1. Pens belong to Class 16 in the trademark registration and are in the 1614 group. 2. Class 1614 group also includes: pen 160002, pen clip 160011, pencil 160031, painter Brush (paint brush) 160050, pencil lead 160105, mechanical pencil 160114, pen tip 160131, gold pen tip 160134, writing materials 160136, charcoal pen 160160, drawing pen 160185, fountain pen 160225, fountain pen (office supplies) 160242, ballpoint pen ball 160253, Brush 160273, pen holder 160299, writing brush 160342, writing instrument 160343, marker pen (stationery) 160359

※ Mechanical pencil C160086, crayon C160087, dip pen C160088, ballpoint pen ink C160089, marker pen (stationery) C16009 0, Curve pen C160091, pen case C160092, oil pastel C160094, sketch charcoal strip C160095, whiteboard pen C160096