Although the issue of informed consent for human research biobanks has been analyzed in a number of publications, revolving on speculative as well as empirical perspectives, it remains a critical matter within the ethical community globally. Considering that ethical requirements for information and consent vary widely, depending on the international, regional and national regulatory landscape, the development of a harmonized model of informed consent for research biobanks is today a huge challenge. After the analysis of the informed consent issue in pediatric biobanks, this chapter describes the variability of regulations addressing adult research biobanks on a global, regional and national level by focusing on the several consent standards...