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Osamu Ito



Ito Osamu
Osamu Ito



Osamu is a Japanese qualified lawyer with over 25 years' experience advising Japanese and international clients on inbound and outbound matters.

Osamu specialises in M&A, joint ventures and general corporate, including advising international clients on various compliance matters in Japan relating to regulatory, employment and data protection.

Osamu's other noteworthy experience includes advising:

Qantas/Jetstar on a joint venture with Japan Airlines and Mitsubishi Corporation to establish Jestar Japan, a new low cost carrier.

Global Advanced Metals in the secured financing and acquisition structures in connection with the acquisition of a rare metals business in Japan.

Tyco TE Connectivity on a number of intra-group reorganisations, carve out and subsequent sale of various businesses in Japan (as part of global deal).

Barclays on establishing its Japanese private wealth joint venture with Sumitomo Mitsui Banking Corporation and Nikko Cordial.

Various multinational companies in restructuring the compensation and benefits packages for Japanese staff and the intra-group transfer of local employees.

Various international companies in investigating employee fraud issues of their Japanese subsidiaries.

A European automotives manufacturer in establishing data protection and employee training for their Japanese subsidiary.

A European pharmaceutical company on their co-development and co-promotion of certain pharmaceutical products with a leading Japanese pharmaceutical company.

Various US and European clients in setting up a presence in Japan and ongoing corporate, commercial and employment advice.

A Japanese financial services group on their anti-corruption due diligence in a South East Asian acquisition.

Experience highlights



Allen & Overy Gaikokuho Kyodo Jigyo Horitsu Jimusho
38F Roppongi Hills Mori Tower, 6-10-1 Roppongi, Minato-ku

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Attorney-at-law (bengoshi), Japan, 1992 (Tokyo Bar Association)


LLB, Hitotsubashi University, 1989

LLM, European and Commercial Laws, Queens' College, Cambridge University, 1996

Pro Bono

Representing an asylum seeker in applying for refugee status in Japan through administrative and court procedures.

Vice Chair, Foreign Lawyers and International Legal practice Committee, Japan Federation of Bar Associations.

Former Chair, International Committee, Tokyo Bar Association.


News & insights

Headshot of Osamu Ito

Publications: 03 JUNE 2021

Q&A with Osamu Ito – counsel in A&O’s Corporate team in Tokyo

For over 25 years Osamu has advised Japanese and international clients on inbound and outbound matters, specialising in M&A, joint ventures and general corporate work. He also advises clients on…

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Japan eases restrictions on foreign lawyers

Publications: 21 SEPTEMBER 2020

Japan eases restrictions on foreign lawyers

In May 2020, Japan's parliament passed a bill to amend the Act on Special Measures concerning the Handling of Legal Services by Foreign Lawyers (the Foreign Lawyers Act), which governs the provision…

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Abstract graphic

Publications: 19 JUNE 2020

Covid–19 coronavirus: emerging data protection and cybersecurity guidance (Updated 18 June 2020)

The Covid-19 coronavirus is creating a need for organisations to process personal data, for a variety of specific purposes (including managing and protecting their workforce, customers and the…

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Allen & Overy graphic

Publications: 03 APRIL 2020

Covid-19 coronavirus: how the APAC courts and arbitral institutions have adapted to the challenge

As Covid-19 coronavirus continues to spread across the globe, the various forums for dispute resolution worldwide find themselves presented with novel challenges, in particular relating to issues…

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