The Leiden Children's Rights Observatory is an open access online database of case commentaries, written by international experts on children's rights, referring to the decisions of the UN Committee on the Rights of the Child under the Optional Protocol to the Convention on the Rights of the Child on a Communication Procedure (CRC OP3) and children's rights jurisprudence of other human rights bodies that adds value to the field. The Leiden Children's Rights Observatory offers original analyses and critical reflections on legal developments and international standards. It also serves as a platform for discussions on topical children's rights issues with relevance for children from all over the world.The Leiden Children's Rights Observatory is based at the Department of Child Law of Leiden Law School in the Netherlands.