Patent Cooperation Treaty (PCT)

The Patent Cooperation Treaty or PCT is an international patent law treaty. The PCT provides a unified procedure for filing patent applications to protect inventions in each of its contracting states.

A patent application filed under the Patent Cooperation Treaty is called an international application, or PCT application. A single filing of an international application is made with a Receiving Office (RO) in one language. It then results in a search performed by an International Searching Authority (ISA), accompanied by a written opinion regarding the patentability of the invention, which is the subject of the application.

The PCT procedure essentially leads to a standard national or regional patent application, which may be granted or rejected according to applicable law, in each jurisdiction in which a patent is desired.

The contracting states which are parties to the PCT, constitute the International Patent Cooperation Union.

PCT CONTRACTING STATES - AFRICA MAP

PCT

PCT CONTRACTING STATES - AFRICA LIST

Algeria - DZ2 - March 2000
Angola - AO - 27 December 2007

Botswana - BW - 30 October 2003
Burkina Faso - BF - 21 March 1989

Cameroon - CM - 24 January 1978
Central African Republic - CF - 24 January 1978
Chad - TD - 24 January 1978
Comoros - KM - 3 April 2005
Congo - CG - 24 January 1978
Côte d’Ivoire - CI - 30 April 1991

Egypt - EG - 6 September 2003
Equatorial Guinea - GQ - 17 July 2001

Gabon - GA - anuary 1978
Gambia - GM - ecember 1997
Ghana - GH - ebruary 1997
Guinea -GN - May 1991
Guinea-Bissau - GW - December 1997

Kenya - KE - 8 June 1994

Lesotho - LS - 21 October 1995
Liberia - LR - 27 August 1994
Libya - LY - 15 September 2005

Madagascar - MG - 24 January 1978
Mali - ML - 19 October 1984
Mauritania - MR - 13 April 1983
Morocco - MA - 8 October 1999
Mozambique - MZ2 - 18 May 2000

Namibia - NA - 1 January 2004
Niger - NE - 21 March 1993
Nigeria - NG - 8 May 2005

Rwanda - RW - 31 August 2011

Senegal - SN - 24 January 1978
Seychelles - SC - 7 November 2002
Sierra Leone - SL - 17 June 1997
South Africa - ZAR - 16 March 1999
Sudan - SD - 16 April 1984
Swaziland - SZ - 20 September 1994

Tunisia - TN2 - 10 December 2001

Uganda - UG - 9 February 1995

Tanzania - TZ - 14 September 1999

Zambia - ZM - 15 November 2001
Zimbabwe - ZW - 11 June 1997

PCT INFORMATION

The Patent Cooperation Treaty
Done at Washington on June 19, 1970
Amended on September 28, 1979
Modified on February 3, 1984, and on October 3, 2001
(as in force from April 1, 2002)

PCT Website
http://www.wipo.int/pct/en/

Patentscope Website
http://www.wipo.int/patentscope/search/en/structuredSearch.jsf

Tel
(+41-22) 338 83 38

Fax
(+41-22) 338 83 39

E-mail
pct.infoline@wipo.int

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