| Derwent World Patents Index | |||||||
| Coverage for Update 200821 | |||||||
| Country | Kind | Latest Publication Date | Number of patents in update | ||||
| AT | Austria | A1 | 15 February 2008 | 13 | |||
| A2 | 15 February 2008 | 2 | |||||
| A4 | 15 February 2008 | 13 | |||||
| B1 | 15 February 2008 | 14 | |||||
| AU | Australia | A1 | 20 December 2007 | 15 | |||
| A4 | 13 December 2007 | 8 | |||||
| B1 | 06 December 2007 | 1 | |||||
| B2 | 13 December 2007 | 1 | |||||
| BE | Belgium | A3 | 08 January 2008 | 1 | |||
| A7 | 04 December 2007 | 1 | |||||
| BR | Brazil | A | 26 February 2008 | 158 | |||
| CA | Canada | A1 | 15 February 2008 | 241 | |||
| C | 19 February 2008 | 1 | |||||
| CH | Switzerland | A5 | 15 January 2008 | 1 | |||
| CN | China | A | 21 November 2007 | 6849 | |||
| Y | 13 February 2008 | 3200 | |||||
| CZ | Czech Republic | A3 | 05 March 2008 | 5 | |||
| DE | Germany | A1 | 13 March 2008 | 573 | |||
| B3 | 13 March 2008 | 63 | |||||
| B4 | 13 March 2008 | 37 | |||||
| B9 | 06 March 2008 | 2 | |||||
| C5 | 14 February 2008 | 7 | |||||
| E | 13 March 2008 | 976 | |||||
| G | 13 March 2008 | 46 | |||||
| T2 | 13 March 2008 | 560 | |||||
| T5 | 06 March 2008 | 4 | |||||
| T8 | 13 March 2008 | 14 | |||||
| T9 | 13 March 2008 | 2 | |||||
| U1 | 20 March 2008 | 277 | |||||
| U8 | 14 February 2008 | 4 | |||||
| EP | European | A1 | 19 March 2008 | 535 | |||
| A2 | 19 March 2008 | 278 | |||||
| A3 | 12 March 2008 | 36 | |||||
| A8 | 19 December 2007 | 1 | |||||
| B1 | 12 March 2008 | 1093 | |||||
| B2 | 12 March 2008 | 11 | |||||
| B9 | 12 March 2008 | 4 | |||||
| ES | Spain | A1 | 01 March 2008 | 60 | |||
| B1 | 01 March 2008 | 124 | |||||
| B2 | 01 March 2008 | 10 | |||||
| T1 | 01 March 2008 | 4 | |||||
| T3 | 01 March 2008 | 1085 | |||||
| FI | Finland | A | 23 December 2007 | 6 | |||
| B1 | 15 February 2008 | 6 | |||||
| FR | France | A1 | 14 March 2008 | 206 | |||
| A3 | 14 March 2008 | 14 | |||||
| GB | Great Britain | A | 19 March 2008 | 152 | |||
| B | 05 March 2008 | 13 | |||||
| HU | Hungary | A1 | 28 February 2008 | 10 | |||
| A2 | 28 December 2007 | 1 | |||||
| IL | Israel | A | 10 February 2008 | 1 | |||
| IN | India | I1 | 25 January 2008 | 26 | |||
| I2 | 26 October 2007 | 1 | |||||
| I3 | 25 January 2008 | 14 | |||||
| I4 | 25 January 2008 | 17 | |||||
| P2 | 10 August 2007 | 1 | |||||
| P4 | 16 November 2007 | 1 | |||||
| IT | Italy | B | 23 January 2008 | 32 | |||
| JP | Japan | A | 13 March 2008 | 4596 | |||
| B1 | 12 March 2008 | 66 | |||||
| B2 | 12 March 2008 | 3867 | |||||
| W | 13 March 2008 | 20 | |||||
| X | 14 February 2008 | 2 | |||||
| KR | Korea, Republic of | A | 25 October 2007 | 3845 | |||
| B | 21 September 2005 | 1 | |||||
| B1 | 28 March 2007 | 323 | |||||
| LU | Luxembourg | A | 17 December 2007 | 1 | |||
| NL | Netherlands | C2 | 23 October 2007 | 17 | |||
| C6 | 13 November 2007 | 12 | |||||
| NO | Norway | A | 22 February 2008 | 104 | |||
| B1 | 10 March 2008 | 16 | |||||
| NZ | New Zealand | A | 31 January 2008 | 2 | |||
| PT | Portugal | A1 | 31 January 2008 | 8 | |||
| RD | Research Disclosure | A | 10 September 2007 | 4 | |||
| RO | Romania | B1 | 28 December 2007 | 15 | |||
| RU | Russian Federation | C1 | 20 March 2008 | 618 | |||
| C2 | 20 March 2008 | 445 | |||||
| C9 | 10 March 2008 | 4 | |||||
| SE | Sweden | A | 19 February 2008 | 3 | |||
| C2 | 04 March 2008 | 2 | |||||
| SG | Singapore | A1 | 28 January 2008 | 3 | |||
| SK | Slovakia | A3 | 07 June 2007 | 1 | |||
| SU | Soviet Union | A1 | 20 August 2007 | 1 | |||
| TW | Taiwan | A | 16 October 2004 | 1 | |||
| B1 | 11 April 2007 | 725 | |||||
| US | United States Of America | A1 | 20 March 2008 | 4058 | |||
| A2 | 21 February 2008 | 1 | |||||
| B1 | 18 March 2008 | 347 | |||||
| B2 | 18 March 2008 | 348 | |||||
| E | 26 February 2008 | 2 | |||||
| WO | Patent Co-operation Treaty | A1 | 13 March 2008 | 1419 | |||
| A2 | 13 March 2008 | 750 | |||||
| A3 | 13 March 2008 | 143 | |||||
| A8 | 13 March 2008 | 7 | |||||
| A9 | 13 March 2008 | 11 | |||||
| B1 | 13 March 2008 | 2 | |||||
| ZA | South Africa | A | 27 February 2008 | 230 | |||