People encounter civil relationships in everyday life, thus the civil law follows a human being from his/her birth to death. Obligation relationships can arise not only at the basis of law actions, predominantly contracts, but also from illegal actions and by law qualified events, which lead to an origin of damages or a defect in an object of fulfilment. Both, liability for damage and liability for defects represent significant part of civil law and belong among the most discussed problems in law theory. The aim of this thesis is to focus on mutual relationship between liability for damage and liability for defects according to the Act No. 40/1964 LC., civil legal code, and to present important terms with a consideration of a rich judicatur...