http://hdl.handle.net/1842/2035 2013-05-22T08:33:49Z http://hdl.handle.net/1842/2273 Title: Trouble with Prime Numbers: DeCSS, DVD and the Protection of Proprietary Encryption Tools Authors: Guadamuz, Andres Abstract: This essay deals with the cracking of DVD encryption and its further diffusion as a computer programme named DeCSS, which has been made available over the Internet in various formats, including t-shirts and a numerical representation of the code. 2002-01-01T00:00:00Z http://hdl.handle.net/1842/2272 Title: Legal Challenges to Open Source Licenses Authors: Guadamuz, Andres Abstract: This paper will concentrate on presenting a legal analysis of two of the main challenges to open source software: SCO’s litigation and software patents. The paper discusses the validity of such challenges, their possible impact to the future of open source software, and the possible legal defences used against them. 2005-01-01T00:00:00Z http://hdl.handle.net/1842/2264 Title: The Software Patent Debate Authors: Guadamuz, Andres Abstract: The paper discusses the proposed European Directive on the Patentability of Computer-Implemented Inventions and the subsequent debate that followed. Do software patents - as argued by policymakers' - result in increased innovation? 2006-01-01T00:00:00Z http://hdl.handle.net/1842/2263 Title: Viral contracts or unenforcable documents? Contractual validity of copyleft licenses. Authors: Guadamuz, Andres Abstract: This paper asks the question of whether copyleft free software licences constitute valid legal contracts, in particular with regards to the fact that it may create obligations through a distribution chain. There is increasing interest about the non-proprietary licence model expressed in popular documents such as the General Public Licence (GPL), but not enough work has been done in asking perhaps the most important question of all: are these contracts enforceable? 2004-01-01T00:00:00Z