There is no required approval process from the Bluetooth SIG for licensees using the Bluetooth Trademarks. However, all licensees have agreed to abide by the Bluetooth Trademark License Agreement, which includes the Bluetooth Brand Guide. If a company would like to have their materials reviewed prior to going into print and production, materials can be sent to Brand.Manager@bluetooth.com. The Bluetooth team will respond within 48 hours with approval or further guidance.