UPC narrows Brita patent, orders warning labels on Philips water filters
By Inbar Preiss ( August 22, 2025, 11:18 GMT | Insight) -- A Brita water filter patent has been narrowed by the Unified Patent Court, but judges ruled also that Philips-compatible cartridges indirectly infringe. They rejected exhaustion, imposed a limited injunction and required warning labels, maintaining consumers’ access to cheaper alternatives to Brita's filter cartridges.Water-purifying company Brita has had a filter patent narrowed in a Unified Patent Court ruling, confirming that purpose-limited device claims protect only the device itself and not the entire system....
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