IP High Court, Case No. 2025 (Gyo-ke) 10049

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Article information

Article type: Case note

Display and classification checked: 2026-09-30

Categories: Patents

Topics: Inventive step / Motivation and teaching away

Published on this website: 2026-09-29

IP High Court, Case No. 2025 (Gyo-ke) 10049

[Passenger conveyor] (Presiding Judge Nakadaira)

The plaintiff argued that "the cited invention … has already solved the problem by means for solving the problem that differ from those of the claimed invention."

However, this judgment held that "whether it has already been solved by another, different means of solution is unrelated to the existence of motivation."

(The quotations above are translations.)

⇒ Inventive step denied

https://lnkd.in/g-fEkb9W

https://lnkd.in/gGgbhwHD

hanrei-pdf-95470.pdf — courts.go.jp

Originally posted on LinkedIn: https://www.linkedin.com/feed/update/urn:li:activity:7509879288008163328/

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Updates and corrections

This log starts on 30 September 2026. Display and classification checks are distinct from a review of the legal analysis.

2026-09-30 — Presentation update: added the article type, this change log and a link to consultation options. The existing article text was preserved.

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October 28, 2026 — HT: Corrected verified names, case references, court labels, wording or judgment links where applicable. Existing commentary and materials have been retained.