Inventive step
(Conclusion)
“Electronic mail address” was admitted as a Disclosure of Identification Information of the Sender.
The “electronic mail address” registered at the registration falls under “identification information of the sender” to be disclosed based on Article 4, paragraph (1) of the Act on the Limitation of Liability for Damages of Specified Telecommunications Service Providers and the Right to Demand Disclosure of Identification Information of the Sender.
<Writer: Hideki Takaishi (Attorney-at-law licensed in Japan and California)>
https://www.ip.courts.go.jp/app/files/hanrei_en/936/002936.pdf