Abe, Ikubo & Katayama Law Firm

Abe, Ikubo & Katayama Law Firm is a Tokyo-based leader in intellectual property law, handling patent infringement litigation, portfolio management and IP strategy across a wide range of sectors. The firm has strong technical knowledge in pharmaceuticals, chemicals, biotechnology, electronics and telecommunications, and frequently represents clients before the Japan Patent Office, the IP High Court and other tribunals. This combination of technical depth and litigation experience enables clients to protect, enforce and monetize their IP assets effectively.

Beyond IP, the firm provides robust corporate and commercial advice, with emphasis on corporate reorganizations, M&A, international matters, finance and compliance. The team supports clients through complex restructurings, cross border transactions and strategic investments, helping businesses stabilize, reorganize and realize growth. The practice brings together lawyers with insolvency and restructuring expertise alongside corporate and transactional specialists to deliver integrated solutions.

AIK is known for high stakes disputes and litigation capabilities across IP and corporate matters, with a client service philosophy grounded in the 3S Spirit. The firm emphasizes responsive communication, practical strategy and long term client relationships, supported by a staff exceeding 160 professionals including attorneys, patent specialists and administrative personnel. The result is a service that combines rigorous legal analysis with efficient execution to achieve favorable results for clients.