Derwent World Patents IndexÒ and Derwent World Patents Index First ViewSM
Combined Coverage at Update 2009671
Country Kind Latest Publication Date
Australia AU A 01 October 2009
B 01 October 2009
Austria AT A 15 September 2009
B 15 August 2009
Belgium BE A 01 September 2009
B 02 August 2005
T 15 June 1993
Brazil BR A 13 October 2009
Canada CA A 26 September 2009
B 06 January 2009
C 13 October 2009
E 21 June 2005
China CN A 30 September 2009
C 09 September 2009
Y 30 September 2009
Czechoslovakia CS A 19 December 2007
B 19 December 2007
Czech Republic CZ A 14 October 2009
B 14 October 2009
Denmark DK A 08 September 2009
B 17 August 2009
European EP A 14 October 2009
B 14 October 2009
Finland FI A 15 August 2009
B 30 September 2009
France FR A 16 October 2009
Germany DE A 15 October 2009
B 15 October 2009
C 15 October 2009
E 15 October 2009
G 15 October 2009
T 15 October 2009
U 15 October 2009
Germany, Democratic Rep. DD A 22 April 1999
B 30 October 2003
C 24 January 2002
Great Britain GB A 14 October 2009
B 14 October 2009
Hungary HU A 28 September 2009
B 28 August 2009
H 28 March 2003
T 28 October 2004
India IN B 15 August 2008
I 21 August 2009
P 31 July 2009
Ireland IE B 30 September 2009
Israel IL A 22 September 2009
Italy IT A 04 July 2007
B 12 May 2009
Japan JP A 15 October 2009
B 14 October 2009
U 15 October 2009
W 24 September 2009
X 15 October 2009
Y 17 November 1998
Z 22 August 1995
Korea, Republic of KR A 24 September 2009
B 24 September 2009
U 24 September 2009
Y 24 September 2009
Luxembourg LU A 05 August 2009
Mexico MX A 31 March 2009
B 25 June 2009
Netherlands NL A 30 November 2004
B 01 August 2003
C 21 July 2009
New Zealand NZ A 31 July 2009
Norway NO A 12 October 2009
B 12 October 2009
Patent Co-operation Treaty WO A 15 October 2009
B 08 January 2009
Philippines PH A 03 November 1999
B 30 June 2009
Portugal PT A 28 September 2009
Research Disclosure RD A 10 November 2008
Romania RO A 28 June 1996
B 30 December 2008
Russian Federation RU C 10 October 2009
Singapore SG A 30 September 2009
Slovakia SK A 07 September 2009
B 07 September 2009
South Africa ZA A 26 August 2009
Soviet Union SU A 27 July 2009
B 02 July 1983
C 10 October 1995
Spain ES A 09 October 2009
B 06 October 2009
T 28 August 2009
Sweden SE A 13 October 2009
C 13 October 2009
Switzerland CH A 25 June 2008
B 15 November 2000
Taiwan TW A 01 January 2009
B 11 January 2009
U 11 January 2009
United States Of America US A 15 October 2009
B 13 October 2009
C 01 September 2009
E 01 September 2009
H 01 September 2009
1 DWPI First View only contains details of patents not yet added to DWPI.                                                      
Many Equivalent patents will never appear in DWPI First View as these are added directly to DWPI.