| April 1, 2008 | Established the center（Director Professor MATSUURA Yoshiharu） |
| October 14, 2010 | Started co-research with TaiwanLII |
| May 31, 2011 | JSPS Grant-in-Aid for Scientific Research(S) “Development of an Environment to Share Legal Information of Countries of Chinese Ideograms in Plain Language” was issued. |
| June 14, 2012 | Signed the Memorandum of Understanding to Create an Academic Consortium for Sharing Legal Information of East Asia |
| October 29, 2012 | A new website for the database (eLen) was opened. |
| April 1, 2013 | Professor MASUDA Tomoko was appointed to the new Director |
| March 31, 2018 | Closed the center |
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