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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belgium | 643 | 577 | 517 | 620 | 636 | 755 | 715 | 889 | 949 | 1,054 | 1,001 | 892 | 876 | 862 | 799 |
| Luxembourg | 41 | 85 | 24 | 79 | 85 | 109 | 113 | 128 | 128 | 143 | 156 | 152 | 117 | 129 | 112 |
| Netherlands | 2,147 | 2,465 | 2,217 | 2,527 | 2,585 | 2,375 | 2,315 | 2,294 | 2,207 | 2,290 | 2,241 | 2,111 | 2,228 | 2,198 | 2,080 |