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Derwent Country Coverage / Year of Inclusion

This table lists the countries covered in Derwent Innovations Index, its two-character abbreviation (that is, the WIPO country code), and the initial year of coverage.

Country/Abbreviation

Initial Year of Coverage

Argentina (AR)

1974-1976 only

Australia (AU)

1983 (also 1963-1969)

Austria (AT)

1975

Belgium (BE)

1963

Brazil (BR)

1976

Canada (CA)

1963

China (CN)

1987

Czech Republic (CZ)

1994

Czechoslovakia (CS)

1975-1994

Denmark (DK)

1974

European Patents (EP)

1978

Finland (FI)

1974

France (FR)

1963

Germany (East) (DD)

1963

Germany (DE)

1963

Hungary (HU)

1975

India (IN)

2004

International Technology Disclosures (TP)

1984-1993

Ireland (IE)

1963-1969; 1995

Israel (IL)

1975

Italy (IT)

1966-1969 (section A subjects only);
1978

Japan (JP)

1963

Korea (KR) (South)

1986

Luxembourg (LU)

1984

Mexico (MX)

1997

Netherlands (NL)

1963

New Zealand (NZ)

1993

Norway (NO)

1974

Patent Cooperation Treaty (WO)

1978

Philippines (PH)

1995

Portugal (PT)

1974

Research Disclosure (RD)

1978

Romania (RO)

1975

Russian Federation (RU)

1994 (Russia)

Singapore (SG)

1995

Slovakia (SK)

1994

South Africa (ZA)

1963

Soviet Union (SU)

1963-1994

Spain (ES)

1983

Sweden (SE)

1974

Switzerland (CH)

1963

Taiwan (TW)

1993

United Kingdom (GB)

1963

United States (US)

1963

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Did You Know ...

The initial year of coverage refers to when the first patents covered for a particular country were published.

Did You Also Know ...

Coverage of Research Disclosure (RD) patent records in the Derwent Innovations Index database ranges from October 1, 1978 to March 10, 2001.