| Rank | Class | Patents | Class Description |
| 1 | A61K | | PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES (devices or methods special... |
| 2 | C07K | | PEPTIDES (peptides containing ß-lactam rings C07D; cyclic dipeptides not having ... |
| 3 | G01N | | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL P... |
| 4 | C12P | | FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND... |
| 5 | C12N | | MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF (biocides, pest repellants or at... |
| 6 | C07D | | HETEROCYCLIC COMPOUNDS (macromolecular compounds C08) [2]... |
| 7 | C07H | | SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS (derivative... |
| 8 | A01N | | PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preserva... |
| 9 | C12Q | | MEASURING OR TESTING PROCESSES INVOLVING ENZYMES OR MICROORGANISMS (immunoassay ... |
| 10 | C07C | | ACYCLIC OR CARBOCYCLIC COMPOUNDS (macromolecular compounds C08; production of or... |
| 11 | B01D | | SEPARATION (separating solids from solids by wet methods B03B, B03D, by pneumati... |
| 12 | A61M | | DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or... |
| 13 | A61P | | SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS [7... |
| 14 | C12S | | Class ID not recognized. |
| 15 | G01J | | MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PUL... |
