LAWYER PROFILE

Keitaro Oshimo

Asia-Pacific 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

Insurance

Japan

12 years ranked

About

Provided by Nagashima Ohno & Tsunematsu

Asia-Pacific

Practice Areas

Insurance transactions, financial regulations/fund management

Career

Admitted to Bar in Japan and joined Nagashima & Ohno (1989); worked for Bogle & Gates, Seattle (1992-93); worked for Simmons & Simmons, London (1993); Visiting Professor, The University of Tokyo School of Law (2013-16).

Professional Memberships

Dai-ichi Tokyo Bar Association

Publications

"Getting the Deal Through - Insurance & Reinsurance" (every version from 2012-2019), "Getting the Deal Through - Insurance Litigation" (every version from 2014-19), "Lexology Getting The Deal Through - Insurance & Reinsurance 2020-2023" and "Lexology Panoramic - Insurance & Reinsurance 2024-25".

Personal

The University of Tokyo (LLB, 1987), Harvard Law School(LLM, 1992).

Chambers Review

Provided by Chambers

Chambers Asia & Pacific

Insurance - Japan

Senior Statesperson
Senior Statespeople

Individual Editorial

Keitaro Oshimo heads Nagashima Ohno & Tsunematsu's insurance practice. He advises clients on insurance law, including financial regulations and compliance.

Ranked Individuals at Nagashima Ohno & Tsunematsu (52)

Japan

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership