| 5/00 | Nano-biotechnology or nano-medicine, e.g. protein engineering or drug delivery |
| 10/00 | Nano-technology for information processing, storage or transmission, e.g. quantum computing or single electron logic |
| 15/00 | Nano-technology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors |
| 20/00 | Nano-optics, e.g. quantum optics or photonic crystals |
| 25/00 | Nano-magnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance |
| 30/00 | Nano-technology for materials or surface science, e.g. nano-composites |
| 35/00 | Methods or apparatus for measurement or analysis of nano-structures |
| 40/00 | Manufacture or treatment of nano-structures |
| 99/00 | Subject matter not provided for in other groups of this subclass |