J-GLOBAL         Last updated: Jun 29, 2019 at 03:59
Hitotsubashi University
Graduate School of Law
Job title

Research Interests


Research Areas


Academic & Professional Experience

Oct 2009
Jun 2013
Associate Professor, Graduate School of Law, Hitotsubashi University
Jul 2013
Professor, Graduate School of Law, Hitotsubashi University


Apr 1993
Mar 1998
Graduate School, Division of Law, Hitotsubashi University

Published Papers

7(7)    Dec 2017   [Refereed]
It appears from public records that no German stock exchange, exchange operator, or host state has ever been held liable by a court for trading irregularities at the exchange (such as clearly erroneous executions). The Tokyo Stock Exchange, in con...
Boersenhaftung fuer unterlassene Einstellung des Handels bei Stoerung des EDV-Handelssystems im Fall eines Mistrades: MIZUHO Wertpapier AG (MIZUHO) vs. Tokyo Stock Exchange (TSE), OLG Tokyo, Urteil v. 24. Juli 2013
19(38) 235-247   Feb 2015
Mihoko Sumita
115(1) 272-293   Jan 1996
Die Theorie des Deliktsrechts in der Verbrauchergeschafte
Hitotsubashi review      Mar 1998
Asia University law review    35(1) 117-157   Jul 2000

Books etc

Robot, AI and Law (co-authored and co-edited)
SUMIDA, Mihoko and KUDOH, Shunsuke (Part:Joint Editor)
Kobundo   Jan 2018   ISBN:978-4-335-35718
Civil Code (Law of Obligations) Reform in a Nutshell (jointly worked)
Yuhikaku   Oct 2017   ISBN:978-4-641-13735-6
BUSINESS LAW IN JAPAN – CASES AND COMMENTS: Intelectual Property, Civil, Commercial and International Private Law; Writing in Honour of Harald Baum
Mihoko Sumida (Part:Joint Work, Case No. 11: Civil Law – Consumer Contract Act – Case That Decided whether Gold Futures Prices Are ‘Important Matters’ under the Consumer Contract Act, Supreme Court, 30 March 2010, Case No. 909 ju 2008, Claims for Damages and Advance Money, Source: Hanr)
Wolters Kluwer Law & Business   May 2011   

Conference Activities & Talks

SUMIDA, Mihoko
1 Jun 2017   

Research Grants & Projects

Consumer Protection and unfair Competition Law
Project Year: Apr 2000 - Today
Das Suitability-Prinzip : eine zivilrechtliche Untersuchung
Project Year: Apr 2005 - Today
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research
Project Year: Apr 2010 - Mar 2012