Patent applications are worldwide patent applications filed through the Patent Cooperation Treaty procedure or with a national patent office.
| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Czechia | 4,384 | 244 | 114 | 97 | 150 | 97 | 62 | 72 | 47 | 66 | 54 | 48 | 56 | 59 | |
| Hungary | 1,976 | 4,127 | 497 | 47 | 36 | 66 | 66 | 73 | 64 | 49 | 36 | 36 | 23 | 28 | 13 |
| Poland | 1,315 | 4,899 | 4,555 | 227 | 244 | 247 | 174 | 155 | 139 | 135 | 117 | 115 | 112 | 88 | 111 |
| Slovak Republic | 1,804 | 95 | 48 | 33 | 35 | 26 | 23 | 28 | 15 | 23 | 14 | 28 | 15 | 13 |