BAT Nixes Japanese Rival's Patent For User-Friendly Vape

By Hanna Vioque ( August 5, 2026, 5:41 PM BST) -- British American Tobacco has convinced European officials to revoke a Japan Tobacco Group unit's patent for a vape, as a prior application already revealed the idea of having a cartridge showing users how much tobacco liquid was remaining without awkwardly bulking up the pen....

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