Derwent World Patents IndexÒ and Derwent World Patents Index First ViewSM
Combined Coverage at Update 2008631
Country Kind Latest Publication Date
Australia AU A 26 June 2008
B 26 June 2008
Austria AT A 15 September 2008
B 15 September 2008
Belgium BE A 02 September 2008
B 02 August 2005
T 15 June 1993
Brazil BR A 23 September 2008
Canada CA A 06 September 2008
B 04 September 1990
C 23 September 2008
E 21 June 2005
China CN A 10 September 2008
C 16 July 2008
Y 10 September 2008
Czechoslovakia CS A 19 December 2007
B 19 December 2007
Czech Republic CZ A 24 September 2008
B 24 September 2008
Denmark DK A 01 September 2008
B 18 August 2008
European EP A 24 September 2008
B 17 September 2008
Finland FI A 31 July 2008
B 15 September 2008
France FR A 12 September 2008
Germany DE A 25 September 2008
B 18 September 2008
C 25 September 2008
E 25 September 2008
G 25 September 2008
T 25 September 2008
U 25 September 2008
Germany, Democratic Rep. DD A 22 April 1999
B 30 October 2003
C 24 January 2002
Great Britain GB A 24 September 2008
B 24 September 2008
Hungary HU A 29 September 2008
B 29 September 2008
H 28 March 2003
T 28 October 2004
India IN B 25 February 2005
I 29 August 2008
P 29 August 2008
Ireland IE B 17 September 2008
Israel IL A 07 August 2008
Italy IT A 04 July 2007
B 09 April 2008
Japan JP A 25 September 2008
B 17 September 2008
U 18 September 2008
W 18 September 2008
X 25 September 2008
Y 17 November 1998
Z 22 August 1995
Korea, Republic of KR A 31 March 2008
B 31 March 2008
U 31 March 2008
Y 31 March 2008
Luxembourg LU A 27 August 2008
Mexico MX A 01 September 2008
B 31 August 2008
Netherlands NL A 30 November 2004
B 01 August 2003
C 18 July 2008
New Zealand NZ A 30 May 2008
Norway NO A 22 September 2008
B 22 September 2008
Patent Co-operation Treaty WO A 18 September 2008
B 18 September 2008
Philippines PH A 03 November 1999
B 22 August 2008
Portugal PT A 29 August 2008
Research Disclosure RD A 10 August 2008
Romania RO A 28 June 1996
B 28 December 2007
Russian Federation RU C 27 September 2008
Singapore SG A 28 August 2008
Slovakia SK A 05 September 2008
B 05 September 2008
South Africa ZA A 30 July 2008
Soviet Union SU A 20 September 2008
B 02 July 1983
C 10 October 1995
Spain ES A 16 September 2008
B 16 September 2008
T 16 September 2008
Sweden SE A 09 September 2008
C 23 September 2008
Switzerland CH A 25 June 2008
B 15 November 2000
Taiwan TW A 01 October 2006
B 21 April 2008
United States Of America US A 18 September 2008
B 23 September 2008
C 23 September 2008
E 23 September 2008
H 02 September 2008
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.