http://ipkitten.blogspot.com/2025/05/glaxos-colour-trade-mark-for-inhalers.html
Abstract colour trade marks are notoriously difficult to protect in the EU, even in rather specialized product markets like that of inhalers. The German Patent Court recently invalidated Glaxo’s violet colour mark for such goods (case 25 W (pat) 29/22). Background In 2015, Glaxo obtained registration of German trade mark no. 302015044432 for the colour purple (Pantone 2587C): It
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