Topic guide: Claim interpretation and equivalents

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Explore articles on claim interpretation, the doctrine of equivalents and product-by-process claims. Consult the individual articles and their sources for the facts and discussion of each case.

Articles

Osaka District Court, Case No. 2024 (Wa) 7055

Tokyo District Court, Case No. 2024 (Wa) 70460

[Article / Patents] Examining the patentability of impurity claims (松岡徹, Patent, July 2024)

Tokyo District Court, Case No. 2024 (Wa) 70129

Case No. 2024 (Gyo-ke) 10077

Case No. 2025 (Ne) 10048

Case No. 2025 (Gyo-ke) 10037

Case No. 2025 (Gyo-ke) 10049

Osaka District Court, Case No. 2024 (Wa) 2606

Tokyo District Court, Case No. 2024 (Wa) 70225

Tokyo District Court, Case No. 2024 (Wa) 70478

The Supreme Court's Product-by-Process Judgments

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[IP Practice Online] “20 inventive-step issues, 3 min each” (Authors; supervisor: Hideki Takaishi)

[Article / Patents] Same patent and reference, but different novelty findings in IP High Court judgments by the same division on the same day (a trial-decision revocation action and an…

[Article / Patents] Double standards in inventive-step assessment (Hideki Takaishi, Patent, June 2024)

[IP Practice Online] Introduction of important patent judgments newly included in "Patent Case Law Encyclopedia, 4th edition" (Chizai Juku)

Topic guide: Claim interpretation and equivalents

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[Trademarks] Reiwa 6 (Gyo-Ke) 10098, “Health and Productivity Management EXPO” (健康経営EXPO) (Presiding Judge 本多)

[Trademarks] Reiwa 6 (Gyo-Ke) 10101, “SCANTECH” (Presiding Judge 増田)

[Article / Unfair competition] Relationship between “confusion” and “business interests” under Unfair Competition Prevention Act Article 2(1)(i) (横山久芳, Patent, October 2023)

[Article / US patents] Extraterritorial application of patent law (龍野文, Patent, November 2023)

[Article / Chinese patents] Points to note when claiming priority in China—focusing on a Chinese Supreme Court judgment (林軍, 胡春豊, Patent, December 2023)

Topic guide: Claim interpretation and equivalents

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Featured Posts

[IP Practice Online] “20 inventive-step issues, 3 min each” (Authors; supervisor: Hideki Takaishi)

[Article / Patents] Same patent and reference, but different novelty findings in IP High Court judgments by the same division on the same day (a trial-decision revocation action and an…

[Article / Patents] Double standards in inventive-step assessment (Hideki Takaishi, Patent, June 2024)

[IP Practice Online] Introduction of important patent judgments newly included in "Patent Case Law Encyclopedia, 4th edition" (Chizai Juku)

Recent Posts

Topic guide: Claim interpretation and equivalents

Topic guide: AI and intellectual property

Topic guide: Inventive step

Topic guide: Damages and enforcement

[Trademarks] Reiwa 6 (Gyo-Ke) 10098, “Health and Productivity Management EXPO” (健康経営EXPO) (Presiding Judge 本多)

[Trademarks] Reiwa 6 (Gyo-Ke) 10101, “SCANTECH” (Presiding Judge 増田)

[Article / Unfair competition] Relationship between “confusion” and “business interests” under Unfair Competition Prevention Act Article 2(1)(i) (横山久芳, Patent, October 2023)

[Article / US patents] Extraterritorial application of patent law (龍野文, Patent, November 2023)

[Article / Chinese patents] Points to note when claiming priority in China—focusing on a Chinese Supreme Court judgment (林軍, 胡春豊, Patent, December 2023)

[Article / Copyright] Supreme Court, Reiwa 3 (Ju) 1112, “Music school case” (久村吉伸, Patent, February 2024)

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