2023 (Ne) 10101 [Lighting Device] <Shoji>
更新日：3 日前
Article information
Article type: Case note
Category: Patents
Topics: Doctrine of equivalents
First published on this website: 2026-11-01
Display and classification checked: November 2, 2026
Originally published on Ameblo: 2025-02-09 (Japan time). Full English translation.
2023 (Ne) 10101 [Lighting Device] <Shoji>
“[The patentee] argues that the essential part is changing color temperature according to the degree of wakefulness while keeping illuminance substantially constant. However, …the patented invention's contribution cannot be regarded as large compared with the prior art, so …it cannot be generalized to a broader concept ….”
⇒ First requirement of the doctrine of equivalents: not satisfied
Update history
The first-published date remains unchanged. Display maintenance, classification changes, related-article updates, and text corrections are recorded separately.
November 1, 2026: First published on this website.
November 2, 2026: Added article information, classification, topics, language navigation, related articles where the same case was confirmed, consultation guidance, and SEO. The original text and first-published date were preserved.
