Problem to be solved: to provide a patent document management device, a patent document management method, and a patent document management program capable of finding a profit combination in both the applicant and the writer of the specification.Patent document management deviceA receiver receiving the inventive text from a first terminal device andAn extraction section extracting a patent document similar to the above invention from a patent document databaseA judgment section for judging the patentability of the above described document by comparing the above described document and the extracted patent documentThe above described receiver comprises the above described first terminal deviceThe above patent documentIn the case of receiving a public notice that exposes the patentability to the second terminal deviceThe invention inventionThe above patent documentAnd the transmitter to send the patents to the second terminal deviceThe above transmitting section is the text of the inventionPatent documentAnd the sending destination sending the patentability to the above inventionThe above patent documentAnd a decision section which determines based on at least one of the patents.
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