This book traces the transformation of the physicianpatient relationship in Western legal systems, from a model grounded in medical paternalism to one based on informed consent, autonomy, and partnership. Drawing on comparative legal analysis of US common law and continental European civil law traditionsincluding France, Germany, and the Netherlandsthe book examines how different jurisdictions regulate medical liability, enforce patient rights, and manage technological disruption.With detailed attention to the evolution of fiduciary duties, informed consent, no-fault compensation, and the governance of AI and telehealth, the book offers a unified account of how law increasingly demands collaboration and transparency in healthcare. Legal doctrines are evaluated not only on doctrinal coherence but also on their economic, ethical, and practical impact. The work's interdisciplinary scopespanning tort, contract, human rights law, and regulatory designmakes it a valuable resource for scholars, clinicians, and policymakers confronting the future of digital medicine.This is a timely study of transatlantic legal convergence, with an eye toward how traditional legal values can endure amid technological change.