World Intellectual Property Organization

Treaties and Contracting Parties

Contracting Parties  >   Patent Cooperation Treaty > United States of America 

SignatureJune 19, 1970
RatificationNovember 26, 1975
Entry into forceJanuary 24, 1978

Declarations, reservations etc.

Ratification contained a declaration provided for in Article 64(1)(a). This declaration was withdrawn on April 1, 1987, with effect from July 1, 1987.

With the declarations provided for in Articles 64(3)(a) and 64(4)(a).

Territorial information

Extends to all areas for which the United States of America has international responsibility.

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