Ballpoint pens; Ballpoints for ball point pens; Balls for ball-point pens; Boards having a foil surface on which to draw with special pens; Boards having a foil surface on which to write with special pens; Boxes for pens; Cases for pens; Ceramic tip pens; Colour pens; Coloured pens; Colouring pens; Containers for pens; Correcting pens; Correction pens; Desk organisers incorporating pens; Drawing pens; Etching pens; Felt pens; Felt pens for colouring; Felt pens for writing; Felt-tip pens; Felt-tip pens with capillary tops; Felt-tipped pens; Fibre pens; Film pens; Fluorescent markers (highlighter pens); Fountain pens; Glue pens for household purposes; Glue pens for stationery purposes; Holders for pens (writing instruments); Ink cartridges for pens; Ink for pens; Ink pens; Marker pens; Marking pens (stationery); Mechanical pens; Memo books with pens attached; Pens (office requisites); Pens (writing instruments); Pens incorporating ceramics; Pens or pencils of precious metal; Pension book holders (covers); Porous point pens; Protective tips for pens; Refills for ballpoint pens; Refills for fibre-tip pens; Refills for roller ball pens; Roller ball pens; Stands for pens and pencils; Steel pens; Stylographic pens; Text markers (highlighter pens); Text markers (pens); Tubular pens; Writing pens; Electrical letter openers for offices; Letter openers (knives); Letter openers (office machines); Artists' pencils sold in tins or boxes; Black lead pencils; Cases for pencils; Colour pencils; Holders for pencils (writing instruments); Pencils; Refills for black lead pencils; Sharpeners for cosmetic pencils; Openers for letters (knives); Openers for letters (knives) made of precious metal; Paper knives (cutters) (office requisites); Pencil knives