Skip to content

Observatoire des Actions de Groupe

Aya Ohsawa

Professor of Civil and Consumer Law, Faculty of Law, HOSEI University (Tokyo, Japan).

Born in 1977. Ph.D. in Law from Tokyo University in 2007. 

Specialist in consumer law and French-Japanese contract law.


Ohsawa, AyaAction collective pour la protection des consommateurs au Japon [PDF]


The Perfect Law Conference 2023 will be happening on April 27th and April 28th at Central Hall Westminister. Speaker include Han Jongneel, …

On April 29th, the 18th National Symposium on Class Actions will happen in Ontario, Canada. Registry is now open, and you can …

The Mass Action Forum 2023 will be happening on February 22nd and 23rd, in San Diego, at the El Prado at Balboa …

CPLJ Lecture Series

The CPLJ Lecture Series is part of the Comparative Procedural Law and Justice (CPLJ) project, which brings together more than one hundred academics worldwide. …