Patent Cooperation Treaty (PCT) Update Accession by Colombia The United States Patent and Trademark Office received notification from the World Intellectual Property Organization (WIPO) that the Government of Colombia deposited its instrument of accession to the PCT on November 29, 2000. Colombia will become a Contracting State of the PCT on February 28, 2001. Consequently, nationals and residents of Colombia are entitled to file international applications under the PCT on and after February 28, 2001, and from the same date it is possible to file international applications designating and electing Colombia (country code: CO). Listing of PCT Member Countries Date of Deposit Entry into Country Instrument of Instrument Force1 (1) Central African Accession 15 September 1971 24 January 1978 Republic2 (2) Senegal2 Ratification 08 March 1972 24 January 1978 (3) Madagascar Ratification 27 March 1974 24 January 1978 (4) Malawi5 Accession 16 May 1972 24 January 1978 (5) Cameroon2 Accession 15 March 1973 24 January 1978 (6) Chad2 Accession 12 February 1974 24 January 1978 (7) Togo2 Ratification 28 January 1975 24 January 1978 (8) Gabon2 Accession 06 March 1975 24 January 1978 (9) United States of Ratification 26 November 1975 24 January 1978 America (10) Germany3 Ratification 19 July 1976 24 January 1978 (11) Congo2 Accession 08 August 1977 24 January 1978 (12) Switzerland3 Ratification 14 September 1977 24 January 1978 (13) United Kingdom3 Ratification 24 October 1977 24 January 1978 (14) France3 Ratification 25 November 1977 25 February 1978 (15) Russian Ratification 29 December 1977 29 March 1978 Federation6 (16) Brazil Ratification 09 January 1978 09 April 1978 (17) Luxembourg3 Ratification 31 January 1978 30 April 1978 (18) Sweden3 Ratification 17 February 1978 17 May 1978 (19) Japan Ratification 01 July 1978 01 October 1978 (20) Denmark3 Ratification 01 September 1978 01 December 1978 (21) Austria3 Ratification 23 January 1979 23 April 1979 (22) Monaco3 Ratification 22 March 1979 22 June 1979 (23) Netherlands3 Ratification 10 April 1979 10 July 1979 (24) Romania Ratification 23 April 1979 23 July 1979 (25) Norway Ratification 01 October 1979 01 January 1980 (26) Liechtenstein3 Accession 19 December 1979 19 March 1980 (27) Australia Accession 31 December 1979 31 March 1980 (28) Hungary Ratification 27 March 1980 27 June 1980 (29) Democratic People's Accession 08 April 1980 08 July 1980 Republic of Korea (North Korea) (30) Finland Ratification 01 July 1980 01 October 1980 (31) Belgium3 Ratification 14 September 1981 14 December 1981 (32) Sri Lanka Accession 26 November 1981 26 February 1982 (33) Mauritania2 Accession 13 January 1983 13 April 1983 (34) Sudan5 Accession 16 January 1984 16 April 1984 (35) Bulgaria Accession 21 February 1984 21 May 1984 (36) Republic of Korea Accession 10 May 1984 10 August 1984 (South Korea) (37) Mali2 Accession 19 July 1984 19 October 1984 (38) Barbados Accession 12 December 1984 12 March 1985 (39) Italy3 Ratification 28 December 1984 28 March 1985 (40) Benin2 Accession 26 November 1986 26 February 1987 (41) Burkina Faso2 Accession 21 December 1988 21 March 1989 (42) Spain3 Accession 16 August 1989 16 November 1989 (43) Canada Ratification 02 October 1989 02 January 1990 (44) Greece3 Accession 09 July 1990 09 October 1990 (45) Poland Accession 25 September 1990 25 December 1990 (46) Cote d'Ivoire2 Ratification 31 January 1991 30 April 1991 (47) Guinea2 Accession 27 February 1991 27 May 1991 (48) Mongolia Accession 27 February 1991 27 May 1991 (49) Czech Republic Declaration4 18 December 1992 01 January 1993 (50) Ireland3 Ratification 01 May 1992 01 August 1992 (51) Portugal3 Accession 24 August 1992 24 November 1992 (52) New Zealand Accession 01 September 1992 01 December 1992 (53) Ukraine Declaration4 21 September 1992 25 December 1991 (54) Viet Nam Accession 10 December 1992 10 March 1993 (55) Slovakia Declaration4 30 December 1992 01 January 1993 (56) Niger2 Accession 21 December 1992 21 March 1993 (57) Kazakstan6 Declaration4 16 February 1993 25 December 1991 (58) Belarus6 Declaration4 14 April 1993 25 December 1991 (59) Latvia Accession 07 