IP High Court, Reiwa 3 (Gyo-Ke) No. 10094 — PCSK9 (second litigation) (Judge Kanno)
日本語版 Article information Article type: Case note Category: Patents Topics: Support requirement First published on this site: 2026-10-10 Display/classification checked: 2026-10-10 IP High Court, Reiwa 3 (Gyo-Ke) No. 10094 — PCSK9 (second litigation) (Judge Kanno) *It was successfully proved that the technical significance asserted by the patentee did not hold! → Support requirement not satisfied. (Excerpt from the judgment, translated) …The technical significance of the invent
Tokyo High Court, Heisei 15 (Gyo-Ke) No. 166 — …Topical agent for treating atopic dermatitis (Judge Tsukahara)
日本語版 Article information Article type: Case note Category: Patents Topics: Patent eligibility First published on this site: 2026-10-10 Display/classification checked: 2026-10-10 Tokyo High Court, Heisei 15 (Gyo-Ke) No. 166 — …Topical agent for treating atopic dermatitis (Judge Tsukahara) *Falsity of the examples described in the specification was successfully established! → Not an “invention” eligible for a patent. (Excerpt from the judgment, translated) Although the specific
IP High Court, Heisei 31 (Gyo-Ke) No. 10055 — Mechanical fastener (Judge Otaka)
日本語版 Article information Article type: Case note Category: Patents Topics: Inventive step, Numerical limitations and parameters First published on this site: 2026-10-10 Display/classification checked: 2026-10-10 IP High Court, Heisei 31 (Gyo-Ke) No. 10055 — Mechanical fastener (Judge Otaka) *The claimed numerical range overlapped with the preferred numerical range disclosed in the cited reference. → The claimed numerical range was obvious. (Excerpt from the judgment, translat
Osaka District Court, Reiwa 4 (Wa) No. 11025 — Mite-trapping mat (Judge Matsuami)
日本語版 Article information Type: Case note Category: Patents Topics: Claim construction、Doctrine of equivalents First published on this site: 2026-10-09 Case / source information: Osaka District Court, Reiwa 4 (Wa) No. 11025 Display and classification checked: 2026-10-09 Osaka District Court, Reiwa 4 (Wa) No. 11025 — Mite-trapping mat (Judge Matsuami) *A “porous air-permeable bag” must have a structure that retains its contents inside and prevents their dispersal. → Claim limit
IP High Court, Reiwa 6 (Gyo-Ke) No. 10019 — Laminate of a polyester resin composition (Judge Miyasaka)
日本語版 Article information Type: Case note Category: Patents Topics: Inventive step, Motivation and teaching away First published on this site: 2026-10-09 Case / source information: IP High Court, Reiwa 6 (Gyo-Ke) No. 10019 Display and classification checked: 2026-10-09 IP High Court, Reiwa 6 (Gyo-Ke) No. 10019 — Laminate of a polyester resin composition (Judge Miyasaka) *The court recognized a general problem without requiring documentary evidence. → Inventive step denied. (Ex
IP High Court, Reiwa 6 (Ne) No. 10019 — Rolling device (Judge Miyasaka)
日本語版 Article information Type: Case note Category: Patents Topics: Claim construction First published on this site: 2026-10-09 Case / source information: IP High Court, Reiwa 6 (Ne) No. 10019 / Tokyo District Court, Reiwa 4 (Wa) No. 18830 Display and classification checked: 2026-10-09 IP High Court, Reiwa 6 (Ne) No. 10019 — Rolling device (Judge Miyasaka) *The appellate court rejected the narrow construction adopted below (Tokyo District Court, Reiwa 4 (Wa) No. 18830), but fo
Osaka District Court, Reiwa 6 (Wa) No. 7193 — Article transport equipment (Judge Matsuami)
Japanese version: https://www.takaishihideki.com/single-post/大阪地判令和6年-ワ-7193号【物品搬送設備】-松阿彌 Article information Article type: Case note Category: Patents Topics: Employee inventions Published on this website: 2026-10-08 Display/classification checked: 2026-10-12 Osaka District Court, Reiwa 6 (Wa) No. 7193 — Article transport equipment (Judge Matsuami) ⇒ The claim for compensation for an employee invention was dismissed. 1. The process of formulating and operating the regulation
Reiwa 5 (Wa) No. 70004 — Portable information communication device (Judge Takahashi)
Japanese version: https://www.takaishihideki.com/single-post/令和5年-ワ-70004【携帯情報通信装置】-髙橋 Article information Article type: Case note Category: Patents Topics: Inventive step Published on this website: 2026-10-08 Display/classification checked: 2026-10-12 Reiwa 5 (Wa) No. 70004 — Portable information communication device (Judge Takahashi) = Reiwa 5 (Wa) No. 70035 = Reiwa 4 (Wa) No. 70131 At the priority date of the patent at issue, it would have been easy for a person skilled in
IP High Court, Heisei 31 (Gyo-Ke) No. 10055 — Mechanical fastener (Judge Otaka)
Japanese version: https://www.takaishihideki.com/single-post/linkedin-7513748208679018496-ja Article information Article type: Case note Category: Patents Topics: Inventive step, Numerical limitations and parameters Published on this website: 2026-10-08 Display/classification checked: 2026-10-14 IP High Court, Heisei 31 (Gyo-Ke) No. 10055 — Mechanical fastener (Judge Otaka) The numerical range overlapped with the preferred numerical range described in the cited reference. ⇒ T
Intellectual Property High Court, Reiwa 6 (Ne) No. 10048 — Battery (Judge Nakadaira)
Japanese version: https://www.takaishihideki.com/single-post/知財高判令和6年-ネ-10048【電池】-中平 Article information Article type: Case note Category: Patents Topics: Claim interpretation / Inventive step / Injunctions / Damages Published on this website: 2026-10-08 Display/classification checked: 2026-10-12 Intellectual Property High Court, Reiwa 6 (Ne) No. 10048 — Battery (Judge Nakadaira) The judgment at first instance granting an injunction and JPY 1.27 billion was upheld. From the d
