Japan court says rival mite-trap sheet escaped patent infringement claim
By Toko Sekiguchi ( May 26, 2026, 08:26 GMT | Insight) -- The Osaka District Court rejected a patent infringement suit over commercial mite-trap sheets, ruling that a rival product using nonwoven fabric fell outside the scope of patents covering sponge- and mesh-based three-dimensional trapping structures in a decision highlighting the limits of Japan’s doctrine of equivalents.The Osaka District Court rejected a patent infringement suit over commercial mite-trap sheets, ruling that a rival product using nonwoven fabric fell outside the scope of patents covering sponge- and mesh-based three-dimensional trapping structures in a decision highlighting the limits of Japan’s doctrine of equivalents....
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