IP High Court, Case No. 2025 (Gyo-ke) 10051
[Pharmaceutical product] (Koa v. Toa) (Presiding Judge Masuda) *Inventive step denied
Tokyo District Court, Case No. 2024 (Wa) 70478
[Monitoring system] (Presiding Judge Takahashi) Inventive step denied, with "GPS BoT," the plaintiff's own publicly worked invention, as the primary reference. (Translation of the quoted judgment)
The Supreme Court's Product-by-Process Judgments
An English translation of Hideki Takaishi's 2015 commentary on the Supreme Court's PBP judgments and consistent claim construction.
Legal Update (Items Posted in January 2026)
A review of 34 articles published in January 2026 by attorney Hideki Takaishi, covering divisional applications, invalidity arguments, claim interpretation, international jurisdiction, standard-essential patents and employee inventions.
Legal Update (Items Posted in February 2026)
A review of 34 articles published in February 2026 by attorney Hideki Takaishi, covering claim interpretation, inventive step, inventorship, employee inventions, pharmaceutical patents, standard-essential patents and copyright.
Heisei 25 (Gyo-Ke) 10209 [Agent for Suppressing Vascular Intimal Thickening] <Shimizu>
日本語版 / Japanese version Article information Type: Case note Classification: Patents Topics: Inventive step, Motivation and teaching away First published on this site: 2023-12-31 Case number: Heisei 25 (Gyo-Ke) 10209 Display and classification checked: 2026-11-14 Heisei 25 (Gyo-Ke) 10209 [Agent for Suppressing Vascular Intimal Thickening] <Shimizu> * The claim is not framed as an agent for suppressing vascular intimal thickening!! (Incorporating effects into the claim) ⇒ It
<New YouTube Video> [Patents] IP Strategy That Serves Business (Publicly Releasable Extracts from a Five-Hour Paid Lecture / Two Hours)
日本語版 / Japanese version Article information Type: Lectures and videos Classification: Patents, Trademarks, Designs, Copyright, Unfair competition law, Other Japanese law, United States, Other foreign jurisdictions Topics: IP management, Divisional applications, Added matter, Numerical limitations and parameters, Extraterritorial application First published on this site: 2023-12-30 Display and classification checked: 2026-11-14 <New YouTube Video> [Patents] IP Strategy That Se
Heisei 20 (Gyo-Ke) 10366 [Gastritis Treatment Agent] <Iimura>
日本語版 / Japanese version Article information Type: Case note Classification: Patents Topics: Inventive step, Motivation and teaching away First published on this site: 2023-12-30 Case number: Heisei 20 (Gyo-Ke) 10366 Display and classification checked: 2026-11-14 Heisei 20 (Gyo-Ke) 10366 [Gastritis Treatment Agent] <Iimura> * Criteria for assessing inventive step of second-medical-use inventions * Proof through post-filing literature and opinion letters counteracting a teach
Heisei 15 (Gyo-Ke) 405 [Substituted 1,3-Oxathiolanes with Antiviral Activity] <Sato>
日本語版 / Japanese version Article information Type: Case note Classification: Patents Topics: Inventive step, Motivation and teaching away First published on this site: 2023-12-30 Case number: Heisei 15 (Gyo-Ke) 405 Display and classification checked: 2026-11-14 Heisei 15 (Gyo-Ke) 405 [Substituted 1,3-Oxathiolanes with Antiviral Activity] <Sato> ‘Even if cross-resistance is likely ... there is strong motivation to conduct experiments to confirm the drug's efficacy ... and simp
Heisei 17 (Gyo-Ke) 10717 [... Siloxane ...] <Tsukahara>
日本語版 / Japanese version Article information Type: Case note Classification: Patents Topics: Inventive step, Motivation and teaching away First published on this site: 2023-12-28 Case number: Heisei 17 (Gyo-Ke) 10717 Display and classification checked: 2026-11-14 Heisei 17 (Gyo-Ke) 10717 [... Siloxane ...] <Tsukahara> * Planarization is essential in the primary reference, but the secondary reference is unsuitable for it. ⇒ A teaching away exists!! ‘The overcoat layer of Cit