It can be typed through some input methods (such as Sogou input method).

Operation method:

1. First, select a place where text needs to be entered, such as Baidu Browser.

2. Then select Sogou input method, type in the pinyin of the trademark, and the option "?" will pop up below.

3. Click to use it and it will appear in the search bar.

4. In WPS, you can also choose symbols.

5. In Special Characters, select Registered.

6. Then select Insert to appear in the document.