June 1993 07 September 1993 (60) Uzbekistan Declaration4 18 August 1993 25 December 1991 (61) China Accession 01 October 1993 01 January 1994 (62) Slovenia Accession 01 December 1993 01 March 1994 (63) Trinidad and Tobago Accession 10 December 1993 10 March 1994 (64) Georgia Declaration4 18 January 1994 25 December 1991 (65) Kyrgyzstan6 Declaration4 14 February 1994 25 December 1991 (66) Republic of Declaration4 14 February 1994 25 December 1991 Moldova6 (67) Tajikistan Declaration4 14 February 1994 25 December 1991 (68) Kenya5 Accession 08 March 1994 08 June 1994 (69) Lithuania Accession 05 April 1994 05 July 1994 (70) Armenia6 Declaration4 17 May 1994 25 December 1991 (71) Estonia Accession 24 May 1994 24 August 1994 (72) Liberia Accession 27 May 1994 27 August 1994 (73) Swaziland5 Accession 20 June 1994 20 September 1994 (74) Mexico Accession 01 October 1994 01 January 1995 (75) Uganda5 Accession 09 November 1994 09 February 1995 (76) Singapore Accession 23 November 1994 23 February 1995 (77) Iceland Accession 23 December 1994 23 March 1995 (78) Turkmenistan6 Declaration4 01 March 1995 25 December 1991 (79) The former Yugoslav Accession 10 May 1995 10 August 1995 Republic of Macedonia (80) Albania Accession 04 July 1995 04 October 1995 (81) Lesotho5 Accession 21 July 1995 21 October 1995 (82) Azerbaijan6 Accession 25 September 1995 25 December 1995 (83) Turkey Accession 01 October 1995 01 January 1996 (84) Israel Ratification 01 March 1996 01 June 1996 (85) Cuba Accession 16 April 1996 16 July 1996 (86) Saint Lucia Accession 30 May 1996 30 August 1996 (87) Bosnia and Accession 07 June 1996 07 September 1996 Herzegovina (88) Federal Republic Ratification 01 November 1996 01 February 1997 of Yugoslavia7 (89) Ghana5 Accession 26 November 1996 26 February 1997 (90) Zimbabwe5 Accession 11 March 1997 11 June 1997 (91) Sierra Leone Accession 17 March 1997 17 June 1997 (92) Indonesia Accession 05 June 1997 05 September 1997 (93) Gambia5 Accession 09 September 1997 09 December 1997 (94) Guinea-Bissau Accession 12 September 1997 12 December 1997 (95) Cyprus Accession 01 January 1998 01 April 1998 (96) Croatia Accession 01 April 1998 01 July 1998 (97) Grenada Accession 22 June 1998 22 September 1998 (98) India Accession 07 September 1998 07 December 1998 (99) United Arab Emirates Accession 10 December 1998 10 March 1999 (100) South Africa Accession 16 December 1998 16 March 1999 (101) Republic of Accession 03 May 1999 03 August 1999 Costa Rica (102) Dominica Accession 07 May 1999 07 August 1999 (103) United Republic of Accession 14 June 1999 14 September 1999 Tanzania (104) Morrocco Accession 08 July 1999 08 October 1999 (105) Algeria Ratification 08 December 1999 08 March 2000 (106) Antigua and Accession 17 December 1999 17 March 2000 Barbuda (107) Mozambique Accession 18 February 2000 18 May 2000 (108) Belize Accession 17 March 2000 17 June 2000 (109) Colombia Accession 29 November 2000 28 February 2001 1 Although the PCT entered into force on January 24, 1978, the Assembly of the PCT Union fixed June 1, 1978, as the date from which international applications could be filed and demands for international preliminary examination could be submitted. 2 Member of African Intellectual Property Organization (OAPI) regional patent system. 3 Member of European Patent Convention (EPC) regional patent system. 4 Declaration of continued application. 5 Member of African Regional Industrial Property Organization (ARIPO) regional patent system. 6 Member of Eurasian Patent Organization (EAPO) regional patent system. 7 The Federal Republic of Yugoslavia is comprised of the Republics of Serbia and Montenegro. The World Intellectual Property Organization has utilized the two-letter code "YU" to refer to the Federal Republic of Yugoslavia becoming a party to the Patent Cooperation Treaty. The United States understands that the scope of the territory covered by the designation encompasses only the Republics of Serbia and Montenegro. February 20, 2001 NICHOLAS P. GODICI Acting Under Secretary of Commerce for Intellectual Property and Acting Director of the United States Patent and Trademark Office