Is Socialist Law a Distinct Legal Family, or a Variant of the Civil Law Tradition?
Comparativists have never fully settled this. Rene David's influential classification treated socialist law (the historical Soviet system and its export to Eastern Europe, China and elsewhere) as a family of its own, defined by the subordination of law to Communist Party policy and state ownership, even though its courts, codes and legal vocabulary were built on a civil-law base. Zweigert and Kotz, working from a different comparative method, are more skeptical that this political fact by itself creates a distinct legal FAMILY rather than a civil-law variant under unusual political conditions, and post-1989 practice complicates the question further: China's law today keeps socialist characteristics in name while its commercial and procedural codes converge heavily with mainstream civil law.
What would resolve this A comparative-law consensus classification would need to specify which feature is doing the definitional work, legal FORM (codes, courts, procedure, which stayed civil-law in shape) or POLITICAL FUNCTION (subordination to party policy, which did not), since the two point to different answers; a jurisdiction-by-jurisdiction study tracking how far post-1989 codes have converged with ordinary civil law would also narrow the question for any single country.
Konrad Zweigert and Hein Koetz; English translation by Tony Weir, An Introduction to Comparative Law