Tokyo District Court, 2002 (Wa) 23687 [Telephone Card] <Iimura>
日本語原文 / Japanese original Article information Article type: Case note Category: Patents Topics: Divisional applications First published on this website: 2026-11-01 Display and classification checked: November 2, 2026 Originally published on Ameblo: 2025-05-30 (Japan time). Full English translation. https://ameblo.jp/hideki-takaishi/entry-12907044334.html Tokyo District Court, 2002 (Wa) 23687 [Telephone Card] <Iimura> *The rights holder's arguments during prosecution of the p
Kyoto District Court, 1996 (Wa) 1597 [Thermal Head]
日本語原文 / Japanese original Article information Article type: Case note Category: Patents Topics: Divisional applications First published on this website: 2026-11-01 Display and classification checked: November 2, 2026 Originally published on Ameblo: 2025-06-04 (Japan time). Full English translation. https://ameblo.jp/hideki-takaishi/entry-12908157393.html Kyoto District Court, 1996 (Wa) 1597 [Thermal Head] *The patentee's arguments during prosecution of the parent of a divisi
Osaka District Court, 2005 (Wa) 12207 [Goggles]
日本語原文 / Japanese original Article information Article type: Case note Category: Patents Topics: Divisional applications First published on this website: 2026-11-01 Display and classification checked: November 2, 2026 Originally published on Ameblo: 2025-06-01 (Japan time). Full English translation. https://ameblo.jp/hideki-takaishi/entry-12907494065.html Osaka District Court, 2005 (Wa) 12207 [Goggles] *The patentee's arguments during prosecution of the parent of a divisional
[Design] Tokyo District Court, 2021 (Wa) 30281 and Other Cases, “Protective Member and Push Handle” <Kokubu>
日本語原文 / Japanese original Article information Article type: Case note Category: Designs, Patents Topics: Divisional applications, Indirect infringement, Partial designs First published on this website: 2026-11-01 Display and classification checked: November 2, 2026 Originally published on Ameblo: 2025-05-18 (Japan time). Full English translation. https://ameblo.jp/hideki-takaishi/entry-12904118561.html [Design] Tokyo District Court, 2021 (Wa) 30281 and Other Cases, “Protectiv
![[Japan Patent Office Annual Report 2024] Sharp Increase in Patent “Divisional Applications”!! ⇒ Applications Back to 300,000!!](https://static.wixstatic.com/media/324a18_2d340a6731104e8b9362105cc71d1b6a~mv2.jpg/v1/fill/w_611,h_460,fp_0.50_0.50,q_30,blur_30,enc_avif,quality_auto/324a18_2d340a6731104e8b9362105cc71d1b6a~mv2.jpg)
![[Japan Patent Office Annual Report 2024] Sharp Increase in Patent “Divisional Applications”!! ⇒ Applications Back to 300,000!!](https://static.wixstatic.com/media/324a18_2d340a6731104e8b9362105cc71d1b6a~mv2.jpg/v1/fill/w_611,h_460,fp_0.50_0.50,q_90,enc_avif,quality_auto/324a18_2d340a6731104e8b9362105cc71d1b6a~mv2.jpg)
[Japan Patent Office Annual Report 2024] Sharp Increase in Patent “Divisional Applications”!! ⇒ Applications Back to 300,000!!
日本語原文 / Japanese original Article information Article type: Reports and activities Category: Patents Topics: Divisional applications First published on this website: 2026-11-01 Display and classification checked: November 2, 2026 Originally published on Ameblo: 2024-07-31 (Japan time). Full English translation. https://ameblo.jp/hideki-takaishi/entry-12861922914.html [Japan Patent Office Annual Report 2024] A sharp increase in patent “divisional applications”!! This is not
Deletion of All Claims Is Permitted in the JPO’s Q&A
Deletion of all claims is permitted in the JPO’s Q&A. I should therefore keep it in mind as a last resort for satisfying the requirement of restriction of claims in the parent-child-grandchild divisional-application problem. https://www.jpo.go.jp/faq/yokuaru/shinpan/document/inde
JPO Status Report 2025
The number of patent applications in Japan is recovering: 306,855 applications. Appeals against examiners’ decisions of refusal: 20,000. Requests for invalidation trials doubled to 186 (one person filed more than 50). Operation of suspension of examination of divisional applicati
IP High Court, 2023 (Gyo-Ke) 10085 — Image Forming Apparatus (Miyasaka)
* Even if a defect in the divisional procedure for a patent application has been overlooked, a “correction” to clarify an ambiguous statement cannot be made to cure it. If a defect in an amendment or division is overlooked and the patent is registered, the situation may become ir
Trial and Appeal Practitioners Study Group Report 2024 — Case 4 (Electrical 1)
日本語版 Article information Article type: Reports and activities Category: Patents Topics: Inventive step, Doctrine of equivalents, Added matter, Divisional applications, Examination and appeal practice First published on this site: 2026-10-11 Display/classification checked: 2026-10-11 Trial and Appeal Practitioners Study Group Report 2024 — Case 4 (Electrical 1) [Inventive step in business-related inventions] IP High Court, Reiwa 4 (Gyo-Ke) No. 10039 The judgment recognized an
[Article / Contracts] Agreements concerning the handling of joint applications, etc. (Katsumi Sakurai, Intellectual Property Management, Vol. 61, No. 2, 2011)
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 •
![Tokyo District Court, 2012 (Wa) 12351 [Rice Cake]](https://static.wixstatic.com/media/324a18_1e68d290faf1421383ef0182da9fd77b~mv2.png/v1/fill/w_225,h_125,fp_0.50_0.50,lg_1,q_35,blur_30,enc_avif,quality_auto/324a18_1e68d290faf1421383ef0182da9fd77b~mv2.png)
![Tokyo District Court, 2012 (Wa) 12351 [Rice Cake]](https://static.wixstatic.com/media/324a18_1e68d290faf1421383ef0182da9fd77b~mv2.png/v1/fill/w_152,h_84,fp_0.50_0.50,q_95,enc_avif,quality_auto/324a18_1e68d290faf1421383ef0182da9fd77b~mv2.png)
