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
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
IP High Court, Heisei 25 (Gyo-Ke) No. 10266 — Transparent film (Judge Ishii)
日本語版 Article information Article type: Case note Category: Patents Topics: Inventive step, Patent corrections, Added matter First published on this site: 2026-10-10 Display/classification checked: 2026-10-10 IP High Court, Heisei 25 (Gyo-Ke) No. 10266 — Transparent film (Judge Ishii) *A claim with a disclaimer does not introduce new technical matter if it does not affect the problem addressed by the invention. → Correction requirements satisfied, but inventive step denied aft
IP High Court, Reiwa 6 (Gyo-Ke) 10100 [Child safety seat for attachment to a vehicle seat] <Judge Nakadaira>
Japanese version: https://www.takaishihideki.com/single-post/令和6年-行ケ-10100【車両シートに取り付けるためのチャイルドセーフティシート】-中平 Article information Article type: Case note Category: Patents Topics: Patent corrections, Patent drafting and translation First published on this website: October 6, 2026 Case information: Reiwa 6 (Gyo-Ke) 10100 [Child safety seat for attachment to a vehicle seat] <Judge Nakadaira> Display/classification checked: October 6, 2026 IP High Court, Reiwa 6 (Gyo-Ke) 10100 [Chi
Can correcting “A and/or B” to “B” ever amount to an enlargement or alteration of claim scope?
Japanese version Article information Article type: Publication review Category: Patents Issues: Patent corrections First published on this website: 2026-10-03 Display and classification checked: 2026-10-03 Can correcting “A and/or B” to “B” ever amount to an enlargement or alteration of claim scope? For example: A container capable of carrying 10 cubic centimeters of liquid and/or solid? The reverse pattern is an enlargement or alteration caused by adding wording. For example
Tokyo District Court, Reiwa 5 (Wa) 70619 [Apparatus for measuring the difference between port and starboard vessel drafts] <Presiding Judge Nakashima>
日本語版を読む / Japanese version Article information Article type: Case note Category: Patents Topics: Patent corrections, Employee inventions First published on this website: October 2, 2026 Case number (as stated in the source): Tokyo District Court, Reiwa 5 (Wa) 70619 Display and classification checked: October 2, 2026 (not a re-review of the legal analysis) Tokyo District Court, Reiwa 5 (Wa) 70619 [Apparatus for measuring the difference between port and starboard vessel drafts]
IP High Court, Reiwa 6 (Ne) 10044 [Hair iron] <Presiding Judge Nakadaira>
日本語版を読む / Japanese version Article information Article type: Case note Category: Patents Topics: Patent corrections First published on this website: October 2, 2026 Case number (as stated in the source): Reiwa 6 (Ne) 10044 Display and classification checked: October 2, 2026 (not a re-review of the legal analysis) IP High Court, Reiwa 6 (Ne) 10044 [Hair iron] <Presiding Judge Nakadaira> * The appellant sought transfer-registration procedures under Article 74(1) of the Patent A
IP High Court, Reiwa 5 (Gyo-Ke) 10139 [Gaming machine] <Presiding Judge Hibiki Shimizu>
日本語版を読む / Japanese version Article information Article type: Case note Category: Patents Topics: Inventive step, Patent corrections First published on this website: October 2, 2026 Case number (as stated in the source): Reiwa 5 (Gyo-Ke) 10139 Display and classification checked: October 2, 2026 (not a re-review of the legal analysis) IP High Court, Reiwa 5 (Gyo-Ke) 10139 [Gaming machine] <Presiding Judge Hibiki Shimizu> The invention: In “partial auto mode,” less important eff
Osaka District Court, Reiwa 6 (Wa) 6010 [Network boot system] <Presiding Judge Matsuami>
日本語版を読む / Japanese version Article information Article type: Case note Category: Patents Topics: Doctrine of equivalents, Patent corrections First published on this website: October 2, 2026 Case number (as stated in the source): Osaka District Court, Reiwa 6 (Wa) 6010 Display and classification checked: October 2, 2026 (not a re-review of the legal analysis) Osaka District Court, Reiwa 6 (Wa) 6010 [Network boot system] <Presiding Judge Matsuami> The defendant's product does n
Tokyo District Court, Reiwa 5 (Wa) 70607 [Remotely operated unmanned boat] <Presiding Judge Sugiura>
日本語版を読む / Japanese version Article information Article type: Case note Category: Patents Topics: Patent corrections First published on this website: October 2, 2026 Case number (as stated in the source): Tokyo District Court, Reiwa 5 (Wa) 70607 Display and classification checked: October 2, 2026 (not a re-review of the legal analysis) Tokyo District Court, Reiwa 5 (Wa) 70607 [Remotely operated unmanned boat] <Presiding Judge Sugiura> ★ Element J specifies a first controller t
![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)
