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HMD takes VoiceAge 4G patent battle to Germany’s constitutional court

By Inbar Preiss ( March 13, 2026, 16:37 GMT | Insight) -- HMD has filed a constitutional complaint challenging a ruling by Germany’s top court in its 4G standard-essential patent dispute with VoiceAge, arguing that judges wrongly refused to seek EU courts' guidance in January. The move shifts the battle from competition law to constitutional review.The German court battle over 4G patent licensing between audio technology specialist VoiceAge and phone maker HMD is not over....

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