Derwent World Patents IndexÒ and Derwent World Patents Index First ViewSM
Combined Coverage at Update 2007351
Country Kind Latest Publication Date
Australia AU A 22 February 2007
B 22 February 2007
Austria AT A 15 May 2007
B 15 May 2007
Belgium BE A 03 April 2007
B 02 August 2005
T 15 June 1993
Brazil BR A 22 May 2007
Canada CA A 05 May 2007
B 04 September 1990
C 22 May 2007
E 21 June 2005
China CN A 31 January 2007
C 27 December 2006
Czechoslovakia CS A 16 February 1994
B 16 February 1994
Czech Republic CZ A 23 May 2007
B 23 May 2007
Denmark DK A 03 May 2007
B 21 May 2007
European EP A 30 May 2007
B 30 May 2007
Finland FI A 29 March 2007
B 15 May 2007
France FR A 11 May 2007
Germany DE A 31 May 2007
B 31 May 2007
C 31 May 2007
E 31 May 2007
G 31 May 2007
T 31 May 2007
U 31 May 2007
Germany, Democratic Rep. DD A 22 April 1999
B 30 October 2003
C 24 January 2002
Great Britain GB A 23 May 2007
B 23 May 2007
Hungary HU A 29 May 2007
B 29 May 2007
H 28 March 2003
T 28 October 2004
India IN B 25 February 2005
I 20 April 2007
P 13 April 2007
Ireland IE B 16 May 2007
Israel IL A 15 May 2007
Italy IT A 20 May 1987
B 17 May 2007
Japan JP A 31 May 2007
B 23 May 2007
W 24 May 2007
X 24 May 2007
Y 17 November 1998
Z 22 August 1995
Korea, Republic of KR A 30 November 2006
B 29 September 2006
Luxembourg LU A 30 April 2007
Mexico MX A 01 October 2006
B 20 November 2006
Netherlands NL A 30 November 2004
B 01 August 2003
C 21 March 2007
New Zealand NZ A 27 April 2007
Norway NO A 07 May 2007
B 21 May 2007
Patent Co-operation Treaty WO A 24 May 2007
Philippines PH A 03 November 1999
B 02 December 2006
Portugal PT A 30 April 2007
Research Disclosure RD A 10 April 2007
Romania RO A 28 June 1996
B 30 April 2007
Russian Federation RU C 27 May 2007
Singapore SG A 26 April 2007
Slovakia SK A 05 April 2007
B 01 March 2007
South Africa ZA A 25 April 2007
Soviet Union SU A 27 May 2007
B 02 July 1983
C 10 October 1995
Spain ES A 16 May 2007
B 16 May 2007
T 16 May 2007
Sweden SE A 22 May 2007
C 22 May 2007
Switzerland CH A 15 May 2007
B 15 November 2000
Taiwan TW A 01 October 2005
B 01 October 2006
United States Of America US A 24 May 2007
B 29 May 2007
C 22 May 2007
E 29 May 2007
H 01 May 2007
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.