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This profile reflects asialaw research. The “(asialaw)” label indicates the source of this content.

This law firm has not supplied any contact details or supplementary information for this country or region. For more information about profiling options please contact Prin Shasiharan.
2025 Edition
Intellectual property (asialaw)
Notable
14 firms ranked
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Outstanding

Abe Ikubo & Katayama (asialaw)
2 practice areas
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Nakamura & Partners (asialaw)
1 practice area
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TMI Associates (asialaw)
11 practice areas
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Highly recommended

Anderson Mori & Tomotsune (asialaw)
14 practice areas
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Mori Hamada (asialaw)
18 practice areas
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Recommended

Kubota (asialaw) View profile
Nagashima Ohno & Tsunematsu (asialaw)
14 practice areas
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Nishimura & Asahi (asialaw)
15 practice areas
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Ohno & Partners (asialaw)
2 practice areas
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Notable

Atsumi & Sakai (asialaw)
16 practice areas
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Shiomizaka (asialaw)
2 practice areas
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Sueyoshi & Sato (asialaw)
1 practice area
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ZeLo (asialaw)
6 practice areas
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Overview

Established in 2017, ZeLo has quickly emerged as a dynamic corporate law firm in Japan, with particular strength in mergers and acquisitions, dispute resolution and finance. The firm has developed significant expertise in emerging sectors including artificial intelligence, Web3, healthcare and mobility, while maintaining traditional corporate advisory capabilities. Its intellectual property practice, launched in 2020 and led by practice head Toshihiko Adachi, handles patent and trademark filings while supporting the firm's broader corporate work.

Linked Reviews
Intellectual property (asialaw)

Work highlights 

Advised GungHo Online Entertainment as exclusive patent attorney adviser on comprehensive intellectual property management and enforcement. The firm implemented a centralised IP rights management system to address staffing challenges and conducted copyright investigations for brand protection. The ongoing mandate has strengthened GungHo's IP operations and rights management efficiency despite internal talent outflow. 

Advised Toyoshima & Co, a leading textile trading company, as patent attorney adviser on strategic intellectual property protection and innovation support. The firm manages multi-country patent filings and Patent Cooperation Treaty applications while developing risk-mitigated trademark strategies. The annual engagement has helped strengthen Toyoshima's global competitiveness and enabled its subcontractors to access government subsidies, potentially setting a precedent for patent rights in the fashion sector. 

Key clients 

Blue Industries, JCCL, SmartNews 

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