[eng] This article deals with the issue of the software patentability and the case law evolution in the United States in this area. From the beginning of the 80's, many key decisions have allowed software to be patented, whereas it has been traditionally protected by copyright. Through the new...

[eng] Intellectual property rights have been established at the outset in order to protect the inventor against imitation. At the same time, economic litterature considers that this system favours information diffusion and contributes to the dynamic of technical progress. But nowadays IPR are...