| 10/00 | Directed molecular evolution of macromolecules, e.g. RNA, DNA or proteins |
| 20/00 | Methods specially adapted for identifying library members |
| 20/02 | Methods specially adapted for identifying library members Identifying library members by their fixed physical location on a support or substrate |
| 20/04 | Methods specially adapted for identifying library members Identifying library members by means of a tag, label, or other readable or detectable entity associated with the library members, e.g. decoding processes |
| 20/06 | Methods specially adapted for identifying library members using iterative deconvolution techniques |
| 20/08 | Methods specially adapted for identifying library members Direct analysis of the library members per se by physical methods, e.g. spectroscopy |
| 30/00 | Methods of screening libraries |
| 30/02 | Methods of screening libraries In silico screening |
| 30/04 | Methods of screening libraries by measuring the ability to specifically bind a target molecule, e.g. antibody-antigen binding, receptor-ligand binding |
| 30/06 | Methods of screening libraries by measuring effects on living organisms, tissues or cells |
| 30/08 | Methods of screening libraries by measuring catalytic activity |
| 30/10 | Methods of screening libraries by measuring physical properties, e.g. mass |
| 40/00 | Libraries per se, e.g. arrays, mixtures |
| 40/02 | Libraries per se, e.g. arrays, mixtures Libraries contained in or displayed by micro-organisms, e.g. bacteria or animal cells; Libraries contained in or displayed by vectors, e.g. plasmids; Libraries containing only micro-organisms or vectors |
| 40/04 | Libraries per se, e.g. arrays, mixtures Libraries containing only organic compounds |
| 40/06 | Libraries per se, e.g. arrays, mixtures Libraries containing only organic compounds Libraries containing nucleotides or polynucleotides, or derivatives thereof |
| 40/08 | Libraries per se, e.g. arrays, mixtures Libraries containing only organic compounds Libraries containing nucleotides or polynucleotides, or derivatives thereof Libraries containing RNA or DNA which encodes proteins, e.g. gene libraries |
| 40/10 | Libraries per se, e.g. arrays, mixtures Libraries containing only organic compounds Libraries containing peptides or polypeptides, or derivatives thereof |
| 40/12 | Libraries per se, e.g. arrays, mixtures Libraries containing only organic compounds Libraries containing saccharides or polysaccharides, or derivatives thereof |
| 40/14 | Libraries per se, e.g. arrays, mixtures Libraries containing only organic compounds Libraries containing macromolecular compounds and not covered by groups C40B 40/06-C40B 40/12 |