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2025 Edition
Outstanding
Highly recommended
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Outstanding
Highly recommended
Recommended
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Outstanding
Highly recommended
Recommended
Notable
Outstanding
Highly recommended
Recommended
Notable
Overview
Abe Ikubo & Katayama is a market-leading intellectual property practice with a proven track record across the full range of IP, especially in IP infringement litigation. The firm offers strong technical knowledge in the fields of pharmaceuticals, chemicals, biotechnology, electronics and telecommunications. Eiji Katayama and Hiroshi Kobayashi are key contacts.
Linked Reviews
Intellectual property (asialaw)
Represented Daio Paper Corporation in successfully defending against patent infringement claims brought by Nippon Paper Crecia at the Tokyo District Court. The dispute centred on Daio's extra-long toilet-paper rolls (3.2 times longer than conventional products), which Crecia alleged infringed its three patents related to surface texturing technology. The court ruled in August 2024 that Daio's specifications fell outside Crecia's patent scope.
Key clients
Cygames, Daisho Japan, Nippon Shinyaku, Pocketpair