業務内容

Information Technology

Provider Liability Limitation Act; Identifying Senders and Posters

With the accelerating use of social media and other Internet communications, there is a growing risk that defamatory messages and data infringing on privacy will be disseminated. Once information is posted, others may quote it or repost it, causing further damage. As the majority of posts are anonymous, one must follow procedures under the Provider Liability Limitation Act in order to identify the sender or poster.


As legal advisor to a major Internet service provider, we have represented and advised on numerous lawsuits and unlitigated disputes relating to requests for disclosure of the identity of senders and posters.


Leveraging this experience, we assist victims of defamation and privacy infringement, including both corporate clients and their officers and employees, to demand that a content provider delete data and disclose the poster's identity, and to seek damages and criminal procedures against senders and posters, and also assist clients in responding to "iken shoukai" notices.

Information Technology