Patent applications are worldwide patent applications filed through the Patent Cooperation Treaty procedure or with a national patent office.
Patent applications among nonresidents (number)
| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
| Estonia | 791 | 15 | 13 | 15 | 5 | 17 | 6 | 6 | 1 | 4 | 6 | 1 | 2 | 1 |
| Latvia | 81 | 57 | 7 | 10 | 12 | 8 | 4 | 1 | 18 | 7 | 24 | 5 | 1 | 4 |
| Lithuania | 61 | 47 | 6 | 15 | 15 | 20 | 42 | 18 | 58 | 46 | 24 | 33 | 18 | 9 |