A “legitimate reason” prescribed in Article 112-2, paragraph (1) of the Patent Act
(Conclusion)
A “legitimate reason” prescribed in Article 112-2, paragraph (1) of the Patent Act is NOT found.
Plaintiff A could have easily confirmed whether or not the patent fee etc. had been paid by the respective due dates.
<Writer: Hideki Takaishi (Attorney-at-law licensed in Japan and California)>
https://www.ip.courts.go.jp/app/files/hanrei_en/892/002892.pdf