Taking a general view of an environmental change in a distribution of information on patents that simplified access to such information is provided because more data comes from sources and programs of software for retrieval are improved, it indeed seems to us that today is brought in the era of which anyone can obtain desirable information on patents. On the other hand, taking into consideration of a peculiar feature of the information on patents that error for retrieval is not permitted, the environmental change further provides difficulty of the access that is caused by a lot of obtainable information, and a variety of media sources. From the points discussed above, it will be understood that people in both of general and expert fields manage the information on patents. However, now, the viewpoint of the distribution of the information on patents will have to be directed to end users. That is, the information necessary for users is not found by users, but a third party selects and customizes the information to be delivered to the users. In this case, if a conception of society is given to a tendency to which"the possession" is shifted to"the utilization", and the specialized features of the area of the information on patents, today might be brought in the era of that a positive expansion of outsourcing to external sources has to be carried out, while a serious view of core competence is taken by companies themselves.
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