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IP & Technology Newsletter Vol.1 (2026)

IP & Technology Newsletter Vol.1 (2026)
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Authors Key Contacts
Yuta Oishi
Shogo Tsunoda
Yuta Ito
Akito Hizatate
IssueFeb 2, 2026
Practice Areas
Intellectual Property

IP & Technology Newsletter Vol.1 (2026) has been published.

Contents
Ⅰ．KADOKAWA Corp., et al. v. Cloudflare, Inc. — Liability of CDN Operators for Damages Resulting from Providing Services to Unauthorized Manga Piracy Sites
(Tokyo District Court Judgment, November 19, 2025; 2022 (Wa) No. 2388, Claim for Damages)

Ⅱ．The court found infringement of a patent related to sutures for surgical use and the Defendant was ordered to pay approximately JPY 7 billion in damages.
(Tokyo District Court Judgment dated April 24, 2025 (Case No. 2019 (Wa) 16120 seeking damages, etc., for infringement of patent right))

Ⅲ．Dwango v. FC2 — Cross-Border Network Businesses and the Territoriality Principle in Japanese Patent Law
(Supreme Court Judgments of March 3, 2025 (2023 (Ju) Nos. 14 and 15) and March 3, 2025 (2023 (Ju) No. 2028))

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