Foreign Statements Weighed for Estoppel by Japan’s IP High Court


In a possibly consequential decision, the IP High Court overturned the Tokyo District Court’s infringement case decision against Debiopharm International S.A., judging that plaintiff Nichi-Iko’s patent No. 4430229 was not infringed. What was important about the decision was that the…
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Proper Formatting for Translations and Content Submitted to the JPO


Q. I have ready a Japanese translation for my application; can I have Keisen submit the translation as it is? A. In short, No. Generally speaking, a translation provided by an applicant cannot be filed as it is in Japan…
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JPO Expands Patent Prosecution Highway (PPH) Connections with South America


The Japan Patent Office (JPO) continues to expand its Patent Prosecution Highway (PPH) network with pilot programs initiated with the National Institutes of Industrial Property (INPI) of Brazil and Argentina, respectively, from April 1, 2017. The JPO plans to start…
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Strategy for Requesting Late Filing (Reinstatement) of a Patent Application in Japan


When a patent application one wanted to file in Japan is filed late, how can the applicant win approval for late filing (Reinstatement)? They may file a Request for Reinstatement. In Due Care and Late Filing (Reinstatement) of an Application…
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Q&A: Due Care and Late Filing (Reinstatement) of an Application in Japan


Is it possible to reinstate a lapsed application in Japan? This is a question we are asked frequently at Keisen. The short answer is, Yes! It certainly is possible. The longer answer is that, although it is possible, the standards…
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Post Issuance Proceedings in Japan (Presentation)


The options and implications for post-issuance/grant proceedings and oppositions in Japan can be complicated, and you will need to take various factors into consideration. Our presentation gives you background and ideas for protecting or challenging issued patents. We would be…
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