Sub Navigation
Promotion
Free patent databases
esp@cenet
Search 60 million patent documents online
Search 60 million patent documents online
Register Plus
Procedural information on all European patent applications
Procedural information on all European patent applications
ESPACE EP
Full-text of the most recent four weeks of EP-A and EP-B publications
Full-text of the most recent four weeks of EP-A and EP-B publications
Learning area
Find seminars and other educational events offered by the EPO or consult e-learning modules online
URL: Location: Home→Patents→Patent information→East Asian patent information→Virtual helpdesk→Korea→Numbering system
Numbering system - Korea
DOCUMENT TYPES AND KIND CODES
GONGGAE (A, U) - enlarge
- unexamined patent publication (A)
- unexamined utility model publication (B)
GONGGO (B, Y) - enlarge
- examined patent publication (old law) (B)
- examined utility model publication (old law) (Y)
DEONGNOK (B, Y) - enlarge
- granted patent publication (B)
- registered utility model publication (Y)
NUMBER FORMATS
Application & A-publication numbers:
yyyy-nnnnnn(n)
(for applications before 1999, A-publications)
- four digits for the year (y)
- six or seven digits for the serial number (n)
tt-yyyy-nnnnnnn
(for application numbers from 1999 onwards)
- two digits for the type of right (t)
- four digits for the year (y)
- seven digits for the serial number (n)
B-publication numbers:
yyyy-nnnnnnn
(before 1997, pre-grant opposition)
- four digits for the year (y)
- seven digits for the serial number (n)
nnnnnnn
(1997 onwards, post-grant opposition)
- seven digits for the serial number (n), no year
tt-nnnnnnn
(1999 onwards, electronic filing)
- two digits for the type of right (t)
- seven digits for the serial number (n), no year
Summary of currently used formats
application number: tt-yyyy-nnnnnnn
publication number: tt-yyyy-nnnnnnn
grant number: tt-nnnnnnn
Types of right (t)
10 patent
20 utility model
30 design
40 trade mark