Recent twin decisions of the European Patent Office's Technical Board of Appeal have shifted its stance on software patents significantly. In this paper, I explore the backgr...
This paper describes the Patent Retrieval Task in the Fourth NTCIR Workshop, and the test collections produced in this task. We perform the invalidity search task, in which each p...
Using the 138,751 patents filed in 2006 under the Patent Cooperation Treaty, coclassification analysis is pursued on the basis of three- and four-digit codes in the International ...
Prior-art search is an important task in patent retrieval. The success of this task relies upon the selection of relevant search queries. Typically terms for prior-art queries are ...
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