Osaka District Court, Heisei 23 (Wa) 15499 [Lid and Container Equipped with the Lid]
Updated: 1 hour ago
Article information
Type: Case note
Classification: Patents
Topics: Damages
First published on this site: 2023-12-05
Case number: Heisei 23 (Wa) 15499
Display and classification checked: 2026-11-14
Osaka District Court, Heisei 23 (Wa) 15499 [Lid and Container Equipped with the Lid]
<Damages> Article 102(2)
JPY 32.57 million awarded
Contribution rate 15% (85% reduction)
Alternative technologies: numerous containers can hold food and be heated
⇒ Only the plaintiff's product, the defendant's respective products, and the embodiment of the invention in Exhibit Otsu 30 integrally mold the flap portion and lid.
(Extract from the court's reasoning)
<Contribution rate>
The parties do not dispute that, in addition to the plaintiff's product and the defendant's respective products, numerous containers exist that can hold food and heat it. However, among those integrally molding the flap portion and lid, only the plaintiff's product, the defendant's respective products, and an embodiment of the invention in Exhibit Otsu 30 can be established.
The respective patented inventions have technical significance in producing the effect that ‘after cooking, moisture inside the container can be discharged through the opening. As a result, the container of the invention can suitably be used for cooking pasta, etc.’ (paragraph [0023]). Considering comprehensively these circumstances concerning the availability of substitutes, the technical significance of the respective patented inventions, and all other circumstances appearing in this case, a 15% contribution of the respective patented inventions to sales of the defendant's products is appropriate.
Originally published: 2023-12-05
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Update history
The first publication date and update dates are recorded separately. Display maintenance does not mean that the legal analysis was re-verified.
2026-11-14: Display and classification maintenance (article information, issue tags, language/SEO links, related articles, and consultation path added).
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