Intellectual Property: Benrishi
Japan
2 years ranked
LAWYER PROFILE
Shimako Kato
Asia-Pacific 2026
Ranked in 1 practice area
About
Provided by Abe, Ikubo & Katayama
Asia-Pacific
Practice Areas
Shimako is a partner and patent attorney at Abe, Ikubo and Katayama. She has extensive experience in patent litigation across a wide range of technical fields, including mechanical engineering, chemistry, polymer technology, and pharmaceuticals. Her practice focuses on patent infringement litigation, revocation actions before the IP High Court, and invalidation trials before the Japan Patent Office. She also advises clients on patent enforcement, validity, and related strategic matters.
Career
Abe, Ikubo and Katayama (2006-)
Tokyo District Court, Judicial Research Official (2002-2005)
Japan Patent Office, patent examiner and member of the Board of Appeal (1988-2006)
Professional Memberships
Faculty of Waseda University’s LL.M. program in Intellectual Property Law (2018-)
Experience
Shimako developed her international expertise by studying German patent litigation practice under Judge Thomas Kühnen at the Higher Regional Court of Düsseldorf (2006). She also undertook professional training at the European Patent Office and the German Patent Office(1998).
Chambers Review
Provided by Chambers
Chambers Asia & Pacific
Intellectual Property: Benrishi - Japan
Band 2
Individual Editorial
Shimako Kato is sought after for her experience in patent-related disputes. Her background in material engineering enables her to represent clients in highly technical matters.
Strengths
Provided by Chambers
She has experience in patent prosecution as an examiner at the Japan Patent Office, so she has a high level of expertise in the field of patents.
Intellectual Property: BenrishiChambers Asia & Pacific
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