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II. Changes in the Lex Causae
(17,007 words)

Volume III: Private International Law | Chapter 8 (1977): Intertemporal Conflict of Laws

Completed in May 1975

Jan K. Grodecki

A. Introduction

i. The Principle

22. A change in the substantive law of the foreign country selected by the conflict rule of the forum can give rise to intertemporal difficulties especially when the new rule purports to have retrospective effect. This type of conflict of laws in time can in theory be met in one of three ways. The cou…

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Jan K. Grodecki, “II. Changes in the Lex Causae”, in: International Encyclopedia of Comparative Law Online, Edited by: U. Drobnig, R. David, H. H. Egawa, R. Graveson, V. Knapp, A. T. Von Mehren, Y. Noda, S. Rozmaryn, V. M. Tschchikvadze, H. Valladão, H. Yntema, K. Zweigert. Consulted online on 27 January 2022 <>
First published online: 2018

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