Hello, "Bluetooth" is a wireless technology that supports short-distance communication between devices. When it is used in telephones and other commodities, it directly indicates the technical characteristics of the designated commodities, and lacks the distinctiveness that the trademark should have, which has constituted the situation stipulated in Item (2) of Paragraph 1 of Article 11 of the Trademark Law.

article 11 of the trademark law? The following signs may not be registered as trademarks:

(1) only the common name, figure and model of the commodity;

(2) directly indicating the quality, main raw materials, function, use, weight, quantity and other characteristics of the goods;

(3) Other items lacking distinctive features.

the marks listed in the preceding paragraph can be registered as trademarks if they have been used to obtain distinctive features and are easy to identify.

if you can give detailed information, you can give a more detailed answer.