According to the Trademark Law, a trademark can be composed of characters, figures, letters, numbers, three-dimensional signs and color combinations, as well as the combination of the above elements.

Therefore, if there are special symbols in a trademark, it is ok to classify them as graphics, and the Trademark Office also handles them in this way.

so? +? -? There is no problem in applying for a registered trademark with symbols such as. However, you have to make it distinctive, that is, you have to make artistic treatment. If you don't do this, the Trademark Office will reject the application because the logo is not distinctive.