Lectures
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Who Speaks to the Court? The Amicus Ecosystem and Its Impact on U.S. Supreme Court Decision-Making
10.12.2025,
18:00
Contemporary U.S. Supreme Court practice confronts unprecedented outside advocacy, with nearly 2,000 amicus curiae (“friend of the court”) briefs filed annually. Comprehensive analysis spanning over a century reveals systematic patterns: a small…
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Pardon Power: How the Pardon System Works—and Why
30.04.2025,
18:00
Venue: Room L619, 6th floor | Faculty of Law | Sigmund Freud University | Lassallestraße 3, 1020 Vienna
Please join Kim Wehle, legal scholar, media commentator and best-selling author of How to Read the Constitution—and Why, for a discussion of her latest book, Pardon Power: How the Pardon System Works—and Why.…
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Talking past each other across the pond: Why discussions of online speech regulation between the US and Europe fail and what we can do about it
20.03.2025,
15:00
Venue: Room SEM 64, 6th floor | Faculty of Law | University of Vienna | Schottenbastei 10-16, 1010 Vienna
Academic and policy discussions concerning online speech regulation in the United States and Europe often get stuck around questions of free speech. How and why speech protection is important is…
The Vienna Lecture Series on Comparative Constitutional Law & Theory aims to organise a high-level exchange on current and fundamental questions in constitutional law from an international, comparative, interdisciplinary or theoretical perspective. International scholars are invited to present their current research.
The Lecture Series takes place four times a year at one of the involved universities and welcomes everyone interested in this area of law.

Organized by
The Vienna Lecture Series on Comparative Constitutional Law and Theory is organised by Prof. Markus Böckenförde, Prof. Iris Eisenberger, Prof. András Jakab and Prof. Konrad Lachmayer.

Prof. Markus Böckenförde
Markus Böckenförde is a professor at the law faculty of Central European University (CEU) in Vienna. There, he teaches students with first law degrees from the Global South and the Global North in courses on comparative law, thus witnessing different legal concepts and constitutional realities.



Prof. András Jakab
András Jakab is Judge at the European Court of Human Rights (in respect of Austria) and Professor of Austrian Constitutional and Administrative Law at the University of Salzburg (currently on leave). Formerly, he held different research and teaching positions in Budapest, Madrid, Liverpool, Nottingham, and Heidelberg.


Prof. Konrad Lachmayer
Konrad Lachmayer is Vice Dean of Research and Professor for Public law, European law and Foundations of law at the Faculty of Law at Sigmund Freud University (SFU) in Vienna. He visited the University of Cambridge, the Max Planck Institute for Comparative Public Law and International Law and the Central European University.

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