LAWYER PROFILE
Masahiro Samejima

Masahiro Samejima

Global 2026

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Ranked in 1 practice area

About

Provided by Uchida & Samejima Law Firm

Practice Areas

For long, Masahiro has been an attorney dedicated to technology and Intellectual Property.

He has a prestigious career as an IP litigator, as well as negotiator and consultant regarding the field. For these few years, he has turned his career to consulting practice aimed to SMEs, including startups particularly having innovative technologies.

Career

Masahiro studied at the Department of Metallurgical Engineering, Institute of Science Tokyo. He joied Fujikura Electric Wire Corporation (currently: Fujikura Ltd.) in 1985, engaged in the development of materials for electric wires. He qualified as a patent attorney in 1991. He joined IBM Japan Ltd. in 1992 and engaged in the management of intellectual properties. He qualified as a lawyer in 1999 and joiend the Oba & Ozaki Law Office. He joined the Matsuo Law Offices (currently, Legal Corporation Matsuo & Kosugi). He established the Uchida & Samejima Law Firm and has served as its managing partner ever since.

Professional Memberships

Member of AIPPI, APAA, LES, JPAA, Daini Tokyo Bar Association

Publications

Recommendation of Technology Law (1st and 2nd Editions), Recommendation of IP Strategy

Personal

Hobbies: Hot yoga, golf

Motto: “It is better to be the beak of a rooster than the tail of a cow.”

(This applies both to organizations and to my work.)

Education

the Department of Metallurgical Engineering, Institute of Science Tokyo

Bachelor

1981 - 1985

Awards

IP Achievement Award

the Ministry of Economy, Trade and Industry of Japan

2012

Key sectors

Aviation and AerospaceFinancial ServicesHealth and Life SciencesIndustrials, Engineering and ManufacturingTechnology, Media and Telecoms (TMT)

Chambers Review

Provided by Chambers

Chambers Global Guide

Intellectual Property: Domestic - Japan

Band 4
Band 4

Individual Editorial

Masahiro Samejima is one of the founding members of Uchida & Samejima Law Firm. He is a patent attorney with metallurgical engineering background and significant industry experience whose technical knowledge and expertise is often noted.

Ranked Individuals at Uchida & Samejima Law Firm (1)

Japan

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