Derwent World Patents Index
Coverage for Update 201028
Country Kind Latest Publication Date Number of patents in update
AT Austria A 15-Nov-83 15
A2 15-Dec-05 1
A3 15-Jan-06 1
B1 15-Jun-06 1
AU Australia A 31-Jul-03 555
A1 01-Apr-10 1037
A2 05-Nov-09 10
A4 01-Apr-10 27
A8 18-Mar-10 87
B 15-Jan-04 198
B1 18-Mar-10 2
B2 01-Apr-10 296
B4 01-Apr-10 34
B8 21-May-09 8
B9 10-Dec-09 8
BE Belgium A 18-Jul-83 19
A2 02-Mar-10 1
A3 02-Mar-10 7
A4 02-Mar-10 1
A5 02-Mar-10 1
A6 02-Mar-10 5
BR Brazil A 14-Apr-09 387
A2 13-Apr-10 435
B1 06-Apr-10 60
E2 16-Mar-10 1
U2 30-Mar-10 42
Y1 06-Apr-10 2
CA Canada A 31-Jan-99 65
A1 03-Apr-10 1489
C 20-Apr-10 780
CH Switzerland A1 31-Mar-10 1
A2 15-Mar-10 3
A5 15-Nov-07 60
B1 30-Nov-09 2
CN China A 07-Apr-10 6841
C 24-Feb-10 453
Y 31-Mar-10 5508
CS Czechoslovakia A 31-Aug-84 251
CZ Czech Republic A3 21-Apr-10 58
B6 21-Apr-10 27
DD Germany (East) A 09-Oct-85 1
DE Germany A 19-Sep-85 18
A1 22-Apr-10 1419
A5 22-Apr-10 7
A8 22-Apr-10 5
B3 22-Apr-10 82
B4 22-Apr-10 361
B8 22-Apr-10 3
B9 22-Apr-10 3
C2 24-Dec-03 8
C5 22-Apr-10 4
E 22-Apr-10 2103
G 22-Apr-10 629
T 20-Feb-03 1
T2 24-Sep-09 182
T5 22-Apr-10 81
T8 22-Apr-10 4
U1 22-Apr-10 345
U9 22-Apr-10 1
DK Denmark A 19-Mar-10 18
B 12-Apr-10 8
EP European A 22-Apr-92 115
A1 14-Apr-10 1465
A2 14-Apr-10 859
A3 14-Apr-10 516
A4 29-Oct-97 29
A8 14-Apr-10 11
A9 14-Apr-10 4
B1 14-Apr-10 1066
B2 07-Apr-10 7
B8 07-Apr-10 14
B9 18-Jun-08 4
ES Spain A 01-Oct-83 7
A1 30-Mar-10 24
B1 22-Mar-10 3
T3 28-Dec-09 215
U 31-Mar-10 52
FI Finland A 28-Feb-10 26
B 15-May-97 2
B1 15-Apr-10 38
FR France A 09-Jun-89 38
A1 23-Apr-10 268
A3 23-Apr-10 10
E 18-Sep-66 3
GB Great Britain A 21-Apr-10 514
B 21-Apr-10 377
HU Hungary A1 29-Mar-10 9
A2 28-Feb-01 8
B 28-Apr-01 6
B1 29-Aug-05 5
T 29-Apr-96 86
IE Ireland B 08-Oct-97 3
B3 14-Apr-10 2
IL Israel A 15-Apr-10 288
IN India B 06-Nov-09 57
I1 26-Mar-10 54
I2 12-Mar-10 11
I3 26-Mar-10 15
I4 19-Mar-10 129
P1 26-Mar-10 253
P2 12-Mar-10 74
P3 26-Mar-10 59
P4 19-Mar-10 640
IT Italy B 29-Mar-10 140
JP Japan A 22-Apr-10 24930
B 03-Feb-92 1
B1 21-Apr-10 19
B2 21-Apr-10 5518
U 22-Apr-10 118
W 22-Apr-10 1136
X 22-Apr-10 145
KR Republic of Korea A 15-Apr-10 2725
B 21-Dec-05 310
B1 15-Apr-10 2136
U 13-Apr-10 76
Y1 15-Apr-10 91
LU Luxembourg A 18-Mar-10 2
MX Mexico A1 31-Jan-10 1035
B 28-Jan-10 381
NL Netherlands A 03-Apr-95 27
B 02-Jul-01 7
C2 26-Jan-10 9
C6 08-Jul-05 1
NO Norway A 31-Mar-10 436
B 31-Oct-05 11
B1 19-Apr-10 150
NZ New Zealand A 26-Mar-10 140
PH Philippines B1 05-Dec-09 35
PT Portugal A 31-May-94 10
A1 02-Mar-10 3
RO Romania A 30-Sep-83 59
B 30-May-02 3
B1 30-Apr-96 1
RU Russian Federation C1 27-Mar-10 114
C2 27-Mar-10 150
C9 10-Dec-08 1
SE Sweden A 11-Apr-10 25
C2 20-Apr-10 16
SG Singapore A 01-Sep-95 2
A1 30-Mar-10 67
SK Slovakia A3 10-Sep-99 16
B6 01-Dec-03 9
SU Soviet Union A 15-Jan-83 2
TW Taiwan A 16-Oct-09 337
B1 01-Jul-09 33
U 01-May-09 364
US United States Of America A 26-Dec-00 1319
A1 22-Apr-10 7993
A2 22-Apr-10 6
A9 22-Apr-10 2
B1 20-Apr-10 1740
B2 20-Apr-10 2185
C1 20-Apr-10 20
E 20-Apr-10 41
H 04-Sep-07 3
WO Patent Co-operation Treaty A 16-Apr-92 58
A1 22-Apr-10 3221
A2 22-Apr-10 1321
A3 22-Apr-10 1288
A4 22-Apr-10 41
A8 22-Apr-10 89
A9 22-Apr-10 51
B1 22-May-08 1
ZA South Africa A 24-Feb-10 44