SUMITANI, Yuji
[Division & Section] Law Division
Associate
2018 Admission as Attorney-at-law
Telephone: +81-80-2216-1048
Email: sumitani@yuasa-hara.co.jp
Practice Areas
Unfair Competition Copyright Law General Corporate Cross-border Practices Intellectual Property Patents Designs Trademarks
Major Areas of Expertise
Patents, Trade Secrets, Trademarks, Designs, Copyrights, Unfair Competition, Anti-Counterfeiting/Brand Management, Domains, General IP , Information Law(personal information, privacy, data protection) AI, IoT, Robotics, Cyber and date-related fields, System Development Disputes, Software, Cyber Security, Entertainment, E-sports, Gaming-related Fields Labor/HR advice, Labor Disputes, Insolvency and Restructuring, PFI, M&A, Joint Ventures, Commercial Transactions, Regulatory Law, Consumer Law, Inheritance Dispute Resolution, other Contractual, Corporate and International legal matters, etc
Membership & Other Qualifications
Intellectual Property Net, Japanese Society for Artificial Intelligence
Education & Experience
Academic History
- 2015
- KOBE University, LL.B
- 2017
- KOBE University, JD
Job History
- 2019
- Yuasa and Hara
Awards & Achievements
The Best Lawyers: Ones to Watch in Japan 2023 (Corporate and Mergers and Acquisitions Law)
The Best Lawyers: Ones to Watch in Japan 2024 (Corporate and Mergers and Acquisitions Law)
The Best Lawyers: Ones to Watch in Japan 2025 (Corporate and Mergers and Acquisitions Law)
The Best Lawyers: Ones to Watch in Japan 2026 (Corporate and Mergers and Acquisitions Law)
Publications
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Publications Intellectual Property、Trademarks
Trademark Case No.83 The “Nepal Tiger” case（Consideration of Descriptive Trademarks, Comparison with the “Tibet Tiger” and “hololive Indonesia” Cases)
SUMITANI, Yuji
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Publications Copyright Law、Intellectual Property、Patents、Trademarks
Q&A Practice for Prevention and Treatment of Intellectual Property Troubles “Cross License Agreements – Strategic Use and Legal Considerations “
SUMITANI, Yuji
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Publications Intellectual Property、Trademarks
Q&A Practice for Prevention and Treatment of Intellectual Property Troubles “Existence of prior registered trademarks and the Consent System. “
SUMITANI, Yuji
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Publications Intellectual Property、Patents
Q&A Practice for Prevention and Treatment of Intellectual Property Troubles “Employees and Intellectual property rights “
SUMITANI, Yuji
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Publications Intellectual Property
Q&A Practice for Prevention and Treatment of Intellectual Property Troubles “ Trade secrets and Employee career changes “）
SUMITANI, Yuji
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Publications
Q&A Practice for Prevention and Treatment of Intellectual Property Troubles “Third-Party Opinion Solicitation System in Patent Infringement Litigation “（Amicus Curiae similar system）
SUMITANI, Yuji
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Publications
Q&A Practice for Prevention and Treatment of Intellectual Property Troubles “Otherwise Provided” in the Joint Filing Agreement.
SUMITANI, Yuji
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Publications Intellectual Property、Patents
Q&A Practice for Prevention and Treatment of Intellectual Property Troubles “License Fee after Extinction of Patent Right by Expiration of Duration
SUMITANI, Yuji
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Publications Trademarks
Trademark Case No. 66 “Sohonke Surugaya” Case for Cancellation of Trial Decision
SUMITANI, Yuji
Telephone
+81(3)3270-6641