Japan IP court accepts new prior art, reverses lower court patent win
By Toko Sekiguchi ( September 2, 2026, 08:13 GMT | Insight) -- Japan’s Intellectual Property High Court has overturned an injunction against a lightbulb manufacturer after finding that two patents asserted by HotaluX, the successor to NEC Lighting’s business, should not have been granted because the claimed technology was too close to earlier designs.Japan’s Intellectual Property High Court has overturned an injunction against a lightbulb manufacturer after finding that two patents asserted by HotaluX, the successor to NEC Lighting’s business, should not have been granted because the claimed technology was too close to earlier designs....
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