Patent Cooperation Treaty (PCT) Update

                      Accession by the Sultanate of Oman

   The United States Patent and Trademark Office received
notification from the World Intellectual Property Organization (WIPO)
that the Government of the Sultanate of Oman deposited its instrument
of accession to the PCT on July 26, 2001. The Instrument of accession
contains the declaration that, pursuant ot Article 64(5) of the said
Treaty, the Sultanate of Oman does not consider itself bound by Article
59 of the said Treaty. The Sultanate of Oman will become a Contracting
State of the PCT on October 26, 2001. Consequently, nationals and
residents of Oman are entitled to file international applications under
the PCT on and after October 26, 2001, and from the same date it is
possible to file international applications designating and electing
Oman (country code: OM).

                        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
(110) Ecuador              Accession   07 February 2001   07 May 2001
(111) Equatorial Guinea2   Accession   17 April 2001      17 July 2001
(112) Phillippines         Accession   17 May 2001        17 August 2001
(113) Oman                 Accession   26 July 2001       26 October 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.

August 9, 2001                                           NICHOLAS P. GODICI
                                     Acting Under Secretary of Commerce for
                           Intellectual Property and Acting Director of the
                                  United States Patent and Trademark Office