If your registered trademark is in the registration category you are using, it can be used. The couplet should belong to the 16th category. If your trademark is registered in the 16th category, it can be used.
Class 16
Paper and cardboard, articles of paper and cardboard not included in other classes; printed matter; binding supplies; photographs; stationery; adhesives for stationery or household use; art supplies ; Paintbrushes; Typewriters and office supplies (other than furniture); Educational or teaching supplies (other than instruments); Plastic articles for packaging (not included in other classes); Printing type; Printing plates.
Notes
Class 16 mainly includes paper, paper products and office supplies.
This category includes in particular:
—paper cutters;
—mimeograph machines;
—plastic paper for packaging , plastic carry bags and plastic bags.
In particular, this division does not include:
——Certain paper and cardboard products (consult the alphabetical list of goods);
—— Paints (Class 2);
—Artists' hand tools (such as trowels, sculpture chisels) (Class 8).