Javier de la Cueva (Madrid, 1962) holds a Licentiate degree in Law and is Doctor of Philosophy at the Complutense University of Madrid. He works as a practicing lawyer. Amongst other cases, he has handled the defence for Ladinamo (the first ruling ever to acknowledge Copyleft), Sharemula (which confirmed that websites offering links to p2p networks are not a criminal offence) and p2development case. He is professor of Intellectual Property in the Music Creation Degree at the Universidad Europea de Madrid. Beside his work as a lawyer, he is currently engaged in programming technological projects, in giving lectures and in writing about his specialisation. He is a GNU/Linux user since 1998 and a systems administrator under this operating system since 2003. He writes his scripts in Python and enjoys n3 notation when modeling semantic web ontologies.