When examinating citations, it may be important to classify them using the moment of examination process where they have been introduced.
TLS212 in patstat has a field allowing to classify the origin of citations, under these cathegories:
TLS212 in patstat has a field allowing to classify the origin of citations, under these cathegories:
0 - SEA- citations
introduced during search
1 - APP- citations
introduced by the applicant
2 - EXA- citations
introduced during examination
3 - OPP - citations
introduced during opposition
4 - 115- citations
introduced according to Art 115 EPC
5 - ISR -citations from the International Search
Report
6 - SUP - citations
from the Supplementary Search Report
7 - CH2 - citations introduced during the
Chapter 2 phase of the PCT
Obviusly all these origins are available only for EPO, we may make some counts by citing application authority
auth
|
origin
|
#citations received
|
'BE'
|
'0
'
|
66913
|
'BE'
|
'1
'
|
1963
|
'BE'
|
'7
'
|
1
|
'CA'
|
'0
'
|
134061
|
'CA'
|
'1
'
|
8491
|
'CA'
|
'5
'
|
9004
|
'DE'
|
'0 '
|
5008515
|
'DE'
|
'1
'
|
267515
|
'DE'
|
'7
'
|
5
|
'EP'
|
'0
'
|
8636742
|
'EP'
|
'1
'
|
908599
|
'EP'
|
'2
'
|
342826
|
'EP'
|
'3
'
|
31157
|
'EP'
|
'4
'
|
27313
|
'EP'
|
'6
'
|
6
|
'EP'
|
'7
'
|
104
|
'FR'
|
'0
'
|
2627633
|
'FR'
|
'1
'
|
55917
|
'FR'
|
'5
'
|
4
|
'FR'
|
'7
'
|
9
|
'GB'
|
'0
'
|
1724570
|
'GB'
|
'1
'
|
15577
|
'GB'
|
'6
'
|
12
|
'GB'
|
'7
'
|
12
|
'IT'
|
'0
'
|
49268
|
'IT'
|
'1
'
|
1610
|
'IT'
|
'7
'
|
2
|
'US'
|
'0
'
|
45542915
|
'US'
|
'1
'
|
24998499
|
'US'
|
'5
'
|
106340
|
'US'
|
'6
'
|
35
|
'US'
|
'7
'
|
4622
|
WO
|
'0 '
|
8286173
|
WO
|
'1 '
|
455017
|
WO
|
'5 '
|
316806
|
WO
|
'6 '
|
63
|
WO
|
'7 '
|
4923
|
NOTE:
different origins (mostly 0 and 1) may
coexist inside the same patent citation
These are the number of multipleorigins by citing publication
authority:
'BE'
|
210
|
'CH'
|
55
|
'DE'
|
30031
|
'DK'
|
14
|
'EP'
|
177345
|
'FR'
|
8793
|
'GR'
|
18
|
'LU'
|
31
|
'NL'
|
1161
|
'US'
|
146684
|
'WO'
|
70372
|
Take for instance this case: EP 1039145
PAT_PUBLN_ID
|
CITN_ID
|
CITED_PAT
PUBLN_ID
|
PAT_CITN
SEQ_NR
|
CITN_ORIGIN
|
18543416
|
1
|
13060594
|
1
|
'0
'
|
18543416
|
2
|
13555391
|
2
|
'0
'
|
18543416
|
3
|
22057918
|
3
|
'0
'
|
18543416
|
4
|
12483574
|
4
|
'0
'
|
18543416
|
5
|
49192181
|
0
|
'0
'
|
18543416
|
6
|
45186010
|
0
|
'0
'
|
18543416
|
7
|
13060594
|
7
|
'1
'
|
18543416
|
8
|
13555391
|
8
|
'1
'
|
18543416
|
9
|
22057918
|
9
|
'1
'
|
3 citations exist both
as given from examiner and given from applicant (the yellow lines)