Kim,
In free sources you can try the Patent Abstracts of Japan database at
<http://www1.ipdl.jpo.go.jp/PA1/cgi-bin/PA1INIT>
http://www1.ipdl.jpo.go.jp/PA1/cgi-bin/PA1INIT?. It gives status
information below each English abstract. However coverage is somewhat
patchy and is limited to Japanese-origin inventions. It can also be slow
!
Steve van Dulken
British Library
www.bl.uk/patents <http://www.bl.uk/patents>
-----Original Message-----
From: Kim Emmons [mailto:Kim@wrfcapital.com]
Sent: 09 October 2002 19:59
To: PIUG-L@derwent.co.uk
Subject: Japanese patent status
Sorry if this has been covered before, but I didn't find it in the list
archives. What is the best way to check the patent status (legal
status) of Japanese patents? We want to make sure that the patents have
been maintained, and it's not clear whether Inpadoc (accessed via
Delphion) provides this information for Japanese issued patents. The
Dialog Blue sheet for Inpadoc indicates that legal status is provided
for 25 countries. Does this include Japan?
Kim Emmons, MLIS
Manager of Research and Information Services
WRF Capital
kim@wrfcapital.com <mailto:kim@wrfcapital.com>
206-336-5538
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