[IP Practice Online] Explanation of Patent Eligibility Issues in the United States and Practical Responses in Patent Prosecution (Japanese and U.S. Patent Attorney Shigeki Takeuchi)
日本語原文 / Japanese original Article information Article type: Lectures and videos Category: United States Topics: Claim interpretation, Patent eligibility First published on this website: 2026-11-01 Display and classification checked: November 2, 2026 Originally published on Ameblo: 2025-12-09 (Japan time). Full English translation. https://ameblo.jp/hideki-takaishi/entry-12949482771.html [IP Practice Online] Explanation of Patent Eligibility Issues in the United States and Pra
[U.S. Patents] Claim Differentiation = 35 U.S.C. § 112(d)
日本語原文 / Japanese original Article information Article type: Case note Category: United States Topics: Claim interpretation First published on this website: 2026-11-01 Display and classification checked: November 2, 2026 Originally published on Ameblo: 2025-04-03 (Japan time). Full English translation. https://ameblo.jp/hideki-takaishi/entry-12892403149.html [U.S. Patents] Claim Differentiation = 35 U.S.C. § 112(d) 2024.10 NexStep v. Comcast Claims 1 and 4 are not construed
[U.S. Patents] UTTO v. Metrotech (October 2024, CAFC)
日本語原文 / Japanese original Article information Article type: Case note Category: United States Topics: Claim interpretation First published on this website: 2026-11-01 Display and classification checked: November 2, 2026 Originally published on Ameblo: 2025-04-04 (Japan time). Full English translation. https://ameblo.jp/hideki-takaishi/entry-12892528928.html [U.S. Patents] UTTO v. Metrotech (October 2024, CAFC) Plural claim language is presumed to mean more than one, but the
Osaka District Court, 2022 (Wa) 3344 — Method for Producing a High-Purity PTH-Containing Lyophilized Preparation (Takemiya)
① ★ “Suppressing contact with ozone at 0.1 ppm or less” in Claim Limitation 1C need only be achieved by some method. ⇒ Satisfied. ② ★ Novelty / inventive step affirmed on the basis that the purpose differs from the prior art. * If “suppressing contact with ozone at 0.1 ppm or les
Osaka District Court, 1998 (Wa) 12899 — Electric Pipe Bending Apparatus
* The defendant simultaneously sold an “electric straight-pipe bender,” a “bender shoe,” and a “bender guide.” Assembling the three infringed the patent. ⇒ Held to constitute direct infringement!! * The estoppel objection under the fifth requirement was rejected, and equivalence
IP High Court Grand Panel, 2023 (Ne) 10040 — Composition for Breast Augmentation
Unlike the first-instance judgment, the court found that the appellee had prepared and administered a drug containing components ①, ②, and ③ simultaneously. ⇒ Claim limitations satisfied: the patentee won on reversal. * The closely watched issue of whether separate administration


Tokyo District Court, 2024 (Yo) 30029 — Age-Related Macular Degeneration (Nakashima, Civil Division 40)
★ Application for a provisional injunction based on violation of the Unfair Competition Prevention Act: a case denying patent infringement by finding that the medical-use invention was not worked under an “exclusively” standard and that, on the patentee’s argument that a certain
IP High Court, 2024 (Ne) 10026 — Thermoplastic Resin Composition: Rounding and Equivalents (Miyasaka)
Numerical rounding and the doctrine of equivalents The issue was whether the appellee’s product, with a molecular weight of 699.91848, satisfied the numerical limitation of a molecular weight of “700 or more.” ⇒ Ultimately, because the applicant had “deliberately” drawn the line
Tokyo District Court, 2023 (Wa) 70001 — Wastewater Treatment Apparatus (Shibata)
“The means for solving the problem … ‘oxygen supply means for supplying micro-nanobubbles containing oxygen into the second containment tank,’ unlike the supply means for the first containment tank, … does not include supply means that supplies micro-nanobubbles to which ozone ha
Intellectual Property High Court (Grand Panel), Reiwa 5 (Ne) No. 10040 — Composition for promoting an increase in subcutaneous adipose tissue (Judge Honda)
日本語版 Article information Article type: Case note Category: Patents Topics: Claim interpretation First published on this site: 2026-10-10 Display/classification checked: 2026-10-10 Intellectual Property High Court (Grand Panel), Reiwa 5 (Ne) No. 10040 — Composition for promoting an increase in subcutaneous adipose tissue (Judge Honda) *Where consideration is received, the act generally does not constitute experimentation or research under Article 69(1) of the Patent Act. Unlik
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![Tokyo District Court, 2012 (Wa) 12351 [Rice Cake]](https://static.wixstatic.com/media/324a18_1e68d290faf1421383ef0182da9fd77b~mv2.png/v1/fill/w_38,h_21,fp_0.50_0.50,q_95,enc_avif,quality_auto/324a18_1e68d290faf1421383ef0182da9fd77b~mv2.webp)