The purpose of my thesis is to compare the conformity and diversity between legal provisions of liability for damages in czech civil and commercial law. The thesis is divided into four chapters and its core lies in Chapter Three. First chapter subdivided into three parts deals with characteristics of liability for damages in general, further contains the location of this liability among other types of liability and the last part concerns with the functions of it. Chapter Two is concentrated on the Principles of European Tort Law. Part One describes the europeisation of tort law, which is mostly connected with spontaneous projects of soft law. In Part Two there is reffered to general conception of the Principles and some particular provision...