Due to its purely theoretical nature, the Paris Congress of 1900 left many comparatists with an unsatisfied feeling, mostly with regards to the long-term effects the Congress may have on the reception and acceptance of comparative law research. Most agreed that a new approach was needed. This new approach came several years later with the Austrian Ernst Rabel.
Although Rabel saw comparative law as purely scientific in its quest for legal knowledge, his writings also stress its practical implications. He himself openly lived this dichotomy by being professor and judge at the same time. Yet, the demonstrated two-sidedness of comparative law was not Rabel’s main achievement. Thus, Rabel can be seen as the founder of the functional method in comparative law – a method that even today has a prominent place in comparative law research. It is of note, however, that Rabel never personally mentioned and defined this methodology, but that it was later ascribed to him by his students.
The idea to look at legal functions came from Rabel’s mentor, the legal historian Ludwig Mitteis who taught Rabel to look at the functions of historical legal provisions. Rabel subsequently applied this idea to the comparison of modern legal systems. In particular, Rabel encouraged comparative lawyers to distance themselves from the written text of a norm and focus on its context and application instead.
Rather than comparing fixed data and isolated paragraphs, we compare the solutions produced by one state for a specific factual situation with those produced by another state for the same factual situation, and then we ask why they were produced and what success they had. (Rabel in “Fachgebiete des Kaiser Wilhelm Instituts” at 187 as quoted by Gerber, Sculpting the Agenda of Comparative Law, 199.)
The application of this approach can be seen in Rabel’s four-volume treatise on the “Conflict of Laws: A Comparative Study.”
So what makes Rabel’s work stand out from “first-phase comparative law” as defined by the Paris Congress? First, and foremost, Rabel did not restrain himself to the theoretical definition of a methodology (in fact, he did never really define a specific method), but instead focused on the legal realities in different legal systems and compared their solutions for specific legal issues. Second, Rabel explicitly looked beyond the official legal texts and also considered their applications and interpretations. Third, and as a consequence of the second point, Rabel’s method left room to consider the common law and compare it with the civil law systems of continental Europe. In fact, he spent a good part of his later life in the United States.
It is therefore fair to say that Rabel’s new and innovative take on comparative law marks the beginning of the second phase of comparative law. His students and friends propagated functionalism in comparative law by further developing and promoting his original idea to identify specific social functions of legal rules as terra comparationis.
- David Gerber, Sculpting the Agenda of Comparative Law: Ernst Rabel and the Facade of Language 190-208, in: Rethinking the Masters of Comparative Law (Annelise Riles, ed., 2001).
- Christine Godt, The Functional Comparative Method in European Property Law, 2 Europ. LJ 73-89 (2013).
- Max Rheinstein, In Memory of Ernst Rabel, 5 Am. J Comp. L 185-196 (1956).
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