Patent Case Law and Intellectual Property Practice Blog

Japanese version: https://www.takaishihideki.com/single-post/linkedin-7513419555235434496-ja Article information Article type: Publication review Categories: Patents Issues: Joint ownership, Contracts Published on website: 2026-10-08 Display and classification checked: 2026-10-08 [Article / Contracts] Examination of provisions in joint patent application agreements between universities and companies (Minoru Tokita, Intellectual Property Management, Vol. 75, No. 5, 2025) The o

Japanese version: https://www.takaishihideki.com/single-post/linkedin-7513746680962289664-ja Article information Article type: Case note Categories: Patents Issues: Support requirement Published on website: 2026-10-08 Display/classification checked: 2026-10-10 Tokyo District Court, Reiwa 2 (Wa) No. 4331 — Heated aerosol-generating device (Judge Nakashima) *Embodiments that cannot solve the problem are not included within the scope of the claims. → Support requirement satisfie

Japanese version: https://www.takaishihideki.com/single-post/linkedin-7513747399119626240-ja Article information Article type: Case note Categories: Patents Issues: Support requirement Published on website: 2026-10-08 Display and classification checked: 2026-10-08 IP High Court, Reiwa 1 (Gyo-Ke) No. 10103 — Support structure for a concrete foundation (Judge Mori) *The court defined the problem at a less demanding level. → Support requirement satisfied. (Excerpt from the judgm

Japanese version: https://www.takaishihideki.com/single-post/linkedin-7513418920406556672-ja Article information Article type: Case note Categories: Patents Issues: Patent eligibility, Enablement Published on website: 2026-10-08 Display and classification checked: 2026-10-08 IP High Court, Reiwa 6 (Gyo-Ke) 10014 [Acceleration recovery generator] <Judge Miyasaka> [Claim 1] A motor drives a weight at the end of an arm through: (1) acceleration → (2) high-speed forward rotation

Japanese version: https://www.takaishihideki.com/single-post/linkedin-7513418313813618688-ja Article information Article type: Case note Categories: Patents Issues: Inventive step Published on website: 2026-10-08 Display and classification checked: 2026-10-08 IP High Court, Reiwa 5 (Gyo-Ke) 10100 [Gas-scrubber fluid purification apparatus] <Judge Shimizu> The invention's technical significance lies in dividing functions between the scrubber body and the separation system thro

Japanese version: https://www.takaishihideki.com/single-post/linkedin-7513747137831104514-ja Article information Article type: Case note Categories: Patents Issues: Support requirement Published on website: 2026-10-08 Display and classification checked: 2026-10-08 IP High Court, Reiwa 5 (Gyo-Ke) No. 10098 — Laundry detergent composition (Judge Shoji) *Even an effect rated “3” constitutes a certain degree of effect. → Support requirement satisfied. (Excerpt from the judgment,

Japanese version: https://www.takaishihideki.com/single-post/linkedin-7513415778080141312-ja Article information Article type: Case note Categories: Patents Issues: Cancellation of JPO decision Published on website: 2026-10-08 Display and classification checked: 2026-10-08 IP High Court, Reiwa 6 (Gyo-Ke) 10016 [Undried tea paste] <Judge Nakadaira> The decision dismissed a request for retrial of a JPO decision upholding refusal. Although the original decision had not yet becom

Japanese version: https://www.takaishihideki.com/single-post/linkedin-7513417554057510913-ja Article information Article type: Case note Categories: Patents Issues: Claim construction Published on website: 2026-10-08 Display and classification checked: 2026-10-08 Tokyo District Court, Reiwa 5 (Wa) 70393 [Foldable and stowable temporary protective fence] <Judge Nakashima> * The problem was to reduce weight and make the structure more compact. ⇒ A “pivoting plate-shaped member”

日本語版 Article information Article type: Publication review Categories: Patents Topics: Licensing / Divisional applications / Export controls and foreign filing First published on this website: 2026-10-07 Display and classification checked: 2026-10-07 [Article / Contracts] Agreements concerning the handling of joint applications, etc. (Katsumi Sakurai, Intellectual Property Management, Vol. 61, No. 2, 2011) Points to check • Existing agreements • Commencement of the agreement •

日本語版 Article information Article type: Lectures and videos Categories: Patents Topics: IP management First published on this website: 2026-10-07 Display and classification checked: 2026-10-07 [IP Practice Online] “A compass for succeeding in future markets: How to turn IP landscaping into a management tool” (Hiroshi Hirose, patent attorney, Ebara Corporation) * A must-watch video that examines, from an internal corporate perspective and with consultants' roles also in mind, t