IP High Court, Reiwa 6 (Gyo-Ke) No. 10019 — Laminate of a polyester resin composition (Judge Miyasaka)
Updated: 2 days ago
Article information
Type: Case note
Category: Patents
Topics: Inventive step, Motivation and teaching away
First published on this site: 2026-10-09
Case / source information: IP High Court, Reiwa 6 (Gyo-Ke) No. 10019
Display and classification checked: 2026-10-09
IP High Court, Reiwa 6 (Gyo-Ke) No. 10019 — Laminate of a polyester resin composition (Judge Miyasaka)
*The court recognized a general problem without requiring documentary evidence.
→ Inventive step denied.
(Excerpt from the judgment, translated)
At the filing date, curbing depletion of petroleum resources and increases in atmospheric carbon dioxide, a cause of global warming, were general problems requiring no documentary citation. To address them, there was motivation to reduce polyethylene terephthalate made from petroleum-derived raw materials and replace it with polyethylene terephthalate made from biologically derived biomass materials. …A person skilled in the art could readily have adopted the matters disclosed in Cited Reference 5.
Original article (2025-09-26):
Originally posted on LinkedIn: https://www.linkedin.com/feed/update/urn:li:activity:7513753085509414912/
2026-10-09: Added a topic tag based on the article text and updated the topic display in Article information.
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2026-10-09: First published on this site from the LinkedIn original, with classification, article information, and consultation navigation.
2026-10-13: aligned canonical, hreflang, and search-index URLs with the published URLs. The original article text was not changed.
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