REVIEW I.: '...A truly pioneering work ... That is what successful European legal research with practical value looks like!' -- Peter Mankowski, ErbR, 2020.REVIEW II.: 'The relevance and the practical importance of the matter and the high quality of the book's contributions make it useful and captivating reading which offers much food for thought, as well as some important suggestions for improving the unsatisfactory current situation.' -- Alessandra Zanobetti Bologna, Common Market Law Review, 2021.REVIEW III.: 'This unique book covers an almost uncharted field, and allows a broader readership to get a complete picture of this underrated part of Regulation 650/2012. The high quality of the contributions makes the book an outstanding work in the field of comparative private international law. It will be a useful guide for academics and professionals, while at the same time it will stimulate and facilitate further comparative research.' -- Apostolos Anthimos, Armenopoulos, 2020.This quote has been translated from Greek.