The lecture outlines the relevance of cognitive science research to the theory of legal concepts. In the first part, devoted to the introduction to metaphor theory the author focusea on the difference between concrete and abstract concepts in the context of legal concepts, and the idea of mapping (with a very short introduction to embodied cognition). In the second part, abstract legal concepts are depicted as conceptual metaphors, and limitations of metaphor theory in the context of legal concepts are elucidated.