Law graduates require that courses enable graduates to understand the impact of new technologies on the legal area. By asking what these new technologies are whose influence on Law makes learning them crucial and how they interact with the legal world, this article seeks to describe blockchain, artificial intelligence and big data and examine their current and potential applications with a direct influence on legal topics and the work of legal professionals, as well as the importance these professionals give to the topic and the level of access to training they have. The research is bibliographic and documental. The study has a descriptive and exploratory nature, through a qualitative approach of theoretical nature. It was found that the technologies studied already influence legal work and their importance tends to increase. The use of new tools will require a critical vision from professionals and their teaching in universities is essential, especially for the self-employed.