ENThe his research looks specifically into the potential legal liability of the entity capable of detecting construction defects: contractor, nonprofessional owner, professional owner, technical supervisor, designer and building inspector. In this study, the responsibility of each entity for con struction defects is discussed and the corresponding documentation and statutory and case law are analyzed for the U.S., Lithuania, and some other countries for comparative purposes. Keywords: quality management, construction law, defects of construction works, construction mamagement, conflict management.