Artificial Intelligence (AI) is profoundly transforming the legal field, bringing new opportunities and challenges that impact everything from process automation to judicial decision-making. In Artificial Intelligence in Law: A New Era of Regulation and Justice, we explore this complex intersection between technology and law, offering a detailed analysis of the main concepts, technologies and applications of AI in the legal sector. This book covers the historical evolution of AI, the main ethical and legal challenges, and how different legal systems around the world are adapting to this technological revolution. In addition, we discuss crucial issues such as legal liability in cases involving AI, the protection of personal data, and the impact of AI on human rights. It is essential reading for legal scholars, academics, technology professionals and anyone interested in understanding how AI is shaping the future of law. With a clear and informed approach, the book offers valuable insights on how to navigate the complexities of this new digital era.