This paper argues that the best chance of utilising AI & Law models of legal argument in practice in the near future may be in desiging legal argumentation management systems. Such systems do not have a knowledge base and inference engine but allow the user to structure a legal case dossier in terms of the argumentation structure of a case, so that better overview over the dossier is obtained and documents can be better retrieved, compared and drafted. To obtain insight in how such systems should be designed, a case study is presented in which a dossier of a solicitor representing a client in a Dutch civil dispute is analysed according to its argumentation structure. The resulting structures are visualised using the Araucaria software tool. Special attention is paid to the creation of the argumentation structure over time in the course of the dispute, and to the argumentative tactics and strategies employed by the solicitor.
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