LEGEND: X = Serial Number, Y = Year, Z = Custom Prefix/Code*
| Country/Region | Country Code | Format | Example |
|---|---|---|---|
| PCT | IB, EP, CN, US, JP, KR, IL |
IBYYYYXXXXXXW EPYYYYXXXXXXW CNYYYYXXXXXXW JPYYYYXXXXXXW USYYYYXXXXXXW KRYYYYXXXXXXW ILYYYYXXXXXXW |
IB2019059087W EP2016074808W CN2018120887W JP2019021358W US2018016002W KR2017011354W IL2015000012W |
| Europe | EP |
EPYYXXXXXX
EPYYXXXXXXX EPYYYYXXXXXXX |
EP12171536
EP120171536 EP20120171536 |
| ARIPO | AP | APYYYYXXXXXXX | AP20110005954 |
| Argentina | AR | ARYYYYPXXXXXX | AR2015P102737 |
| Austria | AT |
ATXXXXXXYYYY
ATYYYYXXXXXXX |
AT503532016
AT20160050353 |
| Australia | AU |
AUYYYYXXXXXX
AUYYYYXXXXXXX |
AU2016201298
AU20160201298 |
| Belgium | BE |
BEYYYYXXXXX
BEYYYYXXXXXXX |
BE200100588
BE20010000588 |
| Bulgaria | BG |
BGXXXXXXYY
BGYYYYXXXXXXX |
BG11216115
BG20150112161 |
| Brazil | BR |
BRZZYYYYXXXXXX
BRYYYYZZXXXXX |
BR112014012669
BR20141112669 |
| Canada | CA |
CAXXXXXXX
CAYYYYXXXXXXX |
CA2526782
CA20052526782 |
| Switzerland | CH |
CHXXXYYYY
CHYYYYXXXXXXX |
CH7652016
CH20160000765 |
| Chile | CL |
CLYYYYXXXXXX
CLYYYYXXXXXXX |
CL2017001446
CL20170001446 |
| China | CN |
CNYYYYXXXXXXX
CNYYYYXXXXXXXX CNYYYYXXXXXXXU |
CN20161910700
CN201610910700 CN20102184946U |
| Colombia | CO |
COYYXXXXXX
COYYYYXXXXXXX |
CO15295687
CO20150295687 |
| Costa Rica | CR |
CRYYYYXXXX
CRYYYYXXXXXXX |
CR20170307
CR20170000307 |
| Cyprus | CY |
CYYYXXXXXXX
CYYYYYXXXXXXXT |
CY171100328
CY20171100328T |
| Czech Republic | CZ |
CZYYYYXXXXX
CZYYYYXXXXXXXU |
CZ201733977
CZ20170033977U |
| Germany | DE |
DEZZYYYYXXXXXX
DEYYYYZZXXXXX |
DE102009053581
DE20091053581 |
| Denmark | DK |
DKYYXXXXXX
DKYYYYXXXXXXXT |
DK09737431
DK20090737431T |
| Dominican Republic | DO |
DOYYYYXXXXXX
DOYYYYXXXXXXX |
DO2017000190
DO20170000190 |
| Eurasian Patent Organization | EA | EAYYYYXXXXXXX | EA20130000260 |
| Ecuador | EC | ECYYYYZZXXXX | EC2010SP0997 |
| Estonia | EE | EEPYYYYXXXXX | EEP201600009 |
| Egypt | EG |
EGYYYYXXXXXX
EGYYYYXXXXXXX |
EG2011111979
EG20111101979 |
| Spain | ES |
ESYYYYXXXXX
ESYYYYXXXXXXX ESYYYYXXXXXXXT |
ES201001521
ES20100001521 ES20150001593T |
| Finland | FI |
FIYYYYXXXX
FIYYYYXXXXXXX |
FI20070994
FI20070000994 |
| France | FR |
FRYYXXXXX
FRYYYYXXXXXXX |
FR1750219
FR20170050219 |
| Great Britain | GB |
GBYYYYXXXXX
GBYYYYXXXXXXX |
GB201518256
GB20150018256 |
| Guatemala | GT |
GTYYYYXXXXX
GTYYYYXXXXXXX |
GT201500035
GT20150000035 |
| Greece | GR | GRYYYYXXXXXXX | GR20160100116 |
| Hong Kong | HK |
HKYYXXXXXX
HKYYYYXXXXXXX |
HK16112606
HK20160112606 |
| Croatia | HR | HRYYYYPXXXXXXT | HR2017P001596T |
| Hungary | HU | HUYYYYXXXXXXX | HU20050000320 |
| Indonesia | ID |
IDYYYYXXXX
IDYYYYXXXXXXX |
ID20012349
ID20010002349 |
| Ireland | IE |
IEXXXXX
IEYYYYXXXXXXX IEYYYYSXXXXXX |
IE85885
IE19850000858 IE2016S000004 |
| Israel | IL |
ILXXXXXXYY
ILYYYYXXXXXXX |
IL22213812
IL20120222138 |
| India | IN |
IN (four-digit year + issuing office code + serial number)**
|
IN2015CHE9621
|
| Iceland | IS |
ISXXXXXX
ISYYYYXXXXXXX |
IS050172
IS20170050172 |
| Japan | JP |
JPYYYYXXXXX
JPYYYYXXXXXX JPYYYYXXXXXXX |
JP200613252
JP2006013252 JP20060013252 |
| Korea | KR | KRYYYYXXXXXXX | KR20110125758 |
| Kazakhstan | KZ |
KZYYYYXXXX
KZYYYYXXXXXXX |
KZ20121178
KZ20120001178 |
| Luxembourg | LU |
LUXXXXX
LUYYYYXXXXXXX |
LU92784
LU20150092784 |
| Morocco | MA | MAYYYYXXXXXXX | MA20080031522 |
| Malaysia | MY | MYYYYYZZXXXXX | MY2012PI05253 |
| Mexico | MX |
MXYYYYXXXXXX
MXYYYYXXXXXXX |
MX2015016228
MX20150016228 |
| Netherlands | NL |
NLYYXXXXX
NLYYYYXXXXXXX |
NL1038411
NL20101038411 |
| Norway | NO |
NOYYYYXXXX
NOYYYYXXXXXXX |
NO20170951
NO20170000951 |
| New Zealand | NZ |
NZXXXXXXYY
NZYYYYXXXXXXX |
NZ71650211
NZ20110716502 |
| Peru | PE |
PEXXXXXXYYYY
PEYYYYXXXXXXX |
PE0012752017
PE20170001275 |
| Philippines | PH |
PHZYYYYXXXXXX
PHYYYYZXXXXXX |
PH12017500465
PH20171500465 |
| Poland | PL | PLYYYYXXXXXXX | PL20030375255 |
| Portugal | PT |
PTYYXXXXXX
PTYYYYXXXXXXX |
PT06753980
PT20060753980T |
| Romania | RO |
ROYYYYXXXXX
ROYYYYXXXXXXX |
RO201400471
RO20140000471 |
| Russia | RU |
RUYYYYXXXXXX
RUYYYYXXXXXXX |
RU2013140951
RU20130140951 |
| Saudi Arabia | SA | SA1YYXXXXXX (2009 and later) or YYXXXXXX (prior 2009) | SA109300237 or SA04240494 |
| Sweden | SE |
SEYYXXXXX
SEYYYYXXXXXXX |
SE1650560
SE20160050560 |
| Singapore | SG |
SGYYYYXXXXXX
SGYYYYXXXXXXX |
SG2008021008
SG20080021008 |
| Slovenia | SI |
SIYYYYXXXXX
SIYYYYXXXXXXXT |
SI201031542
SI20100031542T |
| Slovakia | SK |
SKXXXXXYYYY
SKYYYYXXXXXXX SKYYYYXXXXXXXU |
SK500152015
SK20150050015 SK20170050038U |
| Turkey | TR |
TRYYYYXXXXX
TRYYYYXXXXXXX |
TR201604127
TR20160004127 |
| Taiwan | TW |
TWZZZXXXXXX
TWYYYYXXXXXXX |
TW100119029
TW20110119029 |
| Ukraine | UA |
UAYYYYXXXXX
UAYYYYXXXXXXX UAYYYYYYYYXXXXXU |
UA201305229
UA20130005229 UA2017201704753U |
| Uruguay | UY | UYYYYYXXXXXXX | UY20070030385 |
| Vietnam | VN | VNYYYYXXXXX | VN201402255 |
| Yugoslavia | YU | YUYYYYXXXXXXX | YU20010000132 |
| South Africa | ZA |
ZAYYYYXXXXX
ZAYYYYXXXXXXX |
ZA200900923
ZA20090000923 |
*For PCTs, use the two-letter country code.
*For Brazilian property rights, use "11" for national applications.
*For German property rights, use "10" for national applications and "20" for utility patents.
*For Malaysian property rights, use "PI" for national applications and "UI" for utility patents.
*For Philippine property rights, use "1" for national applications and "2" for utility patents.
*For Chinese-Taipei property rights, use the Republican year in 3-digit format by subtracting 1911 to the current year (e.g. 2011 - 1911 = 100).
**For Indian property rights, the office codes are KOL (Kolkata), MUM (Mumbai), CHE (Chennai) or DEL (Delhi).
*For Brazilian property rights, use "11" for national applications.
*For German property rights, use "10" for national applications and "20" for utility patents.
*For Malaysian property rights, use "PI" for national applications and "UI" for utility patents.
*For Philippine property rights, use "1" for national applications and "2" for utility patents.
*For Chinese-Taipei property rights, use the Republican year in 3-digit format by subtracting 1911 to the current year (e.g. 2011 - 1911 = 100).
**For Indian property rights, the office codes are KOL (Kolkata), MUM (Mumbai), CHE (Chennai) or DEL (Delhi).