This Handbook on Spanish Civil Patrimonial Law is a concise and accurate introduction to Spanish Civil Law. It is especially interesting for students in degrees with an economic content (Business Administration, Economics, Accounting and Finance, Tourism, etc.). It is a basic text for students and teachers in the bilingual studies. It gives a general overview of the Spanish Civil Law, focusing on the economic aspects of the legal relations and institutions. That is, the Handbook not only refers to patrimonial matters, but it also gives a basic knowledge of the pillars of Civil Law. The person, the Law of obligations, the Law of contracts, non-contractual liability, rights in rem and even family and succession law are studied herein. But not only is this Handbook interesting for students. Its clarity and preciseness make of it a perfect tool for businessmen and lawyers with foreign clients. This Handbook is a work which accurateness and quality can be relied upon in the daily business practice. This fourth edition is completely updated; it includes new legislation and the latest relevant decisions of the Spanish Supreme Court. Furthermore, the coverage of this new edition has been expanded and we have included more examples and new cases and activities.