Operational manner of patent power calculation device and patent power calculation device

摘要

To propose a patent value evaluating device capable of identifying the causal association with business activity. A patent power calculating device comprises a patent history data acquiring section, an item content extracting section for searching for a combination of names of standard items indicating legal procedures and extracting the item contents and their procedure dates, a cost table holding section for holding a cost table where the combinations of item contents and prepared costs are associated with one another, an obsolescence function storage section for storing obsolescence functions used as indications of the obsolescence of the technology of the patent, a post-obsolescence cost calculating section for acquiring costs from the cost table and calculating the post-obsolescence cost by using the procedure date, and the obsolescence function, a totalizing section for totalizing the calculated post-obsolescence costs, and outputting the totalized value as the patent power.