Bulgaria vs Köln: Patent applications to the EPO by priority year by NUTS 3 region

Bulgaria
30.57
in 2012
Köln
898.01
in 2012
Bulgaria rank
23rd
Köln rank
25th

Patent applications to the EPO by priority year by NUTS 3 region over time

  • Bulgaria
  • Köln
05001.0k1.5k197719942012

How they compare

Köln currently reports 898.01 against 30.57 in Bulgaria, a difference of 867.44.

That makes Köln's figure about 29.4 times Bulgaria's.

Across all 33 years both countries report, Köln has been ahead every year.

Bulgaria ranks 23rd and Köln ranks 25th of 31 countries.

Köln has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade Bulgaria Köln Difference Ahead
1980s 14.08 794.58 780.5 Köln
1990s 6.43 943.85 937.42 Köln
2000s 17.41 1,351 1,334 Köln
2010s 24.64 1,096 1,072 Köln

Averages of every year both report within each decade.

Frequently asked questions

Which has higher patent applications to the epo by priority year by nuts 3 region, Bulgaria or Köln?
Köln, at 898.01 against 30.57 in Bulgaria as of 2012.
What is the difference in patent applications to the epo by priority year by nuts 3 region between Bulgaria and Köln?
867.44, with Köln ahead.
How many years of comparable data are there for Bulgaria and Köln?
33 years are reported by both, from 1980 to 2012.
How do Bulgaria and Köln rank globally for patent applications to the epo by priority year by nuts 3 region?
Bulgaria ranks 23rd and Köln ranks 25th of 31 countries.
Where does this data come from?
Eurostat, published as Patent applications to the EPO by priority year by NUTS 3 region (1977-2012). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Köln: Patent applications to the EPO by priority year by NUTS 3 region. Statizoid, drawing on Eurostat. Retrieved 27 August 2026, from https://science-tech.statizoid.com/compare/patent-applications-to-the-epo-by-priority-year-by-nuts-3-region-1977-2012/bulgaria/koln/

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About this data

Indicator
Patent applications to the EPO by priority year by NUTS 3 region (1977-2012)
Source
Eurostat
Licence
CC BY 4.0 (Eurostat)
Coverage
1,666 places, 49,665 data points, 1977–2012
Last refreshed