| Derwent World Patents Index | |||||||
| Coverage for Update 201021 | |||||||
| Country | Kind | Latest Publication Date | Number of patents in update | ||||
| AT | Austria | A4 | 15 June 09 | 1 | |||
| AU | Australia | A1 | 18 February 10 | 12 | |||
| A4 | 25 February 10 | 7 | |||||
| A8 | 03 November 05 | 1 | |||||
| B4 | 18 February 10 | 8 | |||||
| BR | Brazil | A | 22 August 06 | 2 | |||
| A2 | 09 March 10 | 313 | |||||
| B1 | 09 March 10 | 165 | |||||
| U2 | 23 February 10 | 486 | |||||
| CA | Canada | A1 | 27 February 10 | 101 | |||
| C | 16 March 10 | 181 | |||||
| CH | Switzerland | A2 | 15 March 10 | 6 | |||
| B1 | 15 March 10 | 8 | |||||
| CN | China | A | 10 March 10 | 3719 | |||
| C | 27 January 10 | 195 | |||||
| Y | 10 March 10 | 4906 | |||||
| CZ | Czech Republic | A3 | 17 March 10 | 12 | |||
| B6 | 17 March 10 | 7 | |||||
| DE | Germany | A1 | 18 March 10 | 239 | |||
| B3 | 18 March 10 | 2 | |||||
| B4 | 16 July 09 | 1 | |||||
| E | 16 April 09 | 3 | |||||
| T2 | 21 June 07 | 1 | |||||
| U1 | 18 March 10 | 291 | |||||
| DK | Denmark | A | 18 February 10 | 1 | |||
| B | 08 March 10 | 2 | |||||
| EP | European | A | 11 April 84 | 1 | |||
| A1 | 17 March 10 | 330 | |||||
| A2 | 17 March 10 | 191 | |||||
| A3 | 17 March 10 | 7 | |||||
| B1 | 10 March 10 | 3 | |||||
| ES | Spain | A1 | 15 March 10 | 88 | |||
| B1 | 15 March 10 | 120 | |||||
| B2 | 15 March 10 | 15 | |||||
| U | 15 February 10 | 27 | |||||
| FI | Finland | A | 08 February 10 | 11 | |||
| B1 | 15 March 10 | 25 | |||||
| FR | France | A1 | 19 March 10 | 189 | |||
| A3 | 19 March 10 | 5 | |||||
| GB | Great Britain | A | 17 March 10 | 108 | |||
| B | 13 January 10 | 1 | |||||
| IE | Ireland | B | 03 March 10 | 2 | |||
| IN | India | B | 26 February 10 | 356 | |||
| I1 | 26 February 10 | 26 | |||||
| I2 | 05 February 10 | 12 | |||||
| I3 | 26 February 10 | 39 | |||||
| I4 | 26 February 10 | 34 | |||||
| P1 | 26 February 10 | 42 | |||||
| P2 | 26 February 10 | 11 | |||||
| P3 | 26 February 10 | 4 | |||||
| P4 | 26 February 10 | 11 | |||||
| IT | Italy | B | 01 March 10 | 152 | |||
| JP | Japan | A | 18 March 10 | 2745 | |||
| B1 | 17 March 10 | 31 | |||||
| B2 | 17 March 10 | 5 | |||||
| U | 18 March 10 | 25 | |||||
| W | 07 July 05 | 1 | |||||
| KR | Republic of Korea | A | 11 March 10 | 1759 | |||
| B1 | 11 March 10 | 653 | |||||
| U | 11 March 10 | 348 | |||||
| Y1 | 11 March 10 | 14 | |||||
| MX | Mexico | A1 | 30 November 09 | 5 | |||
| A2 | 30 November 09 | 1 | |||||
| NO | Norway | A | 26 February 10 | 9 | |||
| B1 | 15 March 10 | 20 | |||||
| NZ | New Zealand | A | 26 February 10 | 3 | |||
| PT | Portugal | A1 | 25 January 10 | 1 | |||
| RD | Research Disclosure | A | 10 March 10 | 11 | |||
| RO | Romania | B1 | 30 September 09 | 153 | |||
| RU | Russian Federation | C1 | 20 March 10 | 666 | |||
| C2 | 20 March 10 | 359 | |||||
| C9 | 20 March 10 | 3 | |||||
| SE | Sweden | A | 22 February 10 | 16 | |||
| C2 | 16 March 10 | 33 | |||||
| SG | Singapore | A1 | 26 November 09 | 3 | |||
| SK | Slovakia | B6 | 08 March 10 | 2 | |||
| TW | Taiwan | A | 16 October 09 | 73 | |||
| U | 21 August 09 | 2328 | |||||
| US | United States Of America | A | 06 June 00 | 3 | |||
| A1 | 18 March 10 | 2753 | |||||
| A9 | 18 March 10 | 2 | |||||
| B1 | 16 March 10 | 303 | |||||
| B2 | 16 March 10 | 99 | |||||
| C1 | 16 March 10 | 10 | |||||
| WO | Patent Co-operation Treaty | A1 | 18 March 10 | 1295 | |||
| A2 | 18 March 10 | 492 | |||||
| A3 | 18 March 10 | 132 | |||||
| A4 | 18 March 10 | 7 | |||||
| A8 | 18 March 10 | 16 | |||||
| A9 | 18 March 10 | 6 | |||||