A quick enquiry on patstat data: we know it has a very wide geographic scope, but also timeline is quite long: 21 patetn offices have at least one patent date minor or equal to 1900.
Some case may be isolated, thus I added also the date of the first year where number of applications was greater than 10, so we see FI that soem countries (AT, BE, CA, CH, DE, ES, FR, GB, HU, NZ, SE and US) have a number of old patents in Patstat.
TW 1900 is obviously a data entry error (see original at this link) andd unexpected, SPAIN is the first application authority to overcome 10 patents, in 1826!
|
appln auth
|
first patent year
|
First year with
10 or more patents
|
|
AT
|
1885
|
1893
|
|
AU
|
1891
|
1907
|
|
BE
|
1848
|
1896
|
|
BR
|
1900
|
1926
|
|
CA
|
1875
|
1889
|
|
CH
|
1888
|
1888
|
|
DE
|
1866
|
1877
|
|
DK
|
1894
|
1902
|
|
ES
|
1826
|
1826
|
|
FR
|
1844
|
1861
|
|
GB
|
1782
|
1856
|
|
HU
|
1898
|
1899
|
|
IT
|
1886
|
1901
|
|
NL
|
1862
|
1912
|
|
NO
|
1893
|
1903
|
|
NZ
|
1894
|
1896
|
|
RO
|
1900
|
1924
|
|
SE
|
1854
|
1896
|
|
TN
|
1900
|
1945
|
|
TW
|
1900
|
1985
|
|
US
|
1790
|
1858
|
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