you know a doctoral researcher who would thrive in this conversation, please forward this newsletter so they can subscribe and stay informed about the next call.

More Info: https://www.lhlt.mpg.de/summer-academy/en

Subscribe to our Newsletter: https://lhlt.communication.mpg.de/a.php?sid=ei9.16fehn6,f=7

Unsere Direktorin Marietta Auer war zu Gast im Podcast Tech, KI & Schmetterlinge von Sascha Lobo. Im Gespräch geht es um...
01/07/2026

Unsere Direktorin Marietta Auer war zu Gast im Podcast Tech, KI & Schmetterlinge von Sascha Lobo. Im Gespräch geht es um KI, Ethik und Recht und die Frage, wie das Recht seine Verantwortung behält, wenn Maschinen mitentscheiden.

Die Folge beschreibt, wie stark KI bereits in juristische Prozesse hineinwirkt, etwa bei automatisierten Entscheidungen wie Kreditvergaben, Bewerbungsfilterung oder Newsfeed-Steuerung. Im Zentrum steht das Problem, dass KI zwar Entscheidungen berechnet, aber keine Verantwortung übernehmen kann.

Diese „Responsibility Gap“ bedeutet: Wenn ein KI-System eine Entscheidung trifft, bleibt unklar, wer rechtlich und moralisch verantwortlich ist, Entwickler, Anbieter oder Anwender. KI kann juristische Entscheidungen unterstützen, aber Verantwortung, Urteilskraft und Normsetzung bleiben menschliche Aufgaben, die rechtlich klar zugeordnet werden müssen.

Zum Nachhören: https://tech-ki.podigee.io/63-ki-ethik-und-das-gesetz-wie-ki-die-justiz-neu-schreibt

Vertiefend dazu ihr Essay „Digitale Moderne als Science Fiction" im aktuellen Merkur: https://www.merkur-zeitschrift.de/artikel/digitale-moderne-als-science-fiction-a-mr-80-7-5/

Ein Mann verteidigt sich mit ChatGPT vor Gericht – und gewinnt. Ein Einzelfall oder der Beginn einer neuen Realität? Sascha Lobo spricht mit der Rechtswissenschaftlerin Marietta Auer, Direktorin am Max-Planck-Institut für Rechtsgeschichte und Rechtstheorie, darüber, wie KI Recht und Gesellschaf...

Law can be understood as a promise of transformation. In societies shaped by entrenched inequality and asymmetries of po...
24/06/2026

Law can be understood as a promise of transformation. In societies shaped by entrenched inequality and asymmetries of power, that promise is repeatedly unsettled, as social realities keep shaping judicial decisions and legal reasoning.

What if the principles we treat as universal in law were shaped at its margins, where statutory law meets caste, customary law, and the other legal orders formal doctrine leaves out? Questions like this are being worked through at our Institute right now. The launch conference of the new Centre for Legal History of India (CLHI) is underway, bringing together awide range of research areas, methods, and archives to underscore the breadth of the field of legal history of India.

The CLHI aims to contribute towards developing legal history in India as a distinct and valuable field of study that merits dedicated resources and sustained scholarly attention. It showcases the richness and breadth of Indian legal history, identifying areas of common ground while highlighting the diversity of legal traditions and interdisciplinary perspectives.

The programme is bookended by two keynotes from field-defining historians: Prof. Radhika Singha and Prof. Janaki Nair.

Hosted by Dr Reeju Ray and Prof. Stefan Vogenauer, the centre is built on partnerships with leading Indian law schools, including National Law School of India University, Bangalore and Nalsar University of Law, Hyderabad.

More about the CLHI:

Home Centre for Legal History of India (CLHI) Centre for Legal History of India (CLHI) " Tell it Like It Is" by Dr. Varunika Saraf " Tell it Like It Is" by Dr. Varunika Saraf The Centre for Legal History of India (CLHI) in the Department European and Comparative Legal History at the Max Planck Inst...

We are looking to recruit for 1 October 2026, or as soon as possible thereafter, a Researcher in Digital Humanities (m/f...
22/06/2026

We are looking to recruit for 1 October 2026, or as soon as possible thereafter, a Researcher in Digital Humanities (m/f/d) for the research project ‘Normative knowledge in the praxis of the Congregation of the Council. The production of normative categories and models for the post-Tridentine world’, headed by Benedetta Albani. Deadline: 7 July 2026.

https://jobs.lhlt.mpg.de/jobposting/b2169855b41392fa098c420a76900d9780cd50350

CfA: The most interesting recent work in European Legal History has been done by scholars who refuse to stop at Europe's...
11/05/2026

CfA: The most interesting recent work in European Legal History has been done by scholars who refuse to stop at Europe's edge. They read European legal traditions through the empires, encounters and exchanges that shaped them, not as a self-contained inheritance but as something continuously made in contact with the rest of the world.

The Max Planck–ASLH Dissertation Prize, co-sponsored by the Institute and the American Society for Legal History, recognises dissertations that work in this register. It covers three terrains: European legal interactions beyond Europe, legal processes that span regions and theory tied to imperial or transnational currents.

Eligible. PhD or JSD awarded in 2025.

Award. Three-month fellowship at the Institute in Frankfurt.

Stipend €2,700/month, airfare up to €1,500, accommodation provided.

Submit. Single PDF (CV, 500-word fellowship plan, dissertation with abstract) to [email protected] by 1 June 2026.

📅 Fristen rauben uns den Schlaf, strukturieren unsere Arbeit, bestimmen unseren Alltag – und doch denken wir selten über...
06/05/2026

📅 Fristen rauben uns den Schlaf, strukturieren unsere Arbeit, bestimmen unseren Alltag – und doch denken wir selten über sie nach.

Genau das wollen wir bei unserem nächsten Meet the Author: Konstantin Chatziathanasiou (Universität Münster) und Michael W. Müller (Universität Mannheim) haben gemeinsam mit weiteren Autor*innen das »Fristenbuch« vorgelegt – eine interdisziplinäre Auseinandersetzung mit Theorie, Wirkung, Materialität und Kultivierung von Fristen.

Ausgangspunkt sind Opernstoffe – Auftakt zu einer Analyse, wie Recht Zeit strukturiert. Die Beiträge behandeln u.a.:

▪️ intertemporale Gleichheit durch juridisches Zeitmanagement

▪️ die Notwendigkeit demokratischer Fristbindung

▪️ Fristen als Instrument der Krisenbewältigung

▪️ Zeitdruck im Kontext von Bürokratieabbau

▪️ die materielle Wirklichkeit der Frist auf dem Weg in die digitale Zukunft

Die Diskussion eröffnet ein Kommentar von Sonja Heitzer (Justus-Liebig-Universität Gießen).

🗓 12. Mai 2026 | 16:00–17:30 Uhr 📍 mpilhlt, Vortragssaal (Z01) 🎙 Gastgeberin: Marietta Auer

Anmeldung: https://plan.events.mpg.de/e/frist

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