Top Patent Classifications
Showing top 20 classifications by patent count from April 21, 2025 to April 21, 2026
| Rank | Classification Code | Classification Name | Patent Count |
| 1 | H04L9/40 | Network security protocols | 18,058 |
| 2 | G06N20/00 | Machine learning | 15,386 |
| 3 | A61B5/00 | Medical measurements for diagnostic or identification purposes | 13,917 |
| 4 | H04L5/00 | Digital Information transmission arrangements | 12,981 |
| 5 | G06T7/00 | Image analysis | 11,241 |
| 6 | A61P35/00 | Antineoplastic agents for therapeutic or medicinal preparations | 10,789 |
| 7 | H01L23/00 | Semiconductor or other solid state devices | 9,912 |
| 8 | G06F3/01 | Human/computer interaction arrangements | 9,803 |
| 9 | Y02E60/10 | Energy storage using batteries | 9,594 |
| 10 | G06V10/82 | Video processing using neural networks | 9,141 |
| 11 | G06N3/08 | Learning methods for artificial neural networks | 8,797 |
| 12 | G06F3/06 | Electronic data storage arrangements | 8,740 |
| 13 | G06T2207/20081 | Algorithms for training image processing systems | 8,603 |
| 14 | A61K9/00 | Medicinal preparations characterised by special physical form | 7,979 |
| 15 | H04L9/32 | including means for verifying the identity or authority of a user of the syst... | 7,652 |
| 16 | G06T2207/20084 | Artificial neural networks [ANN] | 7,651 |
| 17 | G06F21/62 | Protecting access to data via a platform, e.g. using keys or access control r... | 7,519 |
| 18 | G06N3/045 | Combinations of networks | 7,359 |
| 19 | A61K45/06 | Mixtures of active ingredients without chemical characterisation, e.g. antiph... | 7,027 |
| 20 | H04N19/176 | the region being a block, e.g. a macroblock | 6,930 |