This standard work is one of the leading authorities on Swiss arbitration law. The fully revised and supplemented Fourth Edition provides up-to-date information on the law and practice of international and domestic arbitration in Switzerland, including on the recent revision of Chapter 12 PILA in 2020 The book provides a comprehensive analysis of all relevant aspects of arbitration, including the concept of arbitration, the sources of arbitration, arbitrability, and all aspects concerning the validity and scope of the arbitration agreement and its autonomy. Other topics include competence-competence, the jurisdiction of the arbitral tribunal, the arbitral procedure, the effects and limits of arbitral awards, setting aside as well as the recognition and enforcement of awards in Switzerland. Frequently referred to in the case law of the Swiss Federal Supreme Court, the book is an indispensable tool for legal scholars dealing in depth with a controversial issue. At the same time, it is an invaluable and user-friendly source of information and reference for arbitration practitioners in Switzerland and abroad. The book's appendices contain useful supplementary materials, including a detailed table of cases and an accurate translation of the arbitration provisions of the Swiss Private International Law Act and the Swiss Code of Civil Procedure.