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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Albania | 3 | 10 | 14 | 20 | 16 | 15 | 4 | 23 | |||||||
| Armenia | 119 | 206 | 136 | 121 | 137 | 125 | 121 | 113 | 125 | 107 | 101 | 112 | 63 | 40 | |
| Azerbaijan | 281 | 254 | 193 | 144 | 156 | 168 | 184 | 144 | 204 | 155 | 147 | 90 | 119 | ||
| Bulgaria | 198 | 231 | 261 | 243 | 262 | 245 | 282 | 218 | 280 | 230 | 202 | 180 | 186 | 239 | 165 |
| Georgia | 232 | 225 | 183 | 138 | 139 | 114 | 110 | 99 | 96 | 75 | 103 | 85 | 81 | 90 | |
| Greece | 241 | 306 | 462 | 728 | 722 | 628 | 698 | 651 | 550 | 606 | 498 | 430 | 356 | 400 | 394 |
| Moldova | 240 | 377 | 139 | 97 | 93 | 67 | 67 | 64 | 91 | 73 | 92 | 85 | 85 | 64 | |
| Romania | 2,752 | 1,003 | 916 | 1,382 | 1,424 | 1,022 | 993 | 952 | 975 | 1,005 | 1,098 | 1,100 | 881 | 817 | 772 |
| Russian Federation | 23,377 | 23,644 | 28,722 | 26,495 | 28,701 | 28,765 | 24,072 | 29,269 | 26,795 | 22,777 | 24,926 | 23,337 | 23,759 | 19,569 | |
| Serbia | 372 | 290 | 180 | 192 | 201 | 202 | 178 | 192 | 171 | 163 | 168 | 138 | 138 | ||
| Turkiye | 138 | 277 | 928 | 3,180 | 3,885 | 4,434 | 4,392 | 4,766 | 5,352 | 6,230 | 8,175 | 7,156 | 7,871 | 7,920 | 8,234 |
| Ukraine | 5,620 | 3,538 | 2,556 | 2,649 | 2,491 | 2,856 | 2,457 | 2,271 | 2,233 | 2,283 | 2,107 | 2,097 | 1,361 | 1,302 |