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Yasufumi Shiroyama
Lawyers profile
Asia-Pacific 2025
Lawyers profile | Asia-Pacific 2025: Intellectual Property: Bengoshi, Life Sciences
Yasufumi Shiroyama
Ranked in 2 Practice Areas
1

Band 1

Intellectual Property: Bengoshi

Japan

3 Years Ranked

2

Band 2

Life Sciences

Japan

8 Years Ranked

Ranked in Guides
Global 2025

About

Provided by Yasufumi Shiroyama

Asia-Pacific

Practice Areas

Patent litigation. In particular he regularly represents both local and foreign clients for patent litigation in various technology areas, including telecommunication and life science, as well as advising on other types of disputes and transactions in relation to intellectual property.

Career

Admitted in Japan (1994)

Professional Memberships

Dai-ichi Tokyo Bar Association, Japan Patent Attorneys Association, AIPPI Japan, LES Japan, INTA.

Personal

The University of Tokyo (LLB, 1992); University of California, Davis (LLM, 1998)

Chambers Review

Provided by Chambers

Chambers Asia & Pacific

Intellectual Property: Bengoshi - Japan

1
Band 1
Individual Editorial

Yasufumi Shiroyama heads Anderson Mori & Tomotsune's intellectual property practice group and is well regarded for his expertise in IP litigation, acting for a range of leading international companies. He regularly handles patent infringement disputes in district and appellate courts in Japan.

View ranking table

Life Sciences - Japan

2
Band 2
Individual Editorial
Yasufumi Shiroyama is a key member of the life sciences team, utilising his IP expertise to handle patent disputes in this sector.
Learn more about this team❖View ranking table

Strengths

Provided by Chambers

The service met our expectations, and the content was at a very high level.

Intellectual Property: Bengoshi respondent
Chambers Asia & Pacific

His advice is practical and reasonable.

Intellectual Property: Bengoshi respondent
Chambers Asia & Pacific

Yasufumi Shiroyama is intelligent and always cheerful. As he always proposes solutions in discussions, it is possible to reach a conclusion in a short time.

Life Sciences respondent
Chambers Asia & Pacific

The balance of advice he gives us is always comfortable and persuasive.

Life Sciences respondent
Chambers Asia & Pacific

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