Abe, Ikubo & Katayama

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NEWS

2026.4.10 We were highly evaluated in Lexology Index 2026 (formerly Who’s Who Legal)

2026.4.1 Akiko Mimura, Former Commissioner of the Japan Fair Trade Commission (JFTC), joined the firm as Of Counesel / Special Advisor.

2026.4.1 Yusuke Toyoda, Keita Okazaki, Fumika Sato and Keiichiro Koiso joined the firm.

2026.2.2 Our Fukuoka Office has relocated.

SEMINARS 　

2026.2.27 Lecture

【IPBA Annual Meeting and Conference 2026】Coordinated Insolvency Resolution for Interconnected Entities, a way Forward: Domestic and International Perspective
2025.10.23 Seminar

Judicial Symposium on Intellectual Property TOKYO 2025 “International Trends in IP Fields and the Role of Specialized IP Courts”

【English】https://www.youtube.com/watch?v=EwpF9XBJF6Y&t=2989s
2025.5.20

【23rd Advanced Summit on Life Sciences Patents】 From Administrative Trade Policy to Patent Systems in Europe and Asia

PUBLICATIONS 　

2026.4.8 Article

Legal 500: Employment and Labour Law Comparative Guide – Japan Chapter
Shoichiro Kajinami, Rikita Karakawa, Hitomi Onishi and Nozomi Uesaka has contributed to the 10th Edition of “Legal 500: Employment and Labour Law Comparative Guide – Japan Chapter” posted on the Legal 500 website。 The PDF of the Japan chapter is available below; ◆Japan Chapter ◆Legal Landscape
2026.2.12 Article

Tokyo as a Global Hub for SEP Resolution: The Tokyo District Court’s Strategic Guidelines
2026.1.31 Article

Japan: An Intellectual Property: Domestic Overview
Physician’s Actions and Patent Rights So-called “Breast Augmentation Composition Case” (Intellectual Property High Court Grand Panel Decision dated 19 March 2025 (2023 (ne) No 10040) First-Ever Supreme Court Decision Relating to Alleged Infringing Act Involving a Server Located Outside Japan Supreme Court Decision dated 3 March 2025 (2023 (ju) Nos 14, 15 and 2023 (ju) No 2028) A Significant Decision on the Scope of Extended Patent Rights District Court Grants SEP-Based Injunction and Determines FRAND Royalty Rates Tokyo District Court Decision dated 23 June 2025 (2023 (wa) No 70501) (Pantech v Google); Tokyo District Court Decision dated 10 April 2025 (2022 (wa) No 7976) (Pantech v ASUS)

AWARDS 　

2026.4.10 We were highly evaluated in Lexology Index 2026 (formerly Who’s Who Legal)

2026.1.14 We were highly evaluated in The Legal 500 Asia Pacific – 2026 Edition

2025.12.11 We were highly evaluated in Chambers Asia-Pacific 2026

2025.10.22 Our attorneys have been selected to feature in IAM Global Leaders 2026

2025.10.22 We were highly evaluated in Asialaw 2025 Rankings

Litigation, Business Restructuring,
and Intellectual Property.
Protecting Clients with Expertise
and Proven Results.

Abe, Ikubo & Katayama
Committed to delivering the best possible outcomes for clients, now and in the future.
We approach every matter with advanced expertise and strong enthusiasm.

SERVICES 　

As one of the leading law firms in Japan handling both domestic and international legal matters comprehensively,
we provide legal services that are responsive to the changing times.

We currently have a team of more than 180 members, including Attorneys-at-Law, Patent Attorneys, and administrative staff, to meet various legal needs across diverse fields.
Our clients span diverse industries, including domestic and international manufacturers, financial institutions, retailers, construction companies, and service providers.
We serve as counsel to approximately 400 companies in Japan alone. The firm’s scope of practice covers virtually all areas of law.

・Main Practice Areas

PROFESSIONALS 　

To effectively respond to the increasing diversification and complexity of matters entrusted to us,
we have a total of over 180 members, including Attorneys-at-Law, Patent Attorneys, and administrative staff.