Same as in previous post about IPC30, now I'll go deeper into analizing WO, US and EP applications from Y2K onward, reclassified into 35 classes.
That is the result in terms of number of classes by applications: 1/3 of them have 2 or more IPC35 classes... and some have up to 11 classes!
Forthcoming, as for IPC30, split by patent authority, most frequent couples and triples...
That is the result in terms of number of classes by applications: 1/3 of them have 2 or more IPC35 classes... and some have up to 11 classes!
# ipcs | appln_id | share |
1 | 3206871 | 67,45% |
2 | 1150794 | 24,21% |
3 | 302990 | 6,37% |
4 | 72915 | 1,53% |
5 | 16165 | 0,34% |
6 | 3419 | 0,07% |
7 | 796 | 0,02% |
8 | 205 | 0,00% |
9 | 41 | 0,00% |
10 | 24 | 0,00% |
11 | 4 | 0,00% |
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