Chambers Review
Provided by Chambers
Intellectual Property: Domestic - Japan
What the Team is Known For
Abe, Ikubo & Katayama has a market-leading practice with experience defending multinationals in litigation related to IP infringement and invalidation actions. The firm takes on high-profile cases regarding patents, and offers strong technical knowledge in such industries as biotechnology, telecommunications and electronics. It has noted expertise in the pharmaceuticals and automotive sectors, and is highly accomplished in representing clients before the Japan Patent Office as well as the IP High Court and the Supreme Court. The team is also able to assist clients with patent portfolio management and protection strategy.
Strengths
Not only simple domestic matters, but the law firm also can handle international disputes involving US Companies.
Abe, Ikubo & Katayama have talents with a high level of expertise in all technical fields and provide a very deep and wide range of services. The service is of a high standard in all areas.
Work Highlights
Abe, Ikubo & Katayama represented Cygames in patent infringement litigation cases filed by Konami Digital Entertainment regarding the game “Uma Musume Pretty Derby”.
Notable practitioners
Eiji Katayama is an eminent lawyer whose engineering background serves his patent litigation practice well.
He has a very wide range of experience and skills and can handle overseas clients.
Hiroshi Kobayashi is a patent attorney admitted to practice intellectual property infringement litigation. He leverages over a decade of experience as patent counsel at major chemical and pharmaceutical companies to offer expert assistance on patent oppositions and enforcements.
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.
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.
Junichi Kitahara is a well-known lawyer handling complex commercial disputes for both domestic and international clients. His practice covers the pharmaceutical and technology sectors.
He is a well-rounded and excellent lawyer in patent litigation.
Makoto Hattori is dual-qualified in Japan and New York and represents multinational corporates across a range of patent litigation.
He has very strong expertise in the field of intellectual property and I feel a high level of confidence every time I review his in-depth comments.



