The pen belongs to the 1614 group of the 16th category in the trademark registration:

Pen 160002, pen tip 160011, pencil 160031, painter's brush (paint brush) 160050, pencil lead 160105, pencil case 160113, mechanical pencil 160114, nib 160131, pen case 160133, gold nib 160134, writing materials 160136, charcoal pen 160160, drawing pen 160185, fountain pen 160225, fountain pen (office supplies) 160242, ballpoint pen roller 160253, paintbrush 160273, pen holder 160299, writing brush 160342, writing instrument 160343? Mechanical pencil C160086, crayon C160087, dip pen C160088, ballpoint pen ink C160089, layout pen (stationery) C160090, curve pen C160091, pen case C160092, pen holder C1600 93, oil pastel C160094, Sketch charcoal strip C160095, whiteboard pen C160096, marker pen (stationery) 160359.

Note: 1. This similar group is similar to 1611 office necessities, stationery, and school supplies (stationery) except furniture;

2. Writing materials are similar to 1605 Part (1), 1612 products are similar; 3. Row of brushes (stationery) are similar to 2107 row of brushes.