This monograph contains explanations regarding two parts of civil law: the general part and rights in rem. The fundamental tenet underpinning this publication is to present these issues in a structured and concise fashion. This monograph also incorporates specific issues, including references to views in legal science and judicature that are framed in the context of a comparative legal study. This highly specialized book in the English language responds to modern trends in legal dealings and may contribute to enabling international researchers to learn about Polish law. This book may also serve as an aid for people who are active in applying and interpreting civil law regulations